Merge remote-tracking branch 'regulator/topic/max8997' into regulator-next
diff --git a/CREDITS b/CREDITS
index d8fe12a..2346b09 100644
--- a/CREDITS
+++ b/CREDITS
@@ -1823,6 +1823,11 @@
S: D-64295
S: Germany
+N: Avi Kivity
+E: avi.kivity@gmail.com
+D: Kernel-based Virtual Machine (KVM)
+S: Ra'annana, Israel
+
N: Andi Kleen
E: andi@firstfloor.org
U: http://www.halobates.de
diff --git a/Documentation/devicetree/bindings/net/mdio-gpio.txt b/Documentation/devicetree/bindings/net/mdio-gpio.txt
index bc954952..c79bab0 100644
--- a/Documentation/devicetree/bindings/net/mdio-gpio.txt
+++ b/Documentation/devicetree/bindings/net/mdio-gpio.txt
@@ -8,9 +8,16 @@
MDC, MDIO.
+Note: Each gpio-mdio bus should have an alias correctly numbered in "aliases"
+node.
+
Example:
-mdio {
+aliases {
+ mdio-gpio0 = <&mdio0>;
+};
+
+mdio0: mdio {
compatible = "virtual,mdio-gpio";
#address-cells = <1>;
#size-cells = <0>;
diff --git a/Documentation/networking/vxlan.txt b/Documentation/networking/vxlan.txt
index 5b34b76..6d99351 100644
--- a/Documentation/networking/vxlan.txt
+++ b/Documentation/networking/vxlan.txt
@@ -32,7 +32,7 @@
# ip link delete vxlan0
3. Show vxlan info
- # ip -d show vxlan0
+ # ip -d link show vxlan0
It is possible to create, destroy and display the vxlan
forwarding table using the new bridge command.
@@ -41,7 +41,7 @@
# bridge fdb add to 00:17:42:8a:b4:05 dst 192.19.0.2 dev vxlan0
2. Delete forwarding table entry
- # bridge fdb delete 00:17:42:8a:b4:05
+ # bridge fdb delete 00:17:42:8a:b4:05 dev vxlan0
3. Show forwarding table
# bridge fdb show dev vxlan0
diff --git a/MAINTAINERS b/MAINTAINERS
index bb0b27d..9386a63 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -526,17 +526,17 @@
F: arch/x86/include/asm/geode.h
AMD IOMMU (AMD-VI)
-M: Joerg Roedel <joerg.roedel@amd.com>
+M: Joerg Roedel <joro@8bytes.org>
L: iommu@lists.linux-foundation.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
-S: Supported
+S: Maintained
F: drivers/iommu/amd_iommu*.[ch]
F: include/linux/amd-iommu.h
AMD MICROCODE UPDATE SUPPORT
-M: Andreas Herrmann <andreas.herrmann3@amd.com>
+M: Andreas Herrmann <herrmann.der.user@googlemail.com>
L: amd64-microcode@amd64.org
-S: Supported
+S: Maintained
F: arch/x86/kernel/microcode_amd.c
AMS (Apple Motion Sensor) DRIVER
@@ -841,6 +841,14 @@
F: arch/arm/mach-sa1100/jornada720.c
F: arch/arm/mach-sa1100/include/mach/jornada720.h
+ARM/IGEP MACHINE SUPPORT
+M: Enric Balletbo i Serra <eballetbo@gmail.com>
+M: Javier Martinez Canillas <javier@dowhile0.org>
+L: linux-omap@vger.kernel.org
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: arch/arm/mach-omap2/board-igep0020.c
+
ARM/INCOME PXA270 SUPPORT
M: Marek Vasut <marek.vasut@gmail.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -2708,10 +2716,10 @@
EDAC-AMD64
M: Doug Thompson <dougthompson@xmission.com>
-M: Borislav Petkov <borislav.petkov@amd.com>
+M: Borislav Petkov <bp@alien8.de>
L: linux-edac@vger.kernel.org
W: bluesmoke.sourceforge.net
-S: Supported
+S: Maintained
F: drivers/edac/amd64_edac*
EDAC-E752X
@@ -3753,7 +3761,7 @@
F: drivers/platform/x86/ideapad-laptop.c
IDE/ATAPI DRIVERS
-M: Borislav Petkov <petkovbb@gmail.com>
+M: Borislav Petkov <bp@alien8.de>
L: linux-ide@vger.kernel.org
S: Maintained
F: Documentation/cdrom/ide-cd
@@ -4280,8 +4288,8 @@
F: include/linux/sunrpc/
KERNEL VIRTUAL MACHINE (KVM)
-M: Avi Kivity <avi@redhat.com>
M: Marcelo Tosatti <mtosatti@redhat.com>
+M: Gleb Natapov <gleb@redhat.com>
L: kvm@vger.kernel.org
W: http://kvm.qumranet.com
S: Supported
@@ -5413,7 +5421,7 @@
F: sound/drivers/opl4/
OPROFILE
-M: Robert Richter <robert.richter@amd.com>
+M: Robert Richter <rric@kernel.org>
L: oprofile-list@lists.sf.net
S: Maintained
F: arch/*/include/asm/oprofile*.h
@@ -8198,7 +8206,7 @@
X86 MCE INFRASTRUCTURE
M: Tony Luck <tony.luck@intel.com>
-M: Borislav Petkov <bp@amd64.org>
+M: Borislav Petkov <bp@alien8.de>
L: linux-edac@vger.kernel.org
S: Maintained
F: arch/x86/kernel/cpu/mcheck/*
diff --git a/Makefile b/Makefile
index 9f6ca12..3d2fc46 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 7
SUBLEVEL = 0
-EXTRAVERSION = -rc6
+EXTRAVERSION = -rc7
NAME = Terrified Chipmunk
# *DOCUMENTATION*
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 1e6956a..14db93e 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -445,7 +445,7 @@
* unhappy with OSF UFS. [CHECKME]
*/
static int
-osf_ufs_mount(char *dirname, struct ufs_args __user *args, int flags)
+osf_ufs_mount(const char *dirname, struct ufs_args __user *args, int flags)
{
int retval;
struct cdfs_args tmp;
@@ -465,7 +465,7 @@
}
static int
-osf_cdfs_mount(char *dirname, struct cdfs_args __user *args, int flags)
+osf_cdfs_mount(const char *dirname, struct cdfs_args __user *args, int flags)
{
int retval;
struct cdfs_args tmp;
@@ -485,7 +485,7 @@
}
static int
-osf_procfs_mount(char *dirname, struct procfs_args __user *args, int flags)
+osf_procfs_mount(const char *dirname, struct procfs_args __user *args, int flags)
{
struct procfs_args tmp;
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index cd0c8b1..14e9947 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -713,8 +713,7 @@
break;
case VPBE_ENC_CUSTOM_TIMINGS:
if (pclock <= 27000000) {
- v |= DM644X_VPSS_MUXSEL_PLL2_MODE |
- DM644X_VPSS_DACCLKEN;
+ v |= DM644X_VPSS_DACCLKEN;
writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
} else {
/*
diff --git a/arch/arm/mach-exynos/dma.c b/arch/arm/mach-exynos/dma.c
index 21d568b..87e07d6 100644
--- a/arch/arm/mach-exynos/dma.c
+++ b/arch/arm/mach-exynos/dma.c
@@ -275,6 +275,9 @@
exynos_pdma1_pdata.nr_valid_peri =
ARRAY_SIZE(exynos4210_pdma1_peri);
exynos_pdma1_pdata.peri_id = exynos4210_pdma1_peri;
+
+ if (samsung_rev() == EXYNOS4210_REV_0)
+ exynos_mdma1_device.res.start = EXYNOS4_PA_S_MDMA1;
} else if (soc_is_exynos4212() || soc_is_exynos4412()) {
exynos_pdma0_pdata.nr_valid_peri =
ARRAY_SIZE(exynos4212_pdma0_peri);
diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
index 8480849..ed4da45 100644
--- a/arch/arm/mach-exynos/include/mach/map.h
+++ b/arch/arm/mach-exynos/include/mach/map.h
@@ -90,6 +90,7 @@
#define EXYNOS4_PA_MDMA0 0x10810000
#define EXYNOS4_PA_MDMA1 0x12850000
+#define EXYNOS4_PA_S_MDMA1 0x12840000
#define EXYNOS4_PA_PDMA0 0x12680000
#define EXYNOS4_PA_PDMA1 0x12690000
#define EXYNOS5_PA_MDMA0 0x10800000
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index 48d5e41..3785906 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -580,6 +580,11 @@
} else
return;
+ /* Make sure that the GPIO pins are muxed correctly */
+ omap_mux_init_gpio(igep_wlan_bt_gpios[0].gpio, OMAP_PIN_OUTPUT);
+ omap_mux_init_gpio(igep_wlan_bt_gpios[1].gpio, OMAP_PIN_OUTPUT);
+ omap_mux_init_gpio(igep_wlan_bt_gpios[2].gpio, OMAP_PIN_OUTPUT);
+
err = gpio_request_array(igep_wlan_bt_gpios,
ARRAY_SIZE(igep_wlan_bt_gpios));
if (err) {
diff --git a/arch/arm/mach-omap2/common-board-devices.c b/arch/arm/mach-omap2/common-board-devices.c
index 48daac2..84551f2 100644
--- a/arch/arm/mach-omap2/common-board-devices.c
+++ b/arch/arm/mach-omap2/common-board-devices.c
@@ -64,30 +64,36 @@
struct spi_board_info *spi_bi = &ads7846_spi_board_info;
int err;
- err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown");
- if (err) {
- pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err);
- return;
- }
+ /*
+ * If a board defines get_pendown_state() function, request the pendown
+ * GPIO and set the GPIO debounce time.
+ * If a board does not define the get_pendown_state() function, then
+ * the ads7846 driver will setup the pendown GPIO itself.
+ */
+ if (board_pdata && board_pdata->get_pendown_state) {
+ err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown");
+ if (err) {
+ pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err);
+ return;
+ }
- if (gpio_debounce)
- gpio_set_debounce(gpio_pendown, gpio_debounce);
+ if (gpio_debounce)
+ gpio_set_debounce(gpio_pendown, gpio_debounce);
+
+ gpio_export(gpio_pendown, 0);
+ }
spi_bi->bus_num = bus_num;
spi_bi->irq = gpio_to_irq(gpio_pendown);
+ ads7846_config.gpio_pendown = gpio_pendown;
+
if (board_pdata) {
board_pdata->gpio_pendown = gpio_pendown;
+ board_pdata->gpio_pendown_debounce = gpio_debounce;
spi_bi->platform_data = board_pdata;
- if (board_pdata->get_pendown_state)
- gpio_export(gpio_pendown, 0);
- } else {
- ads7846_config.gpio_pendown = gpio_pendown;
}
- if (!board_pdata || (board_pdata && !board_pdata->get_pendown_state))
- gpio_free(gpio_pendown);
-
spi_register_board_info(&ads7846_spi_board_info, 1);
}
#else
diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c
index 44c4205..a256135 100644
--- a/arch/arm/mach-omap2/twl-common.c
+++ b/arch/arm/mach-omap2/twl-common.c
@@ -73,6 +73,7 @@
{
/* PMIC part*/
omap_mux_init_signal("sys_nirq1", OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE);
+ omap_mux_init_signal("fref_clk0_out.sys_drm_msecure", OMAP_PIN_OUTPUT);
omap_pmic_init(1, 400, pmic_type, 7 + OMAP44XX_IRQ_GIC_START, pmic_data);
/* Register additional devices on i2c1 bus if needed */
diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index a5683a8..6013831 100644
--- a/arch/arm/plat-omap/i2c.c
+++ b/arch/arm/plat-omap/i2c.c
@@ -26,12 +26,14 @@
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
+#include <linux/i2c-omap.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <mach/irqs.h>
#include <plat/i2c.h>
+#include <plat/omap-pm.h>
#include <plat/omap_device.h>
#define OMAP_I2C_SIZE 0x3f
@@ -127,6 +129,16 @@
#ifdef CONFIG_ARCH_OMAP2PLUS
+/*
+ * XXX This function is a temporary compatibility wrapper - only
+ * needed until the I2C driver can be converted to call
+ * omap_pm_set_max_dev_wakeup_lat() and handle a return code.
+ */
+static void omap_pm_set_max_mpu_wakeup_lat_compat(struct device *dev, long t)
+{
+ omap_pm_set_max_mpu_wakeup_lat(dev, t);
+}
+
static inline int omap2_i2c_add_bus(int bus_id)
{
int l;
@@ -158,6 +170,15 @@
dev_attr = (struct omap_i2c_dev_attr *)oh->dev_attr;
pdata->flags = dev_attr->flags;
+ /*
+ * When waiting for completion of a i2c transfer, we need to
+ * set a wake up latency constraint for the MPU. This is to
+ * ensure quick enough wakeup from idle, when transfer
+ * completes.
+ * Only omap3 has support for constraints
+ */
+ if (cpu_is_omap34xx())
+ pdata->set_mpu_wkup_lat = omap_pm_set_max_mpu_wakeup_lat_compat;
pdev = omap_device_build(name, bus_id, oh, pdata,
sizeof(struct omap_i2c_bus_platform_data),
NULL, 0, 0);
diff --git a/arch/m68k/include/asm/signal.h b/arch/m68k/include/asm/signal.h
index 67e489d..2df26b5 100644
--- a/arch/m68k/include/asm/signal.h
+++ b/arch/m68k/include/asm/signal.h
@@ -41,7 +41,7 @@
static inline void sigaddset(sigset_t *set, int _sig)
{
asm ("bfset %0{%1,#1}"
- : "+od" (*set)
+ : "+o" (*set)
: "id" ((_sig - 1) ^ 31)
: "cc");
}
@@ -49,7 +49,7 @@
static inline void sigdelset(sigset_t *set, int _sig)
{
asm ("bfclr %0{%1,#1}"
- : "+od" (*set)
+ : "+o" (*set)
: "id" ((_sig - 1) ^ 31)
: "cc");
}
@@ -65,7 +65,7 @@
int ret;
asm ("bfextu %1{%2,#1},%0"
: "=d" (ret)
- : "od" (*set), "id" ((_sig-1) ^ 31)
+ : "o" (*set), "id" ((_sig-1) ^ 31)
: "cc");
return ret;
}
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index a53f8ec..290dc6a 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -79,7 +79,7 @@
void __init add_memory_region(phys_t start, phys_t size, long type)
{
int x = boot_mem_map.nr_map;
- struct boot_mem_map_entry *prev = boot_mem_map.map + x - 1;
+ int i;
/* Sanity check */
if (start + size < start) {
@@ -88,15 +88,29 @@
}
/*
- * Try to merge with previous entry if any. This is far less than
- * perfect but is sufficient for most real world cases.
+ * Try to merge with existing entry, if any.
*/
- if (x && prev->addr + prev->size == start && prev->type == type) {
- prev->size += size;
+ for (i = 0; i < boot_mem_map.nr_map; i++) {
+ struct boot_mem_map_entry *entry = boot_mem_map.map + i;
+ unsigned long top;
+
+ if (entry->type != type)
+ continue;
+
+ if (start + size < entry->addr)
+ continue; /* no overlap */
+
+ if (entry->addr + entry->size < start)
+ continue; /* no overlap */
+
+ top = max(entry->addr + entry->size, start + size);
+ entry->addr = min(entry->addr, start);
+ entry->size = top - entry->addr;
+
return;
}
- if (x == BOOT_MEM_MAP_MAX) {
+ if (boot_mem_map.nr_map == BOOT_MEM_MAP_MAX) {
pr_err("Ooops! Too many entries in the memory map!\n");
return;
}
diff --git a/arch/mips/lib/mips-atomic.c b/arch/mips/lib/mips-atomic.c
index e091430..cd160be 100644
--- a/arch/mips/lib/mips-atomic.c
+++ b/arch/mips/lib/mips-atomic.c
@@ -56,7 +56,7 @@
" .set pop \n"
" .endm \n");
-void arch_local_irq_disable(void)
+notrace void arch_local_irq_disable(void)
{
preempt_disable();
__asm__ __volatile__(
@@ -93,7 +93,7 @@
" .set pop \n"
" .endm \n");
-unsigned long arch_local_irq_save(void)
+notrace unsigned long arch_local_irq_save(void)
{
unsigned long flags;
preempt_disable();
@@ -135,7 +135,7 @@
" .set pop \n"
" .endm \n");
-void arch_local_irq_restore(unsigned long flags)
+notrace void arch_local_irq_restore(unsigned long flags)
{
unsigned long __tmp1;
@@ -159,7 +159,7 @@
EXPORT_SYMBOL(arch_local_irq_restore);
-void __arch_local_irq_restore(unsigned long flags)
+notrace void __arch_local_irq_restore(unsigned long flags)
{
unsigned long __tmp1;
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index fd49aed..5dede04 100644
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -65,7 +65,8 @@
{
compat_sigset_t s;
- if (sz != sizeof *set) panic("put_sigset32()");
+ if (sz != sizeof *set)
+ return -EINVAL;
sigset_64to32(&s, set);
return copy_to_user(up, &s, sizeof s);
@@ -77,7 +78,8 @@
compat_sigset_t s;
int r;
- if (sz != sizeof *set) panic("put_sigset32()");
+ if (sz != sizeof *set)
+ return -EINVAL;
if ((r = copy_from_user(&s, up, sz)) == 0) {
sigset_32to64(set, &s);
diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index 7426e40..f76c108 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -73,6 +73,8 @@
struct vm_area_struct *vma;
int offset = mapping ? get_offset(mapping) : 0;
+ offset = (offset + (pgoff << PAGE_SHIFT)) & 0x3FF000;
+
addr = DCACHE_ALIGN(addr - offset) + offset;
for (vma = find_vma(current->mm, addr); ; vma = vma->vm_next) {
diff --git a/arch/powerpc/boot/dts/mpc5200b.dtsi b/arch/powerpc/boot/dts/mpc5200b.dtsi
index 7ab286a..39ed65a 100644
--- a/arch/powerpc/boot/dts/mpc5200b.dtsi
+++ b/arch/powerpc/boot/dts/mpc5200b.dtsi
@@ -231,6 +231,12 @@
interrupts = <2 7 0>;
};
+ sclpc@3c00 {
+ compatible = "fsl,mpc5200-lpbfifo";
+ reg = <0x3c00 0x60>;
+ interrupts = <2 23 0>;
+ };
+
i2c@3d00 {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/powerpc/boot/dts/o2d.dtsi b/arch/powerpc/boot/dts/o2d.dtsi
index 3444eb8..24f6680 100644
--- a/arch/powerpc/boot/dts/o2d.dtsi
+++ b/arch/powerpc/boot/dts/o2d.dtsi
@@ -86,12 +86,6 @@
reg = <0>;
};
};
-
- sclpc@3c00 {
- compatible = "fsl,mpc5200-lpbfifo";
- reg = <0x3c00 0x60>;
- interrupts = <3 23 0>;
- };
};
localbus {
diff --git a/arch/powerpc/boot/dts/pcm030.dts b/arch/powerpc/boot/dts/pcm030.dts
index 9e35499..96512c0 100644
--- a/arch/powerpc/boot/dts/pcm030.dts
+++ b/arch/powerpc/boot/dts/pcm030.dts
@@ -59,7 +59,7 @@
#gpio-cells = <2>;
};
- psc@2000 { /* PSC1 in ac97 mode */
+ audioplatform: psc@2000 { /* PSC1 in ac97 mode */
compatible = "mpc5200b-psc-ac97","fsl,mpc5200b-psc-ac97";
cell-index = <0>;
};
@@ -134,4 +134,9 @@
localbus {
status = "disabled";
};
+
+ sound {
+ compatible = "phytec,pcm030-audio-fabric";
+ asoc-platform = <&audioplatform>;
+ };
};
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
index 8520b58..b89ef65 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
@@ -372,10 +372,11 @@
case MPC52xx_IRQ_L1_MAIN: irqchip = &mpc52xx_main_irqchip; break;
case MPC52xx_IRQ_L1_PERP: irqchip = &mpc52xx_periph_irqchip; break;
case MPC52xx_IRQ_L1_SDMA: irqchip = &mpc52xx_sdma_irqchip; break;
- default:
- pr_err("%s: invalid irq: virq=%i, l1=%i, l2=%i\n",
- __func__, virq, l1irq, l2irq);
- return -EINVAL;
+ case MPC52xx_IRQ_L1_CRIT:
+ pr_warn("%s: Critical IRQ #%d is unsupported! Nopping it.\n",
+ __func__, l2irq);
+ irq_set_chip(virq, &no_irq_chip);
+ return 0;
}
irq_set_chip_and_handler(virq, irqchip, handle_level_irq);
diff --git a/arch/powerpc/platforms/pseries/eeh_pe.c b/arch/powerpc/platforms/pseries/eeh_pe.c
index 797cd18..d16c8de 100644
--- a/arch/powerpc/platforms/pseries/eeh_pe.c
+++ b/arch/powerpc/platforms/pseries/eeh_pe.c
@@ -449,7 +449,7 @@
if (list_empty(&pe->edevs)) {
cnt = 0;
list_for_each_entry(child, &pe->child_list, child) {
- if (!(pe->type & EEH_PE_INVALID)) {
+ if (!(child->type & EEH_PE_INVALID)) {
cnt++;
break;
}
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index d19f497..e5b0847 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -220,7 +220,8 @@
/* Get the top level device in the PE */
edev = of_node_to_eeh_dev(dn);
- edev = list_first_entry(&edev->pe->edevs, struct eeh_dev, list);
+ if (edev->pe)
+ edev = list_first_entry(&edev->pe->edevs, struct eeh_dev, list);
dn = eeh_dev_to_of_node(edev);
if (!dn)
return NULL;
diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h
index f930031..67c6257 100644
--- a/arch/sparc/include/asm/prom.h
+++ b/arch/sparc/include/asm/prom.h
@@ -63,10 +63,13 @@
extern void irq_trans_init(struct device_node *dp);
extern char *build_path_component(struct device_node *dp);
-/* SPARC has a local implementation */
+/* SPARC has local implementations */
extern int of_address_to_resource(struct device_node *dev, int index,
struct resource *r);
#define of_address_to_resource of_address_to_resource
+void __iomem *of_iomap(struct device_node *node, int index);
+#define of_iomap of_iomap
+
#endif /* __KERNEL__ */
#endif /* _SPARC_PROM_H */
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 867de2f..689e1ba 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -295,9 +295,7 @@
err |= restore_fpu_state(regs, fpu_save);
err |= __copy_from_user(&set, &sf->mask, sizeof(sigset_t));
- err |= do_sigaltstack(&sf->stack, NULL, (unsigned long)sf);
-
- if (err)
+ if (err || do_sigaltstack(&sf->stack, NULL, (unsigned long)sf) == -EFAULT)
goto segv;
err |= __get_user(rwin_save, &sf->rwin_save);
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index c760e07..e87b0ca 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -12,6 +12,8 @@
#include <asm/setup.h>
#include <asm/desc.h>
+#undef memcpy /* Use memcpy from misc.c */
+
#include "eboot.h"
static efi_system_table_t *sys_table;
diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
index 2a01744..8c132a6 100644
--- a/arch/x86/boot/header.S
+++ b/arch/x86/boot/header.S
@@ -476,6 +476,3 @@
setup_corrupt:
.byte 7
.string "No setup signature found...\n"
-
- .data
-dummy: .long 0
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index dcfde52..19f16eb 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -205,21 +205,14 @@
}
#endif
-/*
- * X86_32 CPUs don't save ss and esp if the CPU is already in kernel mode
- * when it traps. The previous stack will be directly underneath the saved
- * registers, and 'sp/ss' won't even have been saved. Thus the '®s->sp'.
- *
- * This is valid only for kernel mode traps.
- */
+#ifdef CONFIG_X86_32
+extern unsigned long kernel_stack_pointer(struct pt_regs *regs);
+#else
static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
{
-#ifdef CONFIG_X86_32
- return (unsigned long)(®s->sp);
-#else
return regs->sp;
-#endif
}
+#endif
#define GET_IP(regs) ((regs)->ip)
#define GET_FP(regs) ((regs)->bp)
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index f7e98a2..1b7d165 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -631,6 +631,20 @@
}
}
+ /*
+ * The way access filter has a performance penalty on some workloads.
+ * Disable it on the affected CPUs.
+ */
+ if ((c->x86 == 0x15) &&
+ (c->x86_model >= 0x02) && (c->x86_model < 0x20)) {
+ u64 val;
+
+ if (!rdmsrl_safe(0xc0011021, &val) && !(val & 0x1E)) {
+ val |= 0x1E;
+ wrmsrl_safe(0xc0011021, val);
+ }
+ }
+
cpu_detect_cache_sizes(c);
/* Multi core CPU? */
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index 698b6ec..1ac581f 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -6,7 +6,7 @@
*
* Written by Jacob Shin - AMD, Inc.
*
- * Support: borislav.petkov@amd.com
+ * Maintained by: Borislav Petkov <bp@alien8.de>
*
* April 2006
* - added support for AMD Family 0x10 processors
diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel.c b/arch/x86/kernel/cpu/mcheck/mce_intel.c
index 5f88abf..4f9a3cb 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_intel.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_intel.c
@@ -285,34 +285,39 @@
raw_spin_unlock_irqrestore(&cmci_discover_lock, flags);
}
+static long cmci_rediscover_work_func(void *arg)
+{
+ int banks;
+
+ /* Recheck banks in case CPUs don't all have the same */
+ if (cmci_supported(&banks))
+ cmci_discover(banks);
+
+ return 0;
+}
+
/*
* After a CPU went down cycle through all the others and rediscover
* Must run in process context.
*/
void cmci_rediscover(int dying)
{
- int banks;
- int cpu;
- cpumask_var_t old;
+ int cpu, banks;
if (!cmci_supported(&banks))
return;
- if (!alloc_cpumask_var(&old, GFP_KERNEL))
- return;
- cpumask_copy(old, ¤t->cpus_allowed);
for_each_online_cpu(cpu) {
if (cpu == dying)
continue;
- if (set_cpus_allowed_ptr(current, cpumask_of(cpu)))
- continue;
- /* Recheck banks in case CPUs don't all have the same */
- if (cmci_supported(&banks))
- cmci_discover(banks);
- }
- set_cpus_allowed_ptr(current, old);
- free_cpumask_var(old);
+ if (cpu == smp_processor_id()) {
+ cmci_rediscover_work_func(NULL);
+ continue;
+ }
+
+ work_on_cpu(cpu, cmci_rediscover_work_func, NULL);
+ }
}
/*
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index b51b2c7..1328fe4 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -995,8 +995,8 @@
*/
.p2align CONFIG_X86_L1_CACHE_SHIFT
common_interrupt:
- ASM_CLAC
XCPT_FRAME
+ ASM_CLAC
addq $-0x80,(%rsp) /* Adjust vector to [-256,-1] range */
interrupt do_IRQ
/* 0(%rsp): old_rsp-ARGOFFSET */
@@ -1135,8 +1135,8 @@
*/
.macro apicinterrupt num sym do_sym
ENTRY(\sym)
- ASM_CLAC
INTR_FRAME
+ ASM_CLAC
pushq_cfi $~(\num)
.Lcommon_\sym:
interrupt \do_sym
@@ -1190,8 +1190,8 @@
*/
.macro zeroentry sym do_sym
ENTRY(\sym)
- ASM_CLAC
INTR_FRAME
+ ASM_CLAC
PARAVIRT_ADJUST_EXCEPTION_FRAME
pushq_cfi $-1 /* ORIG_RAX: no syscall to restart */
subq $ORIG_RAX-R15, %rsp
@@ -1208,8 +1208,8 @@
.macro paranoidzeroentry sym do_sym
ENTRY(\sym)
- ASM_CLAC
INTR_FRAME
+ ASM_CLAC
PARAVIRT_ADJUST_EXCEPTION_FRAME
pushq_cfi $-1 /* ORIG_RAX: no syscall to restart */
subq $ORIG_RAX-R15, %rsp
@@ -1227,8 +1227,8 @@
#define INIT_TSS_IST(x) PER_CPU_VAR(init_tss) + (TSS_ist + ((x) - 1) * 8)
.macro paranoidzeroentry_ist sym do_sym ist
ENTRY(\sym)
- ASM_CLAC
INTR_FRAME
+ ASM_CLAC
PARAVIRT_ADJUST_EXCEPTION_FRAME
pushq_cfi $-1 /* ORIG_RAX: no syscall to restart */
subq $ORIG_RAX-R15, %rsp
@@ -1247,8 +1247,8 @@
.macro errorentry sym do_sym
ENTRY(\sym)
- ASM_CLAC
XCPT_FRAME
+ ASM_CLAC
PARAVIRT_ADJUST_EXCEPTION_FRAME
subq $ORIG_RAX-R15, %rsp
CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15
@@ -1266,8 +1266,8 @@
/* error code is on the stack already */
.macro paranoiderrorentry sym do_sym
ENTRY(\sym)
- ASM_CLAC
XCPT_FRAME
+ ASM_CLAC
PARAVIRT_ADJUST_EXCEPTION_FRAME
subq $ORIG_RAX-R15, %rsp
CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 7720ff5..efdec7c 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -8,8 +8,8 @@
* Tigran Aivazian <tigran@aivazian.fsnet.co.uk>
*
* Maintainers:
- * Andreas Herrmann <andreas.herrmann3@amd.com>
- * Borislav Petkov <borislav.petkov@amd.com>
+ * Andreas Herrmann <herrmann.der.user@googlemail.com>
+ * Borislav Petkov <bp@alien8.de>
*
* This driver allows to upgrade microcode on F10h AMD
* CPUs and later.
@@ -190,6 +190,7 @@
#define F1XH_MPB_MAX_SIZE 2048
#define F14H_MPB_MAX_SIZE 1824
#define F15H_MPB_MAX_SIZE 4096
+#define F16H_MPB_MAX_SIZE 3458
switch (c->x86) {
case 0x14:
@@ -198,6 +199,9 @@
case 0x15:
max_size = F15H_MPB_MAX_SIZE;
break;
+ case 0x16:
+ max_size = F16H_MPB_MAX_SIZE;
+ break;
default:
max_size = F1XH_MPB_MAX_SIZE;
break;
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index b00b33a..5e0596b 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -22,6 +22,7 @@
#include <linux/perf_event.h>
#include <linux/hw_breakpoint.h>
#include <linux/rcupdate.h>
+#include <linux/module.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
@@ -166,6 +167,35 @@
#define FLAG_MASK FLAG_MASK_32
+/*
+ * X86_32 CPUs don't save ss and esp if the CPU is already in kernel mode
+ * when it traps. The previous stack will be directly underneath the saved
+ * registers, and 'sp/ss' won't even have been saved. Thus the '®s->sp'.
+ *
+ * Now, if the stack is empty, '®s->sp' is out of range. In this
+ * case we try to take the previous stack. To always return a non-null
+ * stack pointer we fall back to regs as stack if no previous stack
+ * exists.
+ *
+ * This is valid only for kernel mode traps.
+ */
+unsigned long kernel_stack_pointer(struct pt_regs *regs)
+{
+ unsigned long context = (unsigned long)regs & ~(THREAD_SIZE - 1);
+ unsigned long sp = (unsigned long)®s->sp;
+ struct thread_info *tinfo;
+
+ if (context == (sp & ~(THREAD_SIZE - 1)))
+ return sp;
+
+ tinfo = (struct thread_info *)context;
+ if (tinfo->previous_esp)
+ return tinfo->previous_esp;
+
+ return (unsigned long)regs;
+}
+EXPORT_SYMBOL_GPL(kernel_stack_pointer);
+
static unsigned long *pt_regs_access(struct pt_regs *regs, unsigned long regno)
{
BUILD_BUG_ON(offsetof(struct pt_regs, bx) != 0);
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 0777f04..60f926c 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -197,7 +197,7 @@
}
if (end == TLB_FLUSH_ALL || tlb_flushall_shift == -1
- || vmflag == VM_HUGETLB) {
+ || vmflag & VM_HUGETLB) {
local_flush_tlb();
goto flush_all;
}
diff --git a/arch/x86/pci/ce4100.c b/arch/x86/pci/ce4100.c
index 41bd2a2..b914e20 100644
--- a/arch/x86/pci/ce4100.c
+++ b/arch/x86/pci/ce4100.c
@@ -115,6 +115,16 @@
reg_read(reg, value);
}
+static void reg_noirq_read(struct sim_dev_reg *reg, u32 *value)
+{
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&pci_config_lock, flags);
+ /* force interrupt pin value to 0 */
+ *value = reg->sim_reg.value & 0xfff00ff;
+ raw_spin_unlock_irqrestore(&pci_config_lock, flags);
+}
+
static struct sim_dev_reg bus1_fixups[] = {
DEFINE_REG(2, 0, 0x10, (16*MB), reg_init, reg_read, reg_write)
DEFINE_REG(2, 0, 0x14, (256), reg_init, reg_read, reg_write)
@@ -144,6 +154,7 @@
DEFINE_REG(11, 5, 0x10, (64*KB), reg_init, reg_read, reg_write)
DEFINE_REG(11, 6, 0x10, (256), reg_init, reg_read, reg_write)
DEFINE_REG(11, 7, 0x10, (64*KB), reg_init, reg_read, reg_write)
+ DEFINE_REG(11, 7, 0x3c, 256, reg_init, reg_noirq_read, reg_write)
DEFINE_REG(12, 0, 0x10, (128*KB), reg_init, reg_read, reg_write)
DEFINE_REG(12, 0, 0x14, (256), reg_init, reg_read, reg_write)
DEFINE_REG(12, 1, 0x10, (1024), reg_init, reg_read, reg_write)
@@ -161,8 +172,10 @@
DEFINE_REG(16, 0, 0x10, (64*KB), reg_init, reg_read, reg_write)
DEFINE_REG(16, 0, 0x14, (64*MB), reg_init, reg_read, reg_write)
DEFINE_REG(16, 0, 0x18, (64*MB), reg_init, reg_read, reg_write)
+ DEFINE_REG(16, 0, 0x3c, 256, reg_init, reg_noirq_read, reg_write)
DEFINE_REG(17, 0, 0x10, (128*KB), reg_init, reg_read, reg_write)
DEFINE_REG(18, 0, 0x10, (1*KB), reg_init, reg_read, reg_write)
+ DEFINE_REG(18, 0, 0x3c, 256, reg_init, reg_noirq_read, reg_write)
};
static void __init init_sim_regs(void)
diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c
index 4c61b52..92525cb 100644
--- a/arch/x86/platform/ce4100/ce4100.c
+++ b/arch/x86/platform/ce4100/ce4100.c
@@ -21,12 +21,25 @@
#include <asm/i8259.h>
#include <asm/io.h>
#include <asm/io_apic.h>
+#include <asm/emergency-restart.h>
static int ce4100_i8042_detect(void)
{
return 0;
}
+/*
+ * The CE4100 platform has an internal 8051 Microcontroller which is
+ * responsible for signaling to the external Power Management Unit the
+ * intention to reset, reboot or power off the system. This 8051 device has
+ * its command register mapped at I/O port 0xcf9 and the value 0x4 is used
+ * to power off the system.
+ */
+static void ce4100_power_off(void)
+{
+ outb(0x4, 0xcf9);
+}
+
#ifdef CONFIG_SERIAL_8250
static unsigned int mem_serial_in(struct uart_port *p, int offset)
@@ -139,8 +152,19 @@
x86_init.mpparse.find_smp_config = x86_init_noop;
x86_init.pci.init = ce4100_pci_init;
+ /*
+ * By default, the reboot method is ACPI which is supported by the
+ * CE4100 bootloader CEFDK using FADT.ResetReg Address and ResetValue
+ * the bootloader will however issue a system power off instead of
+ * reboot. By using BOOT_KBD we ensure proper system reboot as
+ * expected.
+ */
+ reboot_type = BOOT_KBD;
+
#ifdef CONFIG_X86_IO_APIC
x86_init.pci.init_irq = sdv_pci_init;
x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc_nocheck;
#endif
+
+ pm_power_off = ce4100_power_off;
}
diff --git a/block/blk-exec.c b/block/blk-exec.c
index 8b6dc5b..f71eac3 100644
--- a/block/blk-exec.c
+++ b/block/blk-exec.c
@@ -52,11 +52,17 @@
rq_end_io_fn *done)
{
int where = at_head ? ELEVATOR_INSERT_FRONT : ELEVATOR_INSERT_BACK;
+ bool is_pm_resume;
WARN_ON(irqs_disabled());
rq->rq_disk = bd_disk;
rq->end_io = done;
+ /*
+ * need to check this before __blk_run_queue(), because rq can
+ * be freed before that returns.
+ */
+ is_pm_resume = rq->cmd_type == REQ_TYPE_PM_RESUME;
spin_lock_irq(q->queue_lock);
@@ -71,7 +77,7 @@
__elv_add_request(q, rq, where);
__blk_run_queue(q);
/* the queue is stopped so it won't be run */
- if (rq->cmd_type == REQ_TYPE_PM_RESUME)
+ if (is_pm_resume)
q->request_fn(q);
spin_unlock_irq(q->queue_lock);
}
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index b1ae480..b7078af 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -238,7 +238,7 @@
return 0;
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
static int ahci_suspend(struct device *dev)
{
struct ahci_platform_data *pdata = dev_get_platdata(dev);
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index fd9ecf7..5b0ba3f 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -1105,10 +1105,15 @@
struct acpi_device *acpi_dev;
struct acpi_device_power_state *states;
- if (ap->flags & ATA_FLAG_ACPI_SATA)
- ata_dev = &ap->link.device[sdev->channel];
- else
+ if (ap->flags & ATA_FLAG_ACPI_SATA) {
+ if (!sata_pmp_attached(ap))
+ ata_dev = &ap->link.device[sdev->id];
+ else
+ ata_dev = &ap->pmp_link[sdev->channel].device[sdev->id];
+ }
+ else {
ata_dev = &ap->link.device[sdev->id];
+ }
*handle = ata_dev_acpi_handle(ata_dev);
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 3cc7096..f46fbd3 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2942,6 +2942,10 @@
if (xfer_mode == t->mode)
return t;
+
+ WARN_ONCE(true, "%s: unable to find timing for xfer_mode 0x%x\n",
+ __func__, xfer_mode);
+
return NULL;
}
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index e3bda074..a6df6a3 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1052,6 +1052,8 @@
{
sdev->use_10_for_rw = 1;
sdev->use_10_for_ms = 1;
+ sdev->no_report_opcodes = 1;
+ sdev->no_write_same = 1;
/* Schedule policy is determined by ->qc_defer() callback and
* it needs to see every deferred qc. Set dev_blocked to 1 to
diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c
index 26201eb..371fd2c 100644
--- a/drivers/ata/pata_arasan_cf.c
+++ b/drivers/ata/pata_arasan_cf.c
@@ -317,6 +317,12 @@
return ret;
}
+ ret = clk_set_rate(acdev->clk, 166000000);
+ if (ret) {
+ dev_warn(acdev->host->dev, "clock set rate failed");
+ return ret;
+ }
+
spin_lock_irqsave(&acdev->host->lock, flags);
/* configure CF interface clock */
writel((pdata->cf_if_clk <= CF_IF_CLK_200M) ? pdata->cf_if_clk :
@@ -908,7 +914,7 @@
return 0;
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
static int arasan_cf_suspend(struct device *dev)
{
struct ata_host *host = dev_get_drvdata(dev);
diff --git a/drivers/ata/sata_highbank.c b/drivers/ata/sata_highbank.c
index 0d7c4c2..400bf1c 100644
--- a/drivers/ata/sata_highbank.c
+++ b/drivers/ata/sata_highbank.c
@@ -260,7 +260,7 @@
};
MODULE_DEVICE_TABLE(of, ahci_of_match);
-static int __init ahci_highbank_probe(struct platform_device *pdev)
+static int __devinit ahci_highbank_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct ahci_host_priv *hpriv;
@@ -378,7 +378,7 @@
return 0;
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
static int ahci_highbank_suspend(struct device *dev)
{
struct ata_host *host = dev_get_drvdata(dev);
diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c
index 44a4256..08608de 100644
--- a/drivers/ata/sata_svw.c
+++ b/drivers/ata/sata_svw.c
@@ -142,6 +142,39 @@
return 0;
}
+static int k2_sata_softreset(struct ata_link *link,
+ unsigned int *class, unsigned long deadline)
+{
+ u8 dmactl;
+ void __iomem *mmio = link->ap->ioaddr.bmdma_addr;
+
+ dmactl = readb(mmio + ATA_DMA_CMD);
+
+ /* Clear the start bit */
+ if (dmactl & ATA_DMA_START) {
+ dmactl &= ~ATA_DMA_START;
+ writeb(dmactl, mmio + ATA_DMA_CMD);
+ }
+
+ return ata_sff_softreset(link, class, deadline);
+}
+
+static int k2_sata_hardreset(struct ata_link *link,
+ unsigned int *class, unsigned long deadline)
+{
+ u8 dmactl;
+ void __iomem *mmio = link->ap->ioaddr.bmdma_addr;
+
+ dmactl = readb(mmio + ATA_DMA_CMD);
+
+ /* Clear the start bit */
+ if (dmactl & ATA_DMA_START) {
+ dmactl &= ~ATA_DMA_START;
+ writeb(dmactl, mmio + ATA_DMA_CMD);
+ }
+
+ return sata_sff_hardreset(link, class, deadline);
+}
static void k2_sata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
{
@@ -346,6 +379,8 @@
static struct ata_port_operations k2_sata_ops = {
.inherits = &ata_bmdma_port_ops,
+ .softreset = k2_sata_softreset,
+ .hardreset = k2_sata_hardreset,
.sff_tf_load = k2_sata_tf_load,
.sff_tf_read = k2_sata_tf_read,
.sff_check_status = k2_stat_check_status,
diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c
index 74a67e0..fbbd4ed 100644
--- a/drivers/base/power/qos.c
+++ b/drivers/base/power/qos.c
@@ -451,7 +451,7 @@
if (ancestor)
error = dev_pm_qos_add_request(ancestor, req, value);
- if (error)
+ if (error < 0)
req->dev = NULL;
return error;
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 3804a0a..9fe4f18 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -935,7 +935,7 @@
/* cf. http://lkml.org/lkml/2006/10/31/28 */
if (!fastfail)
- q->request_fn(q);
+ __blk_run_queue(q);
}
static void
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 1c49d71..2ddd64a 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4330,6 +4330,7 @@
out_unreg_blkdev:
unregister_blkdev(FLOPPY_MAJOR, "fd");
out_put_disk:
+ destroy_workqueue(floppy_wq);
for (drive = 0; drive < N_DRIVE; drive++) {
if (!disks[drive])
break;
@@ -4340,7 +4341,6 @@
}
put_disk(disks[drive]);
}
- destroy_workqueue(floppy_wq);
return err;
}
@@ -4555,6 +4555,8 @@
unregister_blkdev(FLOPPY_MAJOR, "fd");
platform_driver_unregister(&floppy_driver);
+ destroy_workqueue(floppy_wq);
+
for (drive = 0; drive < N_DRIVE; drive++) {
del_timer_sync(&motor_off_timer[drive]);
@@ -4578,7 +4580,6 @@
cancel_delayed_work_sync(&fd_timeout);
cancel_delayed_work_sync(&fd_timer);
- destroy_workqueue(floppy_wq);
if (atomic_read(&usage_count))
floppy_release_irq_and_dma();
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index adc6f36..9694dd9 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -559,7 +559,7 @@
struct mtip_cmd *command;
int tag, cmdto_cnt = 0;
unsigned int bit, group;
- unsigned int num_command_slots = port->dd->slot_groups * 32;
+ unsigned int num_command_slots;
unsigned long to, tagaccum[SLOTBITS_IN_LONGS];
if (unlikely(!port))
@@ -572,6 +572,7 @@
}
/* clear the tag accumulator */
memset(tagaccum, 0, SLOTBITS_IN_LONGS * sizeof(long));
+ num_command_slots = port->dd->slot_groups * 32;
for (tag = 0; tag < num_command_slots; tag++) {
/*
@@ -2218,8 +2219,8 @@
fis.device);
/* check for erase mode support during secure erase.*/
- if ((fis.command == ATA_CMD_SEC_ERASE_UNIT)
- && (outbuf[0] & MTIP_SEC_ERASE_MODE)) {
+ if ((fis.command == ATA_CMD_SEC_ERASE_UNIT) && outbuf &&
+ (outbuf[0] & MTIP_SEC_ERASE_MODE)) {
erasemode = 1;
}
@@ -2439,7 +2440,7 @@
* return value
* None
*/
-static void mtip_hw_submit_io(struct driver_data *dd, sector_t start,
+static void mtip_hw_submit_io(struct driver_data *dd, sector_t sector,
int nsect, int nents, int tag, void *callback,
void *data, int dir)
{
@@ -2447,6 +2448,7 @@
struct mtip_port *port = dd->port;
struct mtip_cmd *command = &port->commands[tag];
int dma_dir = (dir == READ) ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
+ u64 start = sector;
/* Map the scatter list for DMA access */
nents = dma_map_sg(&dd->pdev->dev, command->sg, nents, dma_dir);
@@ -2465,8 +2467,12 @@
fis->opts = 1 << 7;
fis->command =
(dir == READ ? ATA_CMD_FPDMA_READ : ATA_CMD_FPDMA_WRITE);
- *((unsigned int *) &fis->lba_low) = (start & 0xFFFFFF);
- *((unsigned int *) &fis->lba_low_ex) = ((start >> 24) & 0xFFFFFF);
+ fis->lba_low = start & 0xFF;
+ fis->lba_mid = (start >> 8) & 0xFF;
+ fis->lba_hi = (start >> 16) & 0xFF;
+ fis->lba_low_ex = (start >> 24) & 0xFF;
+ fis->lba_mid_ex = (start >> 32) & 0xFF;
+ fis->lba_hi_ex = (start >> 40) & 0xFF;
fis->device = 1 << 6;
fis->features = nsect & 0xFF;
fis->features_ex = (nsect >> 8) & 0xFF;
diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h
index 5f4a917..b174264 100644
--- a/drivers/block/mtip32xx/mtip32xx.h
+++ b/drivers/block/mtip32xx/mtip32xx.h
@@ -34,7 +34,7 @@
#define PCIE_CONFIG_EXT_DEVICE_CONTROL_OFFSET 0x48
/* check for erase mode support during secure erase */
-#define MTIP_SEC_ERASE_MODE 0x3
+#define MTIP_SEC_ERASE_MODE 0x2
/* # of times to retry timed out/failed IOs */
#define MTIP_MAX_RETRIES 2
@@ -155,14 +155,14 @@
MTIP_DDF_REBUILD_FAILED_BIT = 8,
};
-__packed struct smart_attr{
+struct smart_attr {
u8 attr_id;
u16 flags;
u8 cur;
u8 worst;
u32 data;
u8 res[3];
-};
+} __packed;
/* Register Frame Information Structure (FIS), host to device. */
struct host_to_dev_fis {
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 8d48047..8c41396 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -33,7 +33,7 @@
* detection. The mods to Rev F required more family
* information detection.
*
- * Changes/Fixes by Borislav Petkov <borislav.petkov@amd.com>:
+ * Changes/Fixes by Borislav Petkov <bp@alien8.de>:
* - misc fixes and code cleanups
*
* This module is based on the following documents
diff --git a/drivers/edac/edac_stub.c b/drivers/edac/edac_stub.c
index 6c86f6e..351945f 100644
--- a/drivers/edac/edac_stub.c
+++ b/drivers/edac/edac_stub.c
@@ -5,7 +5,7 @@
*
* 2007 (c) MontaVista Software, Inc.
* 2010 (c) Advanced Micro Devices Inc.
- * Borislav Petkov <borislav.petkov@amd.com>
+ * Borislav Petkov <bp@alien8.de>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
diff --git a/drivers/edac/mce_amd_inj.c b/drivers/edac/mce_amd_inj.c
index 66b5151..2ae78f2 100644
--- a/drivers/edac/mce_amd_inj.c
+++ b/drivers/edac/mce_amd_inj.c
@@ -6,7 +6,7 @@
* This file may be distributed under the terms of the GNU General Public
* License version 2.
*
- * Copyright (c) 2010: Borislav Petkov <borislav.petkov@amd.com>
+ * Copyright (c) 2010: Borislav Petkov <bp@alien8.de>
* Advanced Micro Devices Inc.
*/
@@ -168,6 +168,6 @@
module_exit(edac_exit_mce_inject);
MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Borislav Petkov <borislav.petkov@amd.com>");
+MODULE_AUTHOR("Borislav Petkov <bp@alien8.de>");
MODULE_AUTHOR("AMD Inc.");
MODULE_DESCRIPTION("MCE injection facility for testing MCE decoding");
diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c
index 1162d6b..bb1b392 100644
--- a/drivers/firewire/sbp2.c
+++ b/drivers/firewire/sbp2.c
@@ -1546,6 +1546,8 @@
struct sbp2_logical_unit *lu = sdev->hostdata;
sdev->use_10_for_rw = 1;
+ sdev->no_report_opcodes = 1;
+ sdev->no_write_same = 1;
if (sbp2_param_exclusive_login)
sdev->manage_start_stop = 1;
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index f11d8e3..47150f5 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -466,7 +466,7 @@
config GPIO_ADNP
tristate "Avionic Design N-bit GPIO expander"
- depends on I2C && OF
+ depends on I2C && OF_GPIO
help
This option enables support for N GPIOs found on Avionic Design
I2C GPIO expanders. The register space will be extended by powers
diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c
index 0f42518..ce1c847 100644
--- a/drivers/gpio/gpio-mcp23s08.c
+++ b/drivers/gpio/gpio-mcp23s08.c
@@ -77,7 +77,7 @@
/*----------------------------------------------------------------------*/
-#ifdef CONFIG_I2C
+#if IS_ENABLED(CONFIG_I2C)
static int mcp23008_read(struct mcp23s08 *mcp, unsigned reg)
{
@@ -399,7 +399,7 @@
break;
#endif /* CONFIG_SPI_MASTER */
-#ifdef CONFIG_I2C
+#if IS_ENABLED(CONFIG_I2C)
case MCP_TYPE_008:
mcp->ops = &mcp23008_ops;
mcp->chip.ngpio = 8;
@@ -473,7 +473,7 @@
/*----------------------------------------------------------------------*/
-#ifdef CONFIG_I2C
+#if IS_ENABLED(CONFIG_I2C)
static int __devinit mcp230xx_probe(struct i2c_client *client,
const struct i2c_device_id *id)
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index cf7afb9..be65c04 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -92,6 +92,11 @@
return mvchip->membase + GPIO_OUT_OFF;
}
+static inline void __iomem *mvebu_gpioreg_blink(struct mvebu_gpio_chip *mvchip)
+{
+ return mvchip->membase + GPIO_BLINK_EN_OFF;
+}
+
static inline void __iomem *mvebu_gpioreg_io_conf(struct mvebu_gpio_chip *mvchip)
{
return mvchip->membase + GPIO_IO_CONF_OFF;
@@ -206,6 +211,23 @@
return (u >> pin) & 1;
}
+static void mvebu_gpio_blink(struct gpio_chip *chip, unsigned pin, int value)
+{
+ struct mvebu_gpio_chip *mvchip =
+ container_of(chip, struct mvebu_gpio_chip, chip);
+ unsigned long flags;
+ u32 u;
+
+ spin_lock_irqsave(&mvchip->lock, flags);
+ u = readl_relaxed(mvebu_gpioreg_blink(mvchip));
+ if (value)
+ u |= 1 << pin;
+ else
+ u &= ~(1 << pin);
+ writel_relaxed(u, mvebu_gpioreg_blink(mvchip));
+ spin_unlock_irqrestore(&mvchip->lock, flags);
+}
+
static int mvebu_gpio_direction_input(struct gpio_chip *chip, unsigned pin)
{
struct mvebu_gpio_chip *mvchip =
@@ -244,6 +266,7 @@
if (ret)
return ret;
+ mvebu_gpio_blink(chip, pin, 0);
mvebu_gpio_set(chip, pin, value);
spin_lock_irqsave(&mvchip->lock, flags);
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
index 05a909a..15b182c 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
@@ -49,13 +49,7 @@
if (chan->vblank.crtc != crtc)
continue;
- if (nv_device(priv)->chipset == 0x50) {
- nv_wr32(priv, 0x001704, chan->vblank.channel);
- nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma);
- bar->flush(bar);
- nv_wr32(priv, 0x001570, chan->vblank.offset);
- nv_wr32(priv, 0x001574, chan->vblank.value);
- } else {
+ if (nv_device(priv)->chipset >= 0xc0) {
nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel);
bar->flush(bar);
nv_wr32(priv, 0x06000c,
@@ -63,6 +57,17 @@
nv_wr32(priv, 0x060010,
lower_32_bits(chan->vblank.offset));
nv_wr32(priv, 0x060014, chan->vblank.value);
+ } else {
+ nv_wr32(priv, 0x001704, chan->vblank.channel);
+ nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma);
+ bar->flush(bar);
+ if (nv_device(priv)->chipset == 0x50) {
+ nv_wr32(priv, 0x001570, chan->vblank.offset);
+ nv_wr32(priv, 0x001574, chan->vblank.value);
+ } else {
+ nv_wr32(priv, 0x060010, chan->vblank.offset);
+ nv_wr32(priv, 0x060014, chan->vblank.value);
+ }
}
list_del(&chan->vblank.head);
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c
index e45035e..7bbb1e1 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c
@@ -669,21 +669,27 @@
});
}
-void
+int
nv40_grctx_init(struct nouveau_device *device, u32 *size)
{
- u32 ctxprog[256], i;
+ u32 *ctxprog = kmalloc(256 * 4, GFP_KERNEL), i;
struct nouveau_grctx ctx = {
.device = device,
.mode = NOUVEAU_GRCTX_PROG,
.data = ctxprog,
- .ctxprog_max = ARRAY_SIZE(ctxprog)
+ .ctxprog_max = 256,
};
+ if (!ctxprog)
+ return -ENOMEM;
+
nv40_grctx_generate(&ctx);
nv_wr32(device, 0x400324, 0);
for (i = 0; i < ctx.ctxprog_len; i++)
nv_wr32(device, 0x400328, ctxprog[i]);
*size = ctx.ctxvals_pos * 4;
+
+ kfree(ctxprog);
+ return 0;
}
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
index 4250012..cc6574e 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
@@ -346,7 +346,9 @@
return ret;
/* generate and upload context program */
- nv40_grctx_init(nv_device(priv), &priv->size);
+ ret = nv40_grctx_init(nv_device(priv), &priv->size);
+ if (ret)
+ return ret;
/* No context present currently */
nv_wr32(priv, NV40_PGRAPH_CTXCTL_CUR, 0x00000000);
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h
index d2ac975..7da35a4 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h
@@ -15,7 +15,7 @@
return !(0x0baf & (1 << (device->chipset & 0x0f)));
}
-void nv40_grctx_init(struct nouveau_device *, u32 *size);
+int nv40_grctx_init(struct nouveau_device *, u32 *size);
void nv40_grctx_fill(struct nouveau_device *, struct nouveau_gpuobj *);
#endif
diff --git a/drivers/gpu/drm/nouveau/core/include/core/object.h b/drivers/gpu/drm/nouveau/core/include/core/object.h
index 818feab..486f1a9 100644
--- a/drivers/gpu/drm/nouveau/core/include/core/object.h
+++ b/drivers/gpu/drm/nouveau/core/include/core/object.h
@@ -175,14 +175,18 @@
return temp;
}
-static inline bool
-nv_strncmp(void *obj, u32 addr, u32 len, const char *str)
+static inline int
+nv_memcmp(void *obj, u32 addr, const char *str, u32 len)
{
+ unsigned char c1, c2;
+
while (len--) {
- if (nv_ro08(obj, addr++) != *(str++))
- return false;
+ c1 = nv_ro08(obj, addr++);
+ c2 = *(str++);
+ if (c1 != c2)
+ return c1 - c2;
}
- return true;
+ return 0;
}
#endif
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/clock.h b/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
index 39e73b9..41b7a6a 100644
--- a/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
@@ -54,6 +54,7 @@
int clk, struct nouveau_pll_vals *);
int nv04_clock_pll_prog(struct nouveau_clock *, u32 reg1,
struct nouveau_pll_vals *);
-
+int nva3_clock_pll_calc(struct nouveau_clock *, struct nvbios_pll *,
+ int clk, struct nouveau_pll_vals *);
#endif
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
index 7d75038..c511971 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
@@ -64,7 +64,7 @@
}
} else
if (*ver >= 0x15) {
- if (!nv_strncmp(bios, dcb - 7, 7, "DEV_REC")) {
+ if (!nv_memcmp(bios, dcb - 7, "DEV_REC", 7)) {
u16 i2c = nv_ro16(bios, dcb + 2);
*hdr = 4;
*cnt = (i2c - dcb) / 10;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/clock/nva3.c b/drivers/gpu/drm/nouveau/core/subdev/clock/nva3.c
index cc8d7d1..9068c98 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/clock/nva3.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/clock/nva3.c
@@ -66,6 +66,24 @@
return ret;
}
+int
+nva3_clock_pll_calc(struct nouveau_clock *clock, struct nvbios_pll *info,
+ int clk, struct nouveau_pll_vals *pv)
+{
+ int ret, N, M, P;
+
+ ret = nva3_pll_calc(clock, info, clk, &N, NULL, &M, &P);
+
+ if (ret > 0) {
+ pv->refclk = info->refclk;
+ pv->N1 = N;
+ pv->M1 = M;
+ pv->log2P = P;
+ }
+ return ret;
+}
+
+
static int
nva3_clock_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
@@ -80,6 +98,7 @@
return ret;
priv->base.pll_set = nva3_clock_pll_set;
+ priv->base.pll_calc = nva3_clock_pll_calc;
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/clock/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/clock/nvc0.c
index 5ccce0b..f6962c9 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/clock/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/clock/nvc0.c
@@ -79,6 +79,7 @@
return ret;
priv->base.pll_set = nvc0_clock_pll_set;
+ priv->base.pll_calc = nva3_clock_pll_calc;
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index cc79c79..cbf1fc6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -241,6 +241,10 @@
if (unlikely(!abi16))
return -ENOMEM;
+
+ if (!drm->channel)
+ return nouveau_abi16_put(abi16, -ENODEV);
+
client = nv_client(abi16->client);
if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0)
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 0910125..8503b2e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -129,7 +129,8 @@
/* initialise synchronisation routines */
if (device->card_type < NV_10) ret = nv04_fence_create(drm);
- else if (device->chipset < 0x84) ret = nv10_fence_create(drm);
+ else if (device->card_type < NV_50) ret = nv10_fence_create(drm);
+ else if (device->chipset < 0x84) ret = nv50_fence_create(drm);
else if (device->card_type < NV_C0) ret = nv84_fence_create(drm);
else ret = nvc0_fence_create(drm);
if (ret) {
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index af31f82..219942c 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1330,6 +1330,8 @@
break;
udelay(1);
}
+ } else {
+ save->crtc_enabled[i] = false;
}
}
diff --git a/drivers/gpu/drm/radeon/radeon_agp.c b/drivers/gpu/drm/radeon/radeon_agp.c
index 10ea17a..4243334 100644
--- a/drivers/gpu/drm/radeon/radeon_agp.c
+++ b/drivers/gpu/drm/radeon/radeon_agp.c
@@ -69,9 +69,12 @@
/* Intel 82830 830 Chipset Host Bridge / Mobility M6 LY Needs AGPMode 2 (fdo #17360)*/
{ PCI_VENDOR_ID_INTEL, 0x3575, PCI_VENDOR_ID_ATI, 0x4c59,
PCI_VENDOR_ID_DELL, 0x00e3, 2},
- /* Intel 82852/82855 host bridge / Mobility FireGL 9000 R250 Needs AGPMode 1 (lp #296617) */
+ /* Intel 82852/82855 host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 (lp #296617) */
{ PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4c66,
PCI_VENDOR_ID_DELL, 0x0149, 1},
+ /* Intel 82855PM host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 for suspend/resume */
+ { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c66,
+ PCI_VENDOR_ID_IBM, 0x0531, 1},
/* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (deb #467460) */
{ PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50,
0x1025, 0x0061, 1},
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
index aa59a25..c02bf20 100644
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -39,6 +39,7 @@
#define AT91_TWI_STOP 0x0002 /* Send a Stop Condition */
#define AT91_TWI_MSEN 0x0004 /* Master Transfer Enable */
#define AT91_TWI_SVDIS 0x0020 /* Slave Transfer Disable */
+#define AT91_TWI_QUICK 0x0040 /* SMBus quick command */
#define AT91_TWI_SWRST 0x0080 /* Software Reset */
#define AT91_TWI_MMR 0x0004 /* Master Mode Register */
@@ -212,7 +213,11 @@
INIT_COMPLETION(dev->cmd_complete);
dev->transfer_status = 0;
- if (dev->msg->flags & I2C_M_RD) {
+
+ if (!dev->buf_len) {
+ at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_QUICK);
+ at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_TXCOMP);
+ } else if (dev->msg->flags & I2C_M_RD) {
unsigned start_flags = AT91_TWI_START;
if (at91_twi_read(dev, AT91_TWI_SR) & AT91_TWI_RXRDY) {
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index 286ca19..0670da7 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -287,12 +287,14 @@
select_init_dma_fail:
dma_unmap_sg(i2c->dev, &i2c->sg_io[0], 1, DMA_TO_DEVICE);
select_init_pio_fail:
+ dmaengine_terminate_all(i2c->dmach);
return -EINVAL;
/* Write failpath. */
write_init_dma_fail:
dma_unmap_sg(i2c->dev, i2c->sg_io, 2, DMA_TO_DEVICE);
write_init_pio_fail:
+ dmaengine_terminate_all(i2c->dmach);
return -EINVAL;
}
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index db31eae..3525c9e 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -43,7 +43,6 @@
#include <linux/slab.h>
#include <linux/i2c-omap.h>
#include <linux/pm_runtime.h>
-#include <linux/pm_qos.h>
/* I2C controller revisions */
#define OMAP_I2C_OMAP1_REV_2 0x20
@@ -187,8 +186,9 @@
int reg_shift; /* bit shift for I2C register addresses */
struct completion cmd_complete;
struct resource *ioarea;
- u32 latency; /* maximum MPU wkup latency */
- struct pm_qos_request pm_qos_request;
+ u32 latency; /* maximum mpu wkup latency */
+ void (*set_mpu_wkup_lat)(struct device *dev,
+ long latency);
u32 speed; /* Speed of bus in kHz */
u32 dtrev; /* extra revision from DT */
u32 flags;
@@ -494,7 +494,9 @@
dev->b_hw = 1; /* Enable hardware fixes */
/* calculate wakeup latency constraint for MPU */
- dev->latency = (1000000 * dev->threshold) / (1000 * dev->speed / 8);
+ if (dev->set_mpu_wkup_lat != NULL)
+ dev->latency = (1000000 * dev->threshold) /
+ (1000 * dev->speed / 8);
}
/*
@@ -522,6 +524,9 @@
dev->buf = msg->buf;
dev->buf_len = msg->len;
+ /* make sure writes to dev->buf_len are ordered */
+ barrier();
+
omap_i2c_write_reg(dev, OMAP_I2C_CNT_REG, dev->buf_len);
/* Clear the FIFO Buffers */
@@ -579,7 +584,6 @@
*/
timeout = wait_for_completion_timeout(&dev->cmd_complete,
OMAP_I2C_TIMEOUT);
- dev->buf_len = 0;
if (timeout == 0) {
dev_err(dev->dev, "controller timed out\n");
omap_i2c_init(dev);
@@ -629,16 +633,8 @@
if (r < 0)
goto out;
- /*
- * When waiting for completion of a i2c transfer, we need to
- * set a wake up latency constraint for the MPU. This is to
- * ensure quick enough wakeup from idle, when transfer
- * completes.
- */
- if (dev->latency)
- pm_qos_add_request(&dev->pm_qos_request,
- PM_QOS_CPU_DMA_LATENCY,
- dev->latency);
+ if (dev->set_mpu_wkup_lat != NULL)
+ dev->set_mpu_wkup_lat(dev->dev, dev->latency);
for (i = 0; i < num; i++) {
r = omap_i2c_xfer_msg(adap, &msgs[i], (i == (num - 1)));
@@ -646,8 +642,8 @@
break;
}
- if (dev->latency)
- pm_qos_remove_request(&dev->pm_qos_request);
+ if (dev->set_mpu_wkup_lat != NULL)
+ dev->set_mpu_wkup_lat(dev->dev, -1);
if (r == 0)
r = num;
@@ -1104,6 +1100,7 @@
} else if (pdata != NULL) {
dev->speed = pdata->clkrate;
dev->flags = pdata->flags;
+ dev->set_mpu_wkup_lat = pdata->set_mpu_wkup_lat;
dev->dtrev = pdata->rev;
}
@@ -1159,8 +1156,9 @@
dev->b_hw = 1; /* Enable hardware fixes */
/* calculate wakeup latency constraint for MPU */
- dev->latency = (1000000 * dev->fifo_size) /
- (1000 * dev->speed / 8);
+ if (dev->set_mpu_wkup_lat != NULL)
+ dev->latency = (1000000 * dev->fifo_size) /
+ (1000 * dev->speed / 8);
}
/* reset ASAP, clearing any IRQs */
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 3e0335f..9d90272 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -806,6 +806,7 @@
dev_err(i2c->dev, "invalid gpio[%d]: %d\n", idx, gpio);
goto free_gpio;
}
+ i2c->gpios[idx] = gpio;
ret = gpio_request(gpio, "i2c-bus");
if (ret) {
diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c
index c0ec7d4..1abbc17 100644
--- a/drivers/input/input-mt.c
+++ b/drivers/input/input-mt.c
@@ -26,10 +26,14 @@
* input_mt_init_slots() - initialize MT input slots
* @dev: input device supporting MT events and finger tracking
* @num_slots: number of slots used by the device
+ * @flags: mt tasks to handle in core
*
* This function allocates all necessary memory for MT slot handling
* in the input device, prepares the ABS_MT_SLOT and
* ABS_MT_TRACKING_ID events for use and sets up appropriate buffers.
+ * Depending on the flags set, it also performs pointer emulation and
+ * frame synchronization.
+ *
* May be called repeatedly. Returns -EINVAL if attempting to
* reinitialize with a different number of slots.
*/
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 8f02e3d..4c842c3 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -12,8 +12,8 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#define MOUSEDEV_MINOR_BASE 32
-#define MOUSEDEV_MINORS 32
-#define MOUSEDEV_MIX 31
+#define MOUSEDEV_MINORS 31
+#define MOUSEDEV_MIX 63
#include <linux/sched.h>
#include <linux/slab.h>
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index f02028e..78e5d9a 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -955,7 +955,8 @@
static SIMPLE_DEV_PM_OPS(ads7846_pm, ads7846_suspend, ads7846_resume);
-static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads7846 *ts)
+static int __devinit ads7846_setup_pendown(struct spi_device *spi,
+ struct ads7846 *ts)
{
struct ads7846_platform_data *pdata = spi->dev.platform_data;
int err;
@@ -981,6 +982,9 @@
ts->gpio_pendown = pdata->gpio_pendown;
+ if (pdata->gpio_pendown_debounce)
+ gpio_set_debounce(pdata->gpio_pendown,
+ pdata->gpio_pendown_debounce);
} else {
dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
return -EINVAL;
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index d4a4cd4..0badfa4 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4108,7 +4108,7 @@
static int intel_iommu_add_device(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
- struct pci_dev *bridge, *dma_pdev;
+ struct pci_dev *bridge, *dma_pdev = NULL;
struct iommu_group *group;
int ret;
@@ -4122,7 +4122,7 @@
dma_pdev = pci_get_domain_bus_and_slot(
pci_domain_nr(pdev->bus),
bridge->subordinate->number, 0);
- else
+ if (!dma_pdev)
dma_pdev = pci_dev_get(bridge);
} else
dma_pdev = pci_dev_get(pdev);
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index a649f14..c0f7a42 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -1054,6 +1054,7 @@
stats[i], val, offs);
}
seq_printf(s, "\n");
+ dput(dent);
return 0;
}
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 02db918..77e6eff 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -740,8 +740,14 @@
if (!md_in_flight(md))
wake_up(&md->wait);
+ /*
+ * Run this off this callpath, as drivers could invoke end_io while
+ * inside their request_fn (and holding the queue lock). Calling
+ * back into ->request_fn() could deadlock attempting to grab the
+ * queue lock again.
+ */
if (run_queue)
- blk_run_queue(md->queue);
+ blk_run_queue_async(md->queue);
/*
* dm_put() must be at the end of this function. See the comment above
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9ab768a..6120071 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1817,10 +1817,10 @@
memset(bbp, 0xff, PAGE_SIZE);
for (i = 0 ; i < bb->count ; i++) {
- u64 internal_bb = *p++;
+ u64 internal_bb = p[i];
u64 store_bb = ((BB_OFFSET(internal_bb) << 10)
| BB_LEN(internal_bb));
- *bbp++ = cpu_to_le64(store_bb);
+ bbp[i] = cpu_to_le64(store_bb);
}
bb->changed = 0;
if (read_seqretry(&bb->lock, seq))
@@ -5294,7 +5294,7 @@
}
EXPORT_SYMBOL_GPL(md_stop_writes);
-void md_stop(struct mddev *mddev)
+static void __md_stop(struct mddev *mddev)
{
mddev->ready = 0;
mddev->pers->stop(mddev);
@@ -5304,6 +5304,18 @@
mddev->pers = NULL;
clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
}
+
+void md_stop(struct mddev *mddev)
+{
+ /* stop the array and free an attached data structures.
+ * This is called from dm-raid
+ */
+ __md_stop(mddev);
+ bitmap_destroy(mddev);
+ if (mddev->bio_set)
+ bioset_free(mddev->bio_set);
+}
+
EXPORT_SYMBOL_GPL(md_stop);
static int md_set_readonly(struct mddev *mddev, struct block_device *bdev)
@@ -5364,7 +5376,7 @@
set_disk_ro(disk, 0);
__md_stop_writes(mddev);
- md_stop(mddev);
+ __md_stop(mddev);
mddev->queue->merge_bvec_fn = NULL;
mddev->queue->backing_dev_info.congested_fn = NULL;
@@ -7936,9 +7948,9 @@
sector_t *first_bad, int *bad_sectors)
{
int hi;
- int lo = 0;
+ int lo;
u64 *p = bb->page;
- int rv = 0;
+ int rv;
sector_t target = s + sectors;
unsigned seq;
@@ -7953,7 +7965,8 @@
retry:
seq = read_seqbegin(&bb->lock);
-
+ lo = 0;
+ rv = 0;
hi = bb->count;
/* Binary search between lo and hi for 'target'
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index d1295af..0d5d0ff 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -499,7 +499,7 @@
*/
one_write_done(r10_bio);
if (dec_rdev)
- rdev_dec_pending(conf->mirrors[dev].rdev, conf->mddev);
+ rdev_dec_pending(rdev, conf->mddev);
}
/*
@@ -1334,18 +1334,21 @@
blocked_rdev = rrdev;
break;
}
+ if (rdev && (test_bit(Faulty, &rdev->flags)
+ || test_bit(Unmerged, &rdev->flags)))
+ rdev = NULL;
if (rrdev && (test_bit(Faulty, &rrdev->flags)
|| test_bit(Unmerged, &rrdev->flags)))
rrdev = NULL;
r10_bio->devs[i].bio = NULL;
r10_bio->devs[i].repl_bio = NULL;
- if (!rdev || test_bit(Faulty, &rdev->flags) ||
- test_bit(Unmerged, &rdev->flags)) {
+
+ if (!rdev && !rrdev) {
set_bit(R10BIO_Degraded, &r10_bio->state);
continue;
}
- if (test_bit(WriteErrorSeen, &rdev->flags)) {
+ if (rdev && test_bit(WriteErrorSeen, &rdev->flags)) {
sector_t first_bad;
sector_t dev_sector = r10_bio->devs[i].addr;
int bad_sectors;
@@ -1387,8 +1390,10 @@
max_sectors = good_sectors;
}
}
- r10_bio->devs[i].bio = bio;
- atomic_inc(&rdev->nr_pending);
+ if (rdev) {
+ r10_bio->devs[i].bio = bio;
+ atomic_inc(&rdev->nr_pending);
+ }
if (rrdev) {
r10_bio->devs[i].repl_bio = bio;
atomic_inc(&rrdev->nr_pending);
@@ -1444,69 +1449,71 @@
for (i = 0; i < conf->copies; i++) {
struct bio *mbio;
int d = r10_bio->devs[i].devnum;
- if (!r10_bio->devs[i].bio)
- continue;
+ if (r10_bio->devs[i].bio) {
+ struct md_rdev *rdev = conf->mirrors[d].rdev;
+ mbio = bio_clone_mddev(bio, GFP_NOIO, mddev);
+ md_trim_bio(mbio, r10_bio->sector - bio->bi_sector,
+ max_sectors);
+ r10_bio->devs[i].bio = mbio;
- mbio = bio_clone_mddev(bio, GFP_NOIO, mddev);
- md_trim_bio(mbio, r10_bio->sector - bio->bi_sector,
- max_sectors);
- r10_bio->devs[i].bio = mbio;
+ mbio->bi_sector = (r10_bio->devs[i].addr+
+ choose_data_offset(r10_bio,
+ rdev));
+ mbio->bi_bdev = rdev->bdev;
+ mbio->bi_end_io = raid10_end_write_request;
+ mbio->bi_rw = WRITE | do_sync | do_fua | do_discard;
+ mbio->bi_private = r10_bio;
- mbio->bi_sector = (r10_bio->devs[i].addr+
- choose_data_offset(r10_bio,
- conf->mirrors[d].rdev));
- mbio->bi_bdev = conf->mirrors[d].rdev->bdev;
- mbio->bi_end_io = raid10_end_write_request;
- mbio->bi_rw = WRITE | do_sync | do_fua | do_discard;
- mbio->bi_private = r10_bio;
+ atomic_inc(&r10_bio->remaining);
- atomic_inc(&r10_bio->remaining);
+ cb = blk_check_plugged(raid10_unplug, mddev,
+ sizeof(*plug));
+ if (cb)
+ plug = container_of(cb, struct raid10_plug_cb,
+ cb);
+ else
+ plug = NULL;
+ spin_lock_irqsave(&conf->device_lock, flags);
+ if (plug) {
+ bio_list_add(&plug->pending, mbio);
+ plug->pending_cnt++;
+ } else {
+ bio_list_add(&conf->pending_bio_list, mbio);
+ conf->pending_count++;
+ }
+ spin_unlock_irqrestore(&conf->device_lock, flags);
+ if (!plug)
+ md_wakeup_thread(mddev->thread);
+ }
- cb = blk_check_plugged(raid10_unplug, mddev, sizeof(*plug));
- if (cb)
- plug = container_of(cb, struct raid10_plug_cb, cb);
- else
- plug = NULL;
- spin_lock_irqsave(&conf->device_lock, flags);
- if (plug) {
- bio_list_add(&plug->pending, mbio);
- plug->pending_cnt++;
- } else {
+ if (r10_bio->devs[i].repl_bio) {
+ struct md_rdev *rdev = conf->mirrors[d].replacement;
+ if (rdev == NULL) {
+ /* Replacement just got moved to main 'rdev' */
+ smp_mb();
+ rdev = conf->mirrors[d].rdev;
+ }
+ mbio = bio_clone_mddev(bio, GFP_NOIO, mddev);
+ md_trim_bio(mbio, r10_bio->sector - bio->bi_sector,
+ max_sectors);
+ r10_bio->devs[i].repl_bio = mbio;
+
+ mbio->bi_sector = (r10_bio->devs[i].addr +
+ choose_data_offset(
+ r10_bio, rdev));
+ mbio->bi_bdev = rdev->bdev;
+ mbio->bi_end_io = raid10_end_write_request;
+ mbio->bi_rw = WRITE | do_sync | do_fua | do_discard;
+ mbio->bi_private = r10_bio;
+
+ atomic_inc(&r10_bio->remaining);
+ spin_lock_irqsave(&conf->device_lock, flags);
bio_list_add(&conf->pending_bio_list, mbio);
conf->pending_count++;
+ spin_unlock_irqrestore(&conf->device_lock, flags);
+ if (!mddev_check_plugged(mddev))
+ md_wakeup_thread(mddev->thread);
}
- spin_unlock_irqrestore(&conf->device_lock, flags);
- if (!plug)
- md_wakeup_thread(mddev->thread);
-
- if (!r10_bio->devs[i].repl_bio)
- continue;
-
- mbio = bio_clone_mddev(bio, GFP_NOIO, mddev);
- md_trim_bio(mbio, r10_bio->sector - bio->bi_sector,
- max_sectors);
- r10_bio->devs[i].repl_bio = mbio;
-
- /* We are actively writing to the original device
- * so it cannot disappear, so the replacement cannot
- * become NULL here
- */
- mbio->bi_sector = (r10_bio->devs[i].addr +
- choose_data_offset(
- r10_bio,
- conf->mirrors[d].replacement));
- mbio->bi_bdev = conf->mirrors[d].replacement->bdev;
- mbio->bi_end_io = raid10_end_write_request;
- mbio->bi_rw = WRITE | do_sync | do_fua | do_discard;
- mbio->bi_private = r10_bio;
-
- atomic_inc(&r10_bio->remaining);
- spin_lock_irqsave(&conf->device_lock, flags);
- bio_list_add(&conf->pending_bio_list, mbio);
- conf->pending_count++;
- spin_unlock_irqrestore(&conf->device_lock, flags);
- if (!mddev_check_plugged(mddev))
- md_wakeup_thread(mddev->thread);
}
/* Don't remove the bias on 'remaining' (one_write_done) until
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index c5439dc..a450268 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2774,10 +2774,12 @@
dev = &sh->dev[i];
if (!test_bit(R5_LOCKED, &dev->flags) &&
(test_bit(R5_UPTODATE, &dev->flags) ||
- test_and_clear_bit(R5_Discard, &dev->flags))) {
+ test_bit(R5_Discard, &dev->flags))) {
/* We can return any write requests */
struct bio *wbi, *wbi2;
pr_debug("Return write for disc %d\n", i);
+ if (test_and_clear_bit(R5_Discard, &dev->flags))
+ clear_bit(R5_UPTODATE, &dev->flags);
wbi = dev->written;
dev->written = NULL;
while (wbi && wbi->bi_sector <
@@ -2795,7 +2797,8 @@
!test_bit(STRIPE_DEGRADED, &sh->state),
0);
}
- }
+ } else if (test_bit(R5_Discard, &sh->dev[i].flags))
+ clear_bit(R5_Discard, &sh->dev[i].flags);
if (test_and_clear_bit(STRIPE_FULL_WRITE, &sh->state))
if (atomic_dec_and_test(&conf->pending_full_writes))
@@ -3490,40 +3493,6 @@
handle_failed_sync(conf, sh, &s);
}
- /*
- * might be able to return some write requests if the parity blocks
- * are safe, or on a failed drive
- */
- pdev = &sh->dev[sh->pd_idx];
- s.p_failed = (s.failed >= 1 && s.failed_num[0] == sh->pd_idx)
- || (s.failed >= 2 && s.failed_num[1] == sh->pd_idx);
- qdev = &sh->dev[sh->qd_idx];
- s.q_failed = (s.failed >= 1 && s.failed_num[0] == sh->qd_idx)
- || (s.failed >= 2 && s.failed_num[1] == sh->qd_idx)
- || conf->level < 6;
-
- if (s.written &&
- (s.p_failed || ((test_bit(R5_Insync, &pdev->flags)
- && !test_bit(R5_LOCKED, &pdev->flags)
- && (test_bit(R5_UPTODATE, &pdev->flags) ||
- test_bit(R5_Discard, &pdev->flags))))) &&
- (s.q_failed || ((test_bit(R5_Insync, &qdev->flags)
- && !test_bit(R5_LOCKED, &qdev->flags)
- && (test_bit(R5_UPTODATE, &qdev->flags) ||
- test_bit(R5_Discard, &qdev->flags))))))
- handle_stripe_clean_event(conf, sh, disks, &s.return_bi);
-
- /* Now we might consider reading some blocks, either to check/generate
- * parity, or to satisfy requests
- * or to load a block that is being partially written.
- */
- if (s.to_read || s.non_overwrite
- || (conf->level == 6 && s.to_write && s.failed)
- || (s.syncing && (s.uptodate + s.compute < disks))
- || s.replacing
- || s.expanding)
- handle_stripe_fill(sh, &s, disks);
-
/* Now we check to see if any write operations have recently
* completed
*/
@@ -3561,6 +3530,40 @@
s.dec_preread_active = 1;
}
+ /*
+ * might be able to return some write requests if the parity blocks
+ * are safe, or on a failed drive
+ */
+ pdev = &sh->dev[sh->pd_idx];
+ s.p_failed = (s.failed >= 1 && s.failed_num[0] == sh->pd_idx)
+ || (s.failed >= 2 && s.failed_num[1] == sh->pd_idx);
+ qdev = &sh->dev[sh->qd_idx];
+ s.q_failed = (s.failed >= 1 && s.failed_num[0] == sh->qd_idx)
+ || (s.failed >= 2 && s.failed_num[1] == sh->qd_idx)
+ || conf->level < 6;
+
+ if (s.written &&
+ (s.p_failed || ((test_bit(R5_Insync, &pdev->flags)
+ && !test_bit(R5_LOCKED, &pdev->flags)
+ && (test_bit(R5_UPTODATE, &pdev->flags) ||
+ test_bit(R5_Discard, &pdev->flags))))) &&
+ (s.q_failed || ((test_bit(R5_Insync, &qdev->flags)
+ && !test_bit(R5_LOCKED, &qdev->flags)
+ && (test_bit(R5_UPTODATE, &qdev->flags) ||
+ test_bit(R5_Discard, &qdev->flags))))))
+ handle_stripe_clean_event(conf, sh, disks, &s.return_bi);
+
+ /* Now we might consider reading some blocks, either to check/generate
+ * parity, or to satisfy requests
+ * or to load a block that is being partially written.
+ */
+ if (s.to_read || s.non_overwrite
+ || (conf->level == 6 && s.to_write && s.failed)
+ || (s.syncing && (s.uptodate + s.compute < disks))
+ || s.replacing
+ || s.expanding)
+ handle_stripe_fill(sh, &s, disks);
+
/* Now to consider new write requests and what else, if anything
* should be read. We do not handle new writes when:
* 1/ A 'write' operation (copy+xor) is already in flight.
@@ -5529,6 +5532,10 @@
* discard data disk but write parity disk
*/
stripe = stripe * PAGE_SIZE;
+ /* Round up to power of 2, as discard handling
+ * currently assumes that */
+ while ((stripe-1) & stripe)
+ stripe = (stripe | (stripe-1)) + 1;
mddev->queue->limits.discard_alignment = stripe;
mddev->queue->limits.discard_granularity = stripe;
/*
diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index 01b9255..b829a57 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -775,6 +775,7 @@
{ 0x00000154, 0x0000 }, /* R340 - Rate Estimator 3 */
{ 0x00000155, 0x0000 }, /* R341 - Rate Estimator 4 */
{ 0x00000156, 0x0000 }, /* R342 - Rate Estimator 5 */
+ { 0x00000161, 0x0000 }, /* R353 - Dynamic Frequency Scaling 1 */
{ 0x00000171, 0x0000 }, /* R369 - FLL1 Control 1 */
{ 0x00000172, 0x0008 }, /* R370 - FLL1 Control 2 */
{ 0x00000173, 0x0018 }, /* R371 - FLL1 Control 3 */
@@ -1564,6 +1565,7 @@
case ARIZONA_RATE_ESTIMATOR_3:
case ARIZONA_RATE_ESTIMATOR_4:
case ARIZONA_RATE_ESTIMATOR_5:
+ case ARIZONA_DYNAMIC_FREQUENCY_SCALING_1:
case ARIZONA_FLL1_CONTROL_1:
case ARIZONA_FLL1_CONTROL_2:
case ARIZONA_FLL1_CONTROL_3:
@@ -1596,6 +1598,7 @@
case ARIZONA_FLL2_GPIO_CLOCK:
case ARIZONA_MIC_CHARGE_PUMP_1:
case ARIZONA_LDO1_CONTROL_1:
+ case ARIZONA_LDO1_CONTROL_2:
case ARIZONA_LDO2_CONTROL_1:
case ARIZONA_MIC_BIAS_CTRL_1:
case ARIZONA_MIC_BIAS_CTRL_2:
diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c
index 8f52fc8..5a5cd2a 100644
--- a/drivers/mtd/devices/slram.c
+++ b/drivers/mtd/devices/slram.c
@@ -240,7 +240,7 @@
if (*(szlength) != '+') {
devlength = simple_strtoul(szlength, &buffer, 0);
- devlength = handle_unit(devlength, buffer) - devstart;
+ devlength = handle_unit(devlength, buffer);
if (devlength < devstart)
goto err_out;
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index ec6841d..1a03b7f 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2983,13 +2983,15 @@
/*
* Field definitions are in the following datasheets:
* Old style (4,5 byte ID): Samsung K9GAG08U0M (p.32)
- * New style (6 byte ID): Samsung K9GAG08U0F (p.44)
+ * New Samsung (6 byte ID): Samsung K9GAG08U0F (p.44)
* Hynix MLC (6 byte ID): Hynix H27UBG8T2B (p.22)
*
- * Check for ID length, cell type, and Hynix/Samsung ID to decide what
- * to do.
+ * Check for ID length, non-zero 6th byte, cell type, and Hynix/Samsung
+ * ID to decide what to do.
*/
- if (id_len == 6 && id_data[0] == NAND_MFR_SAMSUNG) {
+ if (id_len == 6 && id_data[0] == NAND_MFR_SAMSUNG &&
+ (chip->cellinfo & NAND_CI_CELLTYPE_MSK) &&
+ id_data[5] != 0x00) {
/* Calc pagesize */
mtd->writesize = 2048 << (extid & 0x03);
extid >>= 2;
diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c
index 64be8f08..d9127e2 100644
--- a/drivers/mtd/ofpart.c
+++ b/drivers/mtd/ofpart.c
@@ -121,7 +121,7 @@
nr_parts = plen / sizeof(part[0]);
*pparts = kzalloc(nr_parts * sizeof(*(*pparts)), GFP_KERNEL);
- if (!pparts)
+ if (!*pparts)
return -ENOMEM;
names = of_get_property(dp, "partition-names", &plen);
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 7153e0d2..b3f41f2 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -3694,7 +3694,7 @@
* flexonenand_set_boundary - Writes the SLC boundary
* @param mtd - mtd info structure
*/
-int flexonenand_set_boundary(struct mtd_info *mtd, int die,
+static int flexonenand_set_boundary(struct mtd_info *mtd, int die,
int boundary, int lock)
{
struct onenand_chip *this = mtd->priv;
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index b2530b0..5f5b69f 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1379,6 +1379,8 @@
struct net_device *bond_dev = bond->dev;
netdev_features_t vlan_features = BOND_VLAN_FEATURES;
unsigned short max_hard_header_len = ETH_HLEN;
+ unsigned int gso_max_size = GSO_MAX_SIZE;
+ u16 gso_max_segs = GSO_MAX_SEGS;
int i;
unsigned int flags, dst_release_flag = IFF_XMIT_DST_RELEASE;
@@ -1394,11 +1396,16 @@
dst_release_flag &= slave->dev->priv_flags;
if (slave->dev->hard_header_len > max_hard_header_len)
max_hard_header_len = slave->dev->hard_header_len;
+
+ gso_max_size = min(gso_max_size, slave->dev->gso_max_size);
+ gso_max_segs = min(gso_max_segs, slave->dev->gso_max_segs);
}
done:
bond_dev->vlan_features = vlan_features;
bond_dev->hard_header_len = max_hard_header_len;
+ bond_dev->gso_max_segs = gso_max_segs;
+ netif_set_gso_max_size(bond_dev, gso_max_size);
flags = bond_dev->priv_flags & ~IFF_XMIT_DST_RELEASE;
bond_dev->priv_flags = flags | dst_release_flag;
diff --git a/drivers/net/ethernet/8390/ne.c b/drivers/net/ethernet/8390/ne.c
index d04911d..47618e5 100644
--- a/drivers/net/ethernet/8390/ne.c
+++ b/drivers/net/ethernet/8390/ne.c
@@ -813,6 +813,7 @@
dev->irq = irq[this_dev];
dev->mem_end = bad[this_dev];
}
+ SET_NETDEV_DEV(dev, &pdev->dev);
err = do_ne_probe(dev);
if (err) {
free_netdev(dev);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index bd1fd3d..01611b3 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -9545,10 +9545,13 @@
*/
static void __devinit bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
{
- u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
- if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
- BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
- REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, 1 << BP_FUNC(bp));
+ if (!CHIP_IS_E1x(bp)) {
+ u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
+ if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
+ BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
+ REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR,
+ 1 << BP_FUNC(bp));
+ }
}
}
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index 1c81825..b01f83a 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -979,17 +979,6 @@
cpw32_f (MAC0 + 0, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0)));
cpw32_f (MAC0 + 4, le32_to_cpu (*(__le32 *) (dev->dev_addr + 4)));
- cpw32_f(HiTxRingAddr, 0);
- cpw32_f(HiTxRingAddr + 4, 0);
-
- ring_dma = cp->ring_dma;
- cpw32_f(RxRingAddr, ring_dma & 0xffffffff);
- cpw32_f(RxRingAddr + 4, (ring_dma >> 16) >> 16);
-
- ring_dma += sizeof(struct cp_desc) * CP_RX_RING_SIZE;
- cpw32_f(TxRingAddr, ring_dma & 0xffffffff);
- cpw32_f(TxRingAddr + 4, (ring_dma >> 16) >> 16);
-
cp_start_hw(cp);
cpw8(TxThresh, 0x06); /* XXX convert magic num to a constant */
@@ -1003,6 +992,17 @@
cpw8(Config5, cpr8(Config5) & PMEStatus);
+ cpw32_f(HiTxRingAddr, 0);
+ cpw32_f(HiTxRingAddr + 4, 0);
+
+ ring_dma = cp->ring_dma;
+ cpw32_f(RxRingAddr, ring_dma & 0xffffffff);
+ cpw32_f(RxRingAddr + 4, (ring_dma >> 16) >> 16);
+
+ ring_dma += sizeof(struct cp_desc) * CP_RX_RING_SIZE;
+ cpw32_f(TxRingAddr, ring_dma & 0xffffffff);
+ cpw32_f(TxRingAddr + 4, (ring_dma >> 16) >> 16);
+
cpw16(MultiIntr, 0);
cpw8_f(Cfg9346, Cfg9346_Lock);
diff --git a/drivers/net/ethernet/sis/sis900.c b/drivers/net/ethernet/sis/sis900.c
index fb9f6b3..edf5edb 100644
--- a/drivers/net/ethernet/sis/sis900.c
+++ b/drivers/net/ethernet/sis/sis900.c
@@ -2479,7 +2479,7 @@
netif_start_queue(net_dev);
/* Workaround for EDB */
- sis900_set_mode(ioaddr, HW_SPEED_10_MBPS, FDX_CAPABLE_HALF_SELECTED);
+ sis900_set_mode(sis_priv, HW_SPEED_10_MBPS, FDX_CAPABLE_HALF_SELECTED);
/* Enable all known interrupts by setting the interrupt mask. */
sw32(imr, RxSOVR | RxORN | RxERR | RxOK | TxURN | TxERR | TxIDLE);
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index 77e6db9..a788501 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -894,6 +894,8 @@
return IRQ_HANDLED;
}
+static void axienet_dma_err_handler(unsigned long data);
+
/**
* axienet_open - Driver open routine.
* @ndev: Pointer to net_device structure
diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c
index 98934bd..477d672 100644
--- a/drivers/net/ethernet/xscale/ixp4xx_eth.c
+++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c
@@ -1102,10 +1102,12 @@
{
int i;
- if (!ports_open)
- if (!(dma_pool = dma_pool_create(DRV_NAME, NULL,
- POOL_ALLOC_SIZE, 32, 0)))
+ if (!ports_open) {
+ dma_pool = dma_pool_create(DRV_NAME, &port->netdev->dev,
+ POOL_ALLOC_SIZE, 32, 0);
+ if (!dma_pool)
return -ENOMEM;
+ }
if (!(port->desc_tab = dma_pool_alloc(dma_pool, GFP_KERNEL,
&port->desc_tab_phys)))
diff --git a/drivers/net/irda/sir_dev.c b/drivers/net/irda/sir_dev.c
index 5039f08..43e9ab4 100644
--- a/drivers/net/irda/sir_dev.c
+++ b/drivers/net/irda/sir_dev.c
@@ -222,7 +222,7 @@
break;
case SIRDEV_STATE_DONGLE_SPEED:
- if (dev->dongle_drv->reset) {
+ if (dev->dongle_drv->set_speed) {
ret = dev->dongle_drv->set_speed(dev, fsm->param);
if (ret < 0) {
fsm->result = ret;
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 899274f..2ed1140 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -185,17 +185,20 @@
{
struct mdio_gpio_platform_data *pdata;
struct mii_bus *new_bus;
- int ret;
+ int ret, bus_id;
- if (pdev->dev.of_node)
+ if (pdev->dev.of_node) {
pdata = mdio_gpio_of_get_data(pdev);
- else
+ bus_id = of_alias_get_id(pdev->dev.of_node, "mdio-gpio");
+ } else {
pdata = pdev->dev.platform_data;
+ bus_id = pdev->id;
+ }
if (!pdata)
return -ENODEV;
- new_bus = mdio_gpio_bus_init(&pdev->dev, pdata, pdev->id);
+ new_bus = mdio_gpio_bus_init(&pdev->dev, pdata, bus_id);
if (!new_bus)
return -ENODEV;
diff --git a/drivers/net/team/team_mode_broadcast.c b/drivers/net/team/team_mode_broadcast.c
index 9db0171..c5db428 100644
--- a/drivers/net/team/team_mode_broadcast.c
+++ b/drivers/net/team/team_mode_broadcast.c
@@ -29,8 +29,8 @@
if (last) {
skb2 = skb_clone(skb, GFP_ATOMIC);
if (skb2) {
- ret = team_dev_queue_xmit(team, last,
- skb2);
+ ret = !team_dev_queue_xmit(team, last,
+ skb2);
if (!sum_ret)
sum_ret = ret;
}
@@ -39,7 +39,7 @@
}
}
if (last) {
- ret = team_dev_queue_xmit(team, last, skb);
+ ret = !team_dev_queue_xmit(team, last, skb);
if (!sum_ret)
sum_ret = ret;
}
diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
index 3f575af..e9a3da5 100644
--- a/drivers/net/wan/ixp4xx_hss.c
+++ b/drivers/net/wan/ixp4xx_hss.c
@@ -969,10 +969,12 @@
{
int i;
- if (!ports_open)
- if (!(dma_pool = dma_pool_create(DRV_NAME, NULL,
- POOL_ALLOC_SIZE, 32, 0)))
+ if (!ports_open) {
+ dma_pool = dma_pool_create(DRV_NAME, &port->netdev->dev,
+ POOL_ALLOC_SIZE, 32, 0);
+ if (!dma_pool)
return -ENOMEM;
+ }
if (!(port->desc_tab = dma_pool_alloc(dma_pool, GFP_KERNEL,
&port->desc_tab_phys)))
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 8e1559a..1829b44 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1456,7 +1456,7 @@
switch (type) {
case ATH9K_RESET_POWER_ON:
ret = ath9k_hw_set_reset_power_on(ah);
- if (!ret)
+ if (ret)
ah->reset_power_on = true;
break;
case ATH9K_RESET_WARM:
diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
index fa4d1b8..2d9eee9 100644
--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
@@ -1354,6 +1354,20 @@
vif_priv->ctx = ctx;
ctx->vif = vif;
+ /*
+ * In SNIFFER device type, the firmware reports the FCS to
+ * the host, rather than snipping it off. Unfortunately,
+ * mac80211 doesn't (yet) provide a per-packet flag for
+ * this, so that we have to set the hardware flag based
+ * on the interfaces added. As the monitor interface can
+ * only be present by itself, and will be removed before
+ * other interfaces are added, this is safe.
+ */
+ if (vif->type == NL80211_IFTYPE_MONITOR)
+ priv->hw->flags |= IEEE80211_HW_RX_INCLUDES_FCS;
+ else
+ priv->hw->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS;
+
err = iwl_setup_interface(priv, ctx);
if (!err || reset)
goto out;
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index 105e3af..79a4ddc 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -480,20 +480,12 @@
void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- u16 rd_ptr, wr_ptr;
- int n_bd = trans_pcie->txq[txq_id].q.n_bd;
if (!test_and_clear_bit(txq_id, trans_pcie->queue_used)) {
WARN_ONCE(1, "queue %d not used", txq_id);
return;
}
- rd_ptr = iwl_read_prph(trans, SCD_QUEUE_RDPTR(txq_id)) & (n_bd - 1);
- wr_ptr = iwl_read_prph(trans, SCD_QUEUE_WRPTR(txq_id));
-
- WARN_ONCE(rd_ptr != wr_ptr, "queue %d isn't empty: [%d,%d]",
- txq_id, rd_ptr, wr_ptr);
-
iwl_txq_set_inactive(trans, txq_id);
IWL_DEBUG_TX_QUEUES(trans, "Deactivate queue %d\n", txq_id);
}
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index 8d46510..ae9010e 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -890,9 +890,6 @@
return;
}
cmd_node = adapter->curr_cmd;
- if (cmd_node->wait_q_enabled)
- adapter->cmd_wait_q.status = -ETIMEDOUT;
-
if (cmd_node) {
adapter->dbg.timeout_cmd_id =
adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index];
@@ -938,6 +935,14 @@
dev_err(adapter->dev, "ps_mode=%d ps_state=%d\n",
adapter->ps_mode, adapter->ps_state);
+
+ if (cmd_node->wait_q_enabled) {
+ adapter->cmd_wait_q.status = -ETIMEDOUT;
+ wake_up_interruptible(&adapter->cmd_wait_q.wait);
+ mwifiex_cancel_pending_ioctl(adapter);
+ /* reset cmd_sent flag to unblock new commands */
+ adapter->cmd_sent = false;
+ }
}
if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
mwifiex_init_fw_complete(adapter);
diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index fc8a9bf..82cf0fa 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -161,7 +161,6 @@
struct sdio_mmc_card *card;
struct mwifiex_adapter *adapter;
mmc_pm_flag_t pm_flag = 0;
- int hs_actived = 0;
int i;
int ret = 0;
@@ -188,12 +187,14 @@
adapter = card->adapter;
/* Enable the Host Sleep */
- hs_actived = mwifiex_enable_hs(adapter);
- if (hs_actived) {
- pr_debug("cmd: suspend with MMC_PM_KEEP_POWER\n");
- ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
+ if (!mwifiex_enable_hs(adapter)) {
+ dev_err(adapter->dev, "cmd: failed to suspend\n");
+ return -EFAULT;
}
+ dev_dbg(adapter->dev, "cmd: suspend with MMC_PM_KEEP_POWER\n");
+ ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
+
/* Indicate device suspended */
adapter->is_suspended = true;
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
index 9970c2b..b7e6607 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
@@ -297,6 +297,7 @@
/*=== Customer ID ===*/
/****** 8188CU ********/
{RTL_USB_DEVICE(0x050d, 0x1102, rtl92cu_hal_cfg)}, /*Belkin - Edimax*/
+ {RTL_USB_DEVICE(0x050d, 0x11f2, rtl92cu_hal_cfg)}, /*Belkin - ISY*/
{RTL_USB_DEVICE(0x06f8, 0xe033, rtl92cu_hal_cfg)}, /*Hercules - Edimax*/
{RTL_USB_DEVICE(0x07b8, 0x8188, rtl92cu_hal_cfg)}, /*Abocom - Abocom*/
{RTL_USB_DEVICE(0x07b8, 0x8189, rtl92cu_hal_cfg)}, /*Funai - Abocom*/
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index caa0110..fc24eb9 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -452,29 +452,85 @@
/* Grant backend access to each skb fragment page. */
for (i = 0; i < frags; i++) {
skb_frag_t *frag = skb_shinfo(skb)->frags + i;
+ struct page *page = skb_frag_page(frag);
- tx->flags |= XEN_NETTXF_more_data;
+ len = skb_frag_size(frag);
+ offset = frag->page_offset;
- id = get_id_from_freelist(&np->tx_skb_freelist, np->tx_skbs);
- np->tx_skbs[id].skb = skb_get(skb);
- tx = RING_GET_REQUEST(&np->tx, prod++);
- tx->id = id;
- ref = gnttab_claim_grant_reference(&np->gref_tx_head);
- BUG_ON((signed short)ref < 0);
+ /* Data must not cross a page boundary. */
+ BUG_ON(len + offset > PAGE_SIZE<<compound_order(page));
- mfn = pfn_to_mfn(page_to_pfn(skb_frag_page(frag)));
- gnttab_grant_foreign_access_ref(ref, np->xbdev->otherend_id,
- mfn, GNTMAP_readonly);
+ /* Skip unused frames from start of page */
+ page += offset >> PAGE_SHIFT;
+ offset &= ~PAGE_MASK;
- tx->gref = np->grant_tx_ref[id] = ref;
- tx->offset = frag->page_offset;
- tx->size = skb_frag_size(frag);
- tx->flags = 0;
+ while (len > 0) {
+ unsigned long bytes;
+
+ BUG_ON(offset >= PAGE_SIZE);
+
+ bytes = PAGE_SIZE - offset;
+ if (bytes > len)
+ bytes = len;
+
+ tx->flags |= XEN_NETTXF_more_data;
+
+ id = get_id_from_freelist(&np->tx_skb_freelist,
+ np->tx_skbs);
+ np->tx_skbs[id].skb = skb_get(skb);
+ tx = RING_GET_REQUEST(&np->tx, prod++);
+ tx->id = id;
+ ref = gnttab_claim_grant_reference(&np->gref_tx_head);
+ BUG_ON((signed short)ref < 0);
+
+ mfn = pfn_to_mfn(page_to_pfn(page));
+ gnttab_grant_foreign_access_ref(ref,
+ np->xbdev->otherend_id,
+ mfn, GNTMAP_readonly);
+
+ tx->gref = np->grant_tx_ref[id] = ref;
+ tx->offset = offset;
+ tx->size = bytes;
+ tx->flags = 0;
+
+ offset += bytes;
+ len -= bytes;
+
+ /* Next frame */
+ if (offset == PAGE_SIZE && len) {
+ BUG_ON(!PageCompound(page));
+ page++;
+ offset = 0;
+ }
+ }
}
np->tx.req_prod_pvt = prod;
}
+/*
+ * Count how many ring slots are required to send the frags of this
+ * skb. Each frag might be a compound page.
+ */
+static int xennet_count_skb_frag_slots(struct sk_buff *skb)
+{
+ int i, frags = skb_shinfo(skb)->nr_frags;
+ int pages = 0;
+
+ for (i = 0; i < frags; i++) {
+ skb_frag_t *frag = skb_shinfo(skb)->frags + i;
+ unsigned long size = skb_frag_size(frag);
+ unsigned long offset = frag->page_offset;
+
+ /* Skip unused frames from start of page */
+ offset &= ~PAGE_MASK;
+
+ pages += PFN_UP(offset + size);
+ }
+
+ return pages;
+}
+
static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
unsigned short id;
@@ -487,23 +543,23 @@
grant_ref_t ref;
unsigned long mfn;
int notify;
- int frags = skb_shinfo(skb)->nr_frags;
+ int slots;
unsigned int offset = offset_in_page(data);
unsigned int len = skb_headlen(skb);
unsigned long flags;
- frags += DIV_ROUND_UP(offset + len, PAGE_SIZE);
- if (unlikely(frags > MAX_SKB_FRAGS + 1)) {
- printk(KERN_ALERT "xennet: skb rides the rocket: %d frags\n",
- frags);
- dump_stack();
+ slots = DIV_ROUND_UP(offset + len, PAGE_SIZE) +
+ xennet_count_skb_frag_slots(skb);
+ if (unlikely(slots > MAX_SKB_FRAGS + 1)) {
+ net_alert_ratelimited(
+ "xennet: skb rides the rocket: %d slots\n", slots);
goto drop;
}
spin_lock_irqsave(&np->tx_lock, flags);
if (unlikely(!netif_carrier_ok(dev) ||
- (frags > 1 && !xennet_can_sg(dev)) ||
+ (slots > 1 && !xennet_can_sg(dev)) ||
netif_needs_gso(skb, netif_skb_features(skb)))) {
spin_unlock_irqrestore(&np->tx_lock, flags);
goto drop;
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index 97c440a..30ae18a 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -698,13 +698,14 @@
cmd = list_first_entry(&dev->cmd_queue, struct pn533_cmd, queue);
+ list_del(&cmd->queue);
+
mutex_unlock(&dev->cmd_lock);
__pn533_send_cmd_frame_async(dev, cmd->out_frame, cmd->in_frame,
cmd->in_frame_len, cmd->cmd_complete,
cmd->arg, cmd->flags);
- list_del(&cmd->queue);
kfree(cmd);
}
@@ -1678,11 +1679,14 @@
static int pn533_in_dep_link_up_complete(struct pn533 *dev, void *arg,
u8 *params, int params_len)
{
- struct pn533_cmd_jump_dep *cmd;
struct pn533_cmd_jump_dep_response *resp;
struct nfc_target nfc_target;
u8 target_gt_len;
int rc;
+ struct pn533_cmd_jump_dep *cmd = (struct pn533_cmd_jump_dep *)arg;
+ u8 active = cmd->active;
+
+ kfree(arg);
if (params_len == -ENOENT) {
nfc_dev_dbg(&dev->interface->dev, "");
@@ -1704,7 +1708,6 @@
}
resp = (struct pn533_cmd_jump_dep_response *) params;
- cmd = (struct pn533_cmd_jump_dep *) arg;
rc = resp->status & PN533_CMD_RET_MASK;
if (rc != PN533_CMD_RET_SUCCESS) {
nfc_dev_err(&dev->interface->dev,
@@ -1734,7 +1737,7 @@
if (rc == 0)
rc = nfc_dep_link_is_up(dev->nfc_dev,
dev->nfc_dev->targets[0].idx,
- !cmd->active, NFC_RF_INITIATOR);
+ !active, NFC_RF_INITIATOR);
return 0;
}
@@ -1819,12 +1822,8 @@
rc = pn533_send_cmd_frame_async(dev, dev->out_frame, dev->in_frame,
dev->in_maxlen, pn533_in_dep_link_up_complete,
cmd, GFP_KERNEL);
- if (rc)
- goto out;
-
-
-out:
- kfree(cmd);
+ if (rc < 0)
+ kfree(cmd);
return rc;
}
@@ -2078,8 +2077,12 @@
static int pn533_tm_send_complete(struct pn533 *dev, void *arg,
u8 *params, int params_len)
{
+ struct sk_buff *skb_out = arg;
+
nfc_dev_dbg(&dev->interface->dev, "%s", __func__);
+ dev_kfree_skb(skb_out);
+
if (params_len < 0) {
nfc_dev_err(&dev->interface->dev,
"Error %d when sending data",
@@ -2117,7 +2120,7 @@
rc = pn533_send_cmd_frame_async(dev, out_frame, dev->in_frame,
dev->in_maxlen, pn533_tm_send_complete,
- NULL, GFP_KERNEL);
+ skb, GFP_KERNEL);
if (rc) {
nfc_dev_err(&dev->interface->dev,
"Error %d when trying to send data", rc);
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index d96caefd..aeecf0f 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -178,7 +178,7 @@
ports of 8 GPIO pins each.
config PINCTRL_SAMSUNG
- bool "Samsung pinctrl driver"
+ bool
depends on OF && GPIOLIB
select PINMUX
select PINCONF
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 0ae658f..551a22b 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -109,6 +109,16 @@
This driver supports the voltage regulators of DA9052-BC and
DA9053-AA/Bx PMIC.
+config REGULATOR_DA9055
+ tristate "Dialog Semiconductor DA9055 regulators"
+ depends on MFD_DA9055
+ help
+ Say y here to support the BUCKs and LDOs regulators found on
+ Dialog Semiconductor DA9055 PMIC.
+
+ This driver can also be built as a module. If so, the module
+ will be called da9055-regulator.
+
config REGULATOR_FAN53555
tristate "Fairchild FAN53555 Regulator"
depends on I2C
@@ -204,6 +214,16 @@
via I2C bus. Maxim 8952 has one voltage output and supports 4 DVS
modes ranging from 0.77V to 1.40V by 0.01V steps.
+config REGULATOR_MAX8973
+ tristate "Maxim MAX8973 voltage regulator "
+ depends on I2C
+ select REGMAP_I2C
+ help
+ The MAXIM MAX8973 high-efficiency. three phase, DC-DC step-down
+ switching regulator delievers up to 9A of output current. Each
+ phase operates at a 2MHz fixed frequency with a 120 deg shift
+ from the adjacent phase, allowing the use of small magnetic component.
+
config REGULATOR_MAX8997
tristate "Maxim 8997/8966 regulator"
depends on MFD_MAX8997
@@ -477,5 +497,12 @@
This driver provides support for the voltage regulators on the
WM8994 CODEC.
+config REGULATOR_AS3711
+ tristate "AS3711 PMIC"
+ depends on MFD_AS3711
+ help
+ This driver provides support for the voltage regulators on the
+ AS3711 PMIC
+
endif
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 6166d12..b802b0c 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -16,8 +16,10 @@
obj-$(CONFIG_REGULATOR_AD5398) += ad5398.o
obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o
obj-$(CONFIG_REGULATOR_ARIZONA) += arizona-micsupp.o arizona-ldo1.o
+obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o
+obj-$(CONFIG_REGULATOR_DA9055) += da9055-regulator.o
obj-$(CONFIG_REGULATOR_DBX500_PRCMU) += dbx500-prcmu.o
obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
obj-$(CONFIG_REGULATOR_FAN53555) += fan53555.o
@@ -34,6 +36,7 @@
obj-$(CONFIG_REGULATOR_MAX8907) += max8907-regulator.o
obj-$(CONFIG_REGULATOR_MAX8925) += max8925-regulator.o
obj-$(CONFIG_REGULATOR_MAX8952) += max8952.o
+obj-$(CONFIG_REGULATOR_MAX8973) += max8973-regulator.o
obj-$(CONFIG_REGULATOR_MAX8997) += max8997.o
obj-$(CONFIG_REGULATOR_MAX8998) += max8998.o
obj-$(CONFIG_REGULATOR_MAX77686) += max77686.o
diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c
index b44fa6f..ed7beec 100644
--- a/drivers/regulator/arizona-ldo1.c
+++ b/drivers/regulator/arizona-ldo1.c
@@ -34,6 +34,108 @@
struct regulator_init_data init_data;
};
+static int arizona_ldo1_hc_list_voltage(struct regulator_dev *rdev,
+ unsigned int selector)
+{
+ if (selector >= rdev->desc->n_voltages)
+ return -EINVAL;
+
+ if (selector == rdev->desc->n_voltages - 1)
+ return 1800000;
+ else
+ return rdev->desc->min_uV + (rdev->desc->uV_step * selector);
+}
+
+static int arizona_ldo1_hc_map_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ int sel;
+
+ sel = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step);
+ if (sel >= rdev->desc->n_voltages)
+ sel = rdev->desc->n_voltages - 1;
+
+ return sel;
+}
+
+static int arizona_ldo1_hc_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned sel)
+{
+ struct arizona_ldo1 *ldo = rdev_get_drvdata(rdev);
+ struct regmap *regmap = ldo->arizona->regmap;
+ unsigned int val;
+ int ret;
+
+ if (sel == rdev->desc->n_voltages - 1)
+ val = ARIZONA_LDO1_HI_PWR;
+ else
+ val = 0;
+
+ ret = regmap_update_bits(regmap, ARIZONA_LDO1_CONTROL_2,
+ ARIZONA_LDO1_HI_PWR, val);
+ if (ret != 0)
+ return ret;
+
+ ret = regmap_update_bits(regmap, ARIZONA_DYNAMIC_FREQUENCY_SCALING_1,
+ ARIZONA_SUBSYS_MAX_FREQ, val);
+ if (ret != 0)
+ return ret;
+
+ if (val)
+ return 0;
+
+ val = sel << ARIZONA_LDO1_VSEL_SHIFT;
+
+ return regmap_update_bits(regmap, ARIZONA_LDO1_CONTROL_1,
+ ARIZONA_LDO1_VSEL_MASK, val);
+}
+
+static int arizona_ldo1_hc_get_voltage_sel(struct regulator_dev *rdev)
+{
+ struct arizona_ldo1 *ldo = rdev_get_drvdata(rdev);
+ struct regmap *regmap = ldo->arizona->regmap;
+ unsigned int val;
+ int ret;
+
+ ret = regmap_read(regmap, ARIZONA_LDO1_CONTROL_2, &val);
+ if (ret != 0)
+ return ret;
+
+ if (val & ARIZONA_LDO1_HI_PWR)
+ return rdev->desc->n_voltages - 1;
+
+ ret = regmap_read(regmap, ARIZONA_LDO1_CONTROL_1, &val);
+ if (ret != 0)
+ return ret;
+
+ return (val & ARIZONA_LDO1_VSEL_MASK) >> ARIZONA_LDO1_VSEL_SHIFT;
+}
+
+static struct regulator_ops arizona_ldo1_hc_ops = {
+ .list_voltage = arizona_ldo1_hc_list_voltage,
+ .map_voltage = arizona_ldo1_hc_map_voltage,
+ .get_voltage_sel = arizona_ldo1_hc_get_voltage_sel,
+ .set_voltage_sel = arizona_ldo1_hc_set_voltage_sel,
+ .get_bypass = regulator_get_bypass_regmap,
+ .set_bypass = regulator_set_bypass_regmap,
+};
+
+static const struct regulator_desc arizona_ldo1_hc = {
+ .name = "LDO1",
+ .supply_name = "LDOVDD",
+ .type = REGULATOR_VOLTAGE,
+ .ops = &arizona_ldo1_hc_ops,
+
+ .bypass_reg = ARIZONA_LDO1_CONTROL_1,
+ .bypass_mask = ARIZONA_LDO1_BYPASS,
+ .min_uV = 900000,
+ .uV_step = 50000,
+ .n_voltages = 8,
+ .enable_time = 500,
+
+ .owner = THIS_MODULE,
+};
+
static struct regulator_ops arizona_ldo1_ops = {
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
@@ -55,11 +157,22 @@
.bypass_mask = ARIZONA_LDO1_BYPASS,
.min_uV = 900000,
.uV_step = 50000,
- .n_voltages = 6,
+ .n_voltages = 7,
+ .enable_time = 500,
.owner = THIS_MODULE,
};
+static const struct regulator_init_data arizona_ldo1_dvfs = {
+ .constraints = {
+ .min_uV = 1200000,
+ .max_uV = 1800000,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS |
+ REGULATOR_CHANGE_VOLTAGE,
+ },
+ .num_consumer_supplies = 1,
+};
+
static const struct regulator_init_data arizona_ldo1_default = {
.constraints = {
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
@@ -70,6 +183,7 @@
static int arizona_ldo1_probe(struct platform_device *pdev)
{
struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
+ const struct regulator_desc *desc;
struct regulator_config config = { };
struct arizona_ldo1 *ldo1;
int ret;
@@ -87,7 +201,17 @@
* default init_data for it. This will be overridden with
* platform data if provided.
*/
- ldo1->init_data = arizona_ldo1_default;
+ switch (arizona->type) {
+ case WM5102:
+ desc = &arizona_ldo1_hc;
+ ldo1->init_data = arizona_ldo1_dvfs;
+ break;
+ default:
+ desc = &arizona_ldo1;
+ ldo1->init_data = arizona_ldo1_default;
+ break;
+ }
+
ldo1->init_data.consumer_supplies = &ldo1->supply;
ldo1->supply.supply = "DCVDD";
ldo1->supply.dev_name = dev_name(arizona->dev);
@@ -102,7 +226,7 @@
else
config.init_data = &ldo1->init_data;
- ldo1->regulator = regulator_register(&arizona_ldo1, &config);
+ ldo1->regulator = regulator_register(desc, &config);
if (IS_ERR(ldo1->regulator)) {
ret = PTR_ERR(ldo1->regulator);
dev_err(arizona->dev, "Failed to register LDO1 supply: %d\n",
diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c
index 5ae2d3e..a6d040c 100644
--- a/drivers/regulator/arizona-micsupp.c
+++ b/drivers/regulator/arizona-micsupp.c
@@ -101,6 +101,8 @@
.bypass_reg = ARIZONA_MIC_CHARGE_PUMP_1,
.bypass_mask = ARIZONA_CPMIC_BYPASS,
+ .enable_time = 3000,
+
.owner = THIS_MODULE,
};
diff --git a/drivers/regulator/as3711-regulator.c b/drivers/regulator/as3711-regulator.c
new file mode 100644
index 0000000..2f1341d
--- /dev/null
+++ b/drivers/regulator/as3711-regulator.c
@@ -0,0 +1,369 @@
+/*
+ * AS3711 PMIC regulator driver, using DCDC Step Down and LDO supplies
+ *
+ * Copyright (C) 2012 Renesas Electronics Corporation
+ * Author: Guennadi Liakhovetski, <g.liakhovetski@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the version 2 of the GNU General Public License as
+ * published by the Free Software Foundation
+ */
+
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/mfd/as3711.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+#include <linux/slab.h>
+
+struct as3711_regulator_info {
+ struct regulator_desc desc;
+ unsigned int max_uV;
+};
+
+struct as3711_regulator {
+ struct as3711_regulator_info *reg_info;
+ struct regulator_dev *rdev;
+};
+
+static int as3711_list_voltage_sd(struct regulator_dev *rdev,
+ unsigned int selector)
+{
+ if (selector >= rdev->desc->n_voltages)
+ return -EINVAL;
+
+ if (!selector)
+ return 0;
+ if (selector < 0x41)
+ return 600000 + selector * 12500;
+ if (selector < 0x71)
+ return 1400000 + (selector - 0x40) * 25000;
+ return 2600000 + (selector - 0x70) * 50000;
+}
+
+static int as3711_list_voltage_aldo(struct regulator_dev *rdev,
+ unsigned int selector)
+{
+ if (selector >= rdev->desc->n_voltages)
+ return -EINVAL;
+
+ if (selector < 0x10)
+ return 1200000 + selector * 50000;
+ return 1800000 + (selector - 0x10) * 100000;
+}
+
+static int as3711_list_voltage_dldo(struct regulator_dev *rdev,
+ unsigned int selector)
+{
+ if (selector >= rdev->desc->n_voltages ||
+ (selector > 0x10 && selector < 0x20))
+ return -EINVAL;
+
+ if (selector < 0x11)
+ return 900000 + selector * 50000;
+ return 1750000 + (selector - 0x20) * 50000;
+}
+
+static int as3711_bound_check(struct regulator_dev *rdev,
+ int *min_uV, int *max_uV)
+{
+ struct as3711_regulator *reg = rdev_get_drvdata(rdev);
+ struct as3711_regulator_info *info = reg->reg_info;
+
+ dev_dbg(&rdev->dev, "%s(), %d, %d, %d\n", __func__,
+ *min_uV, rdev->desc->min_uV, info->max_uV);
+
+ if (*max_uV < *min_uV ||
+ *min_uV > info->max_uV || rdev->desc->min_uV > *max_uV)
+ return -EINVAL;
+
+ if (rdev->desc->n_voltages == 1)
+ return 0;
+
+ if (*max_uV > info->max_uV)
+ *max_uV = info->max_uV;
+
+ if (*min_uV < rdev->desc->min_uV)
+ *min_uV = rdev->desc->min_uV;
+
+ return *min_uV;
+}
+
+static int as3711_sel_check(int min, int max, int bottom, int step)
+{
+ int sel, voltage;
+
+ /* Round up min, when dividing: keeps us within the range */
+ sel = DIV_ROUND_UP(min - bottom, step);
+ voltage = sel * step + bottom;
+ pr_debug("%s(): select %d..%d in %d+N*%d: %d\n", __func__,
+ min, max, bottom, step, sel);
+ if (voltage > max)
+ return -EINVAL;
+
+ return sel;
+}
+
+static int as3711_map_voltage_sd(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ int ret;
+
+ ret = as3711_bound_check(rdev, &min_uV, &max_uV);
+ if (ret <= 0)
+ return ret;
+
+ if (min_uV <= 1400000)
+ return as3711_sel_check(min_uV, max_uV, 600000, 12500);
+
+ if (min_uV <= 2600000)
+ return as3711_sel_check(min_uV, max_uV, 1400000, 25000) + 0x40;
+
+ return as3711_sel_check(min_uV, max_uV, 2600000, 50000) + 0x70;
+}
+
+/*
+ * The regulator API supports 4 modes of operataion: FAST, NORMAL, IDLE and
+ * STANDBY. We map them in the following way to AS3711 SD1-4 DCDC modes:
+ * FAST: sdX_fast=1
+ * NORMAL: low_noise=1
+ * IDLE: low_noise=0
+ */
+
+static int as3711_set_mode_sd(struct regulator_dev *rdev, unsigned int mode)
+{
+ unsigned int fast_bit = rdev->desc->enable_mask,
+ low_noise_bit = fast_bit << 4;
+ u8 val;
+
+ switch (mode) {
+ case REGULATOR_MODE_FAST:
+ val = fast_bit | low_noise_bit;
+ break;
+ case REGULATOR_MODE_NORMAL:
+ val = low_noise_bit;
+ break;
+ case REGULATOR_MODE_IDLE:
+ val = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return regmap_update_bits(rdev->regmap, AS3711_SD_CONTROL_1,
+ low_noise_bit | fast_bit, val);
+}
+
+static unsigned int as3711_get_mode_sd(struct regulator_dev *rdev)
+{
+ unsigned int fast_bit = rdev->desc->enable_mask,
+ low_noise_bit = fast_bit << 4, mask = fast_bit | low_noise_bit;
+ unsigned int val;
+ int ret = regmap_read(rdev->regmap, AS3711_SD_CONTROL_1, &val);
+
+ if (ret < 0)
+ return ret;
+
+ if ((val & mask) == mask)
+ return REGULATOR_MODE_FAST;
+
+ if ((val & mask) == low_noise_bit)
+ return REGULATOR_MODE_NORMAL;
+
+ if (!(val & mask))
+ return REGULATOR_MODE_IDLE;
+
+ return -EINVAL;
+}
+
+static int as3711_map_voltage_aldo(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ int ret;
+
+ ret = as3711_bound_check(rdev, &min_uV, &max_uV);
+ if (ret <= 0)
+ return ret;
+
+ if (min_uV <= 1800000)
+ return as3711_sel_check(min_uV, max_uV, 1200000, 50000);
+
+ return as3711_sel_check(min_uV, max_uV, 1800000, 100000) + 0x10;
+}
+
+static int as3711_map_voltage_dldo(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ int ret;
+
+ ret = as3711_bound_check(rdev, &min_uV, &max_uV);
+ if (ret <= 0)
+ return ret;
+
+ if (min_uV <= 1700000)
+ return as3711_sel_check(min_uV, max_uV, 900000, 50000);
+
+ return as3711_sel_check(min_uV, max_uV, 1750000, 50000) + 0x20;
+}
+
+static struct regulator_ops as3711_sd_ops = {
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .list_voltage = as3711_list_voltage_sd,
+ .map_voltage = as3711_map_voltage_sd,
+ .get_mode = as3711_get_mode_sd,
+ .set_mode = as3711_set_mode_sd,
+};
+
+static struct regulator_ops as3711_aldo_ops = {
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .list_voltage = as3711_list_voltage_aldo,
+ .map_voltage = as3711_map_voltage_aldo,
+};
+
+static struct regulator_ops as3711_dldo_ops = {
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .list_voltage = as3711_list_voltage_dldo,
+ .map_voltage = as3711_map_voltage_dldo,
+};
+
+#define AS3711_REG(_id, _en_reg, _en_bit, _vmask, _vshift, _min_uV, _max_uV, _sfx) \
+ [AS3711_REGULATOR_ ## _id] = { \
+ .desc = { \
+ .name = "as3711-regulator-" # _id, \
+ .id = AS3711_REGULATOR_ ## _id, \
+ .n_voltages = (_vmask + 1), \
+ .ops = &as3711_ ## _sfx ## _ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .vsel_reg = AS3711_ ## _id ## _VOLTAGE, \
+ .vsel_mask = _vmask << _vshift, \
+ .enable_reg = AS3711_ ## _en_reg, \
+ .enable_mask = BIT(_en_bit), \
+ .min_uV = _min_uV, \
+ }, \
+ .max_uV = _max_uV, \
+}
+
+static struct as3711_regulator_info as3711_reg_info[] = {
+ AS3711_REG(SD_1, SD_CONTROL, 0, 0x7f, 0, 612500, 3350000, sd),
+ AS3711_REG(SD_2, SD_CONTROL, 1, 0x7f, 0, 612500, 3350000, sd),
+ AS3711_REG(SD_3, SD_CONTROL, 2, 0x7f, 0, 612500, 3350000, sd),
+ AS3711_REG(SD_4, SD_CONTROL, 3, 0x7f, 0, 612500, 3350000, sd),
+ AS3711_REG(LDO_1, LDO_1_VOLTAGE, 7, 0x1f, 0, 1200000, 3300000, aldo),
+ AS3711_REG(LDO_2, LDO_2_VOLTAGE, 7, 0x1f, 0, 1200000, 3300000, aldo),
+ AS3711_REG(LDO_3, LDO_3_VOLTAGE, 7, 0x3f, 0, 900000, 3300000, dldo),
+ AS3711_REG(LDO_4, LDO_4_VOLTAGE, 7, 0x3f, 0, 900000, 3300000, dldo),
+ AS3711_REG(LDO_5, LDO_5_VOLTAGE, 7, 0x3f, 0, 900000, 3300000, dldo),
+ AS3711_REG(LDO_6, LDO_6_VOLTAGE, 7, 0x3f, 0, 900000, 3300000, dldo),
+ AS3711_REG(LDO_7, LDO_7_VOLTAGE, 7, 0x3f, 0, 900000, 3300000, dldo),
+ AS3711_REG(LDO_8, LDO_8_VOLTAGE, 7, 0x3f, 0, 900000, 3300000, dldo),
+ /* StepUp output voltage depends on supplying regulator */
+};
+
+#define AS3711_REGULATOR_NUM ARRAY_SIZE(as3711_reg_info)
+
+static int as3711_regulator_probe(struct platform_device *pdev)
+{
+ struct as3711_regulator_pdata *pdata = dev_get_platdata(&pdev->dev);
+ struct as3711 *as3711 = dev_get_drvdata(pdev->dev.parent);
+ struct regulator_init_data *reg_data;
+ struct regulator_config config = {.dev = &pdev->dev,};
+ struct as3711_regulator *reg = NULL;
+ struct as3711_regulator *regs;
+ struct regulator_dev *rdev;
+ struct as3711_regulator_info *ri;
+ int ret;
+ int id;
+
+ if (!pdata)
+ dev_dbg(&pdev->dev, "No platform data...\n");
+
+ regs = devm_kzalloc(&pdev->dev, AS3711_REGULATOR_NUM *
+ sizeof(struct as3711_regulator), GFP_KERNEL);
+ if (!regs) {
+ dev_err(&pdev->dev, "Memory allocation failed exiting..\n");
+ return -ENOMEM;
+ }
+
+ for (id = 0, ri = as3711_reg_info; id < AS3711_REGULATOR_NUM; ++id, ri++) {
+ reg_data = pdata ? pdata->init_data[id] : NULL;
+
+ /* No need to register if there is no regulator data */
+ if (!ri->desc.name)
+ continue;
+
+ reg = ®s[id];
+ reg->reg_info = ri;
+
+ config.init_data = reg_data;
+ config.driver_data = reg;
+ config.regmap = as3711->regmap;
+
+ rdev = regulator_register(&ri->desc, &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "Failed to register regulator %s\n",
+ ri->desc.name);
+ ret = PTR_ERR(rdev);
+ goto eregreg;
+ }
+ reg->rdev = rdev;
+ }
+ platform_set_drvdata(pdev, regs);
+ return 0;
+
+eregreg:
+ while (--id >= 0)
+ regulator_unregister(regs[id].rdev);
+
+ return ret;
+}
+
+static int as3711_regulator_remove(struct platform_device *pdev)
+{
+ struct as3711_regulator *regs = platform_get_drvdata(pdev);
+ int id;
+
+ for (id = 0; id < AS3711_REGULATOR_NUM; ++id)
+ regulator_unregister(regs[id].rdev);
+ return 0;
+}
+
+static struct platform_driver as3711_regulator_driver = {
+ .driver = {
+ .name = "as3711-regulator",
+ .owner = THIS_MODULE,
+ },
+ .probe = as3711_regulator_probe,
+ .remove = as3711_regulator_remove,
+};
+
+static int __init as3711_regulator_init(void)
+{
+ return platform_driver_register(&as3711_regulator_driver);
+}
+subsys_initcall(as3711_regulator_init);
+
+static void __exit as3711_regulator_exit(void)
+{
+ platform_driver_unregister(&as3711_regulator_driver);
+}
+module_exit(as3711_regulator_exit);
+
+MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>");
+MODULE_DESCRIPTION("AS3711 regulator driver");
+MODULE_ALIAS("platform:as3711-regulator");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 3db1e01..35c149b 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -199,8 +199,11 @@
*min_uV = regulator->min_uV;
}
- if (*min_uV > *max_uV)
+ if (*min_uV > *max_uV) {
+ dev_err(regulator->dev, "Restricting voltage, %u-%uuV\n",
+ regulator->min_uV, regulator->max_uV);
return -EINVAL;
+ }
return 0;
}
@@ -880,7 +883,9 @@
/* final: [min_uV..max_uV] valid iff constraints valid */
if (max_uV < min_uV) {
- rdev_err(rdev, "unsupportable voltage constraints\n");
+ rdev_err(rdev,
+ "unsupportable voltage constraints %u-%uuV\n",
+ min_uV, max_uV);
return -EINVAL;
}
@@ -1867,6 +1872,28 @@
EXPORT_SYMBOL_GPL(regulator_is_enabled);
/**
+ * regulator_can_change_voltage - check if regulator can change voltage
+ * @regulator: regulator source
+ *
+ * Returns positive if the regulator driver backing the source/client
+ * can change its voltage, false otherwise. Usefull for detecting fixed
+ * or dummy regulators and disabling voltage change logic in the client
+ * driver.
+ */
+int regulator_can_change_voltage(struct regulator *regulator)
+{
+ struct regulator_dev *rdev = regulator->rdev;
+
+ if (rdev->constraints &&
+ rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE &&
+ rdev->desc->n_voltages > 1)
+ return 1;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(regulator_can_change_voltage);
+
+/**
* regulator_count_voltages - count regulator_list_voltage() selectors
* @regulator: regulator source
*
diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c
index d6fbfd3..d096309 100644
--- a/drivers/regulator/da9052-regulator.c
+++ b/drivers/regulator/da9052-regulator.c
@@ -129,17 +129,17 @@
else if (offset == 0)
row = 1;
- if (min_uA > da9052_current_limits[row][DA9052_MAX_UA] ||
- max_uA < da9052_current_limits[row][DA9052_MIN_UA])
- return -EINVAL;
-
for (i = DA9052_CURRENT_RANGE - 1; i >= 0; i--) {
- if (da9052_current_limits[row][i] <= max_uA) {
+ if ((min_uA <= da9052_current_limits[row][i]) &&
+ (da9052_current_limits[row][i] <= max_uA)) {
reg_val = i;
break;
}
}
+ if (i < 0)
+ return -EINVAL;
+
/* Determine the even or odd position of the buck current limit
* register field
*/
diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c
new file mode 100644
index 0000000..db59ce7
--- /dev/null
+++ b/drivers/regulator/da9055-regulator.c
@@ -0,0 +1,680 @@
+/*
+* Regulator driver for DA9055 PMIC
+*
+* Copyright(c) 2012 Dialog Semiconductor Ltd.
+*
+* Author: David Dajun Chen <dchen@diasemi.com>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* (at your option) any later version.
+*
+*/
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+
+#include <linux/mfd/da9055/core.h>
+#include <linux/mfd/da9055/reg.h>
+#include <linux/mfd/da9055/pdata.h>
+
+#define DA9055_MIN_UA 0
+#define DA9055_MAX_UA 3
+
+#define DA9055_LDO_MODE_SYNC 0
+#define DA9055_LDO_MODE_SLEEP 1
+
+#define DA9055_BUCK_MODE_SLEEP 1
+#define DA9055_BUCK_MODE_SYNC 2
+#define DA9055_BUCK_MODE_AUTO 3
+
+/* DA9055 REGULATOR IDs */
+#define DA9055_ID_BUCK1 0
+#define DA9055_ID_BUCK2 1
+#define DA9055_ID_LDO1 2
+#define DA9055_ID_LDO2 3
+#define DA9055_ID_LDO3 4
+#define DA9055_ID_LDO4 5
+#define DA9055_ID_LDO5 6
+#define DA9055_ID_LDO6 7
+
+/* DA9055 BUCK current limit */
+static const int da9055_current_limits[] = { 500000, 600000, 700000, 800000 };
+
+struct da9055_conf_reg {
+ int reg;
+ int sel_mask;
+ int en_mask;
+};
+
+struct da9055_volt_reg {
+ int reg_a;
+ int reg_b;
+ int sl_shift;
+ int v_offset;
+ int v_mask;
+ int v_shift;
+};
+
+struct da9055_mode_reg {
+ int reg;
+ int mask;
+ int shift;
+};
+
+struct da9055_regulator_info {
+ struct regulator_desc reg_desc;
+ struct da9055_conf_reg conf;
+ struct da9055_volt_reg volt;
+ struct da9055_mode_reg mode;
+};
+
+struct da9055_regulator {
+ struct da9055 *da9055;
+ struct da9055_regulator_info *info;
+ struct regulator_dev *rdev;
+ enum gpio_select reg_rselect;
+};
+
+static unsigned int da9055_buck_get_mode(struct regulator_dev *rdev)
+{
+ struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
+ struct da9055_regulator_info *info = regulator->info;
+ int ret, mode = 0;
+
+ ret = da9055_reg_read(regulator->da9055, info->mode.reg);
+ if (ret < 0)
+ return ret;
+
+ switch ((ret & info->mode.mask) >> info->mode.shift) {
+ case DA9055_BUCK_MODE_SYNC:
+ mode = REGULATOR_MODE_FAST;
+ break;
+ case DA9055_BUCK_MODE_AUTO:
+ mode = REGULATOR_MODE_NORMAL;
+ break;
+ case DA9055_BUCK_MODE_SLEEP:
+ mode = REGULATOR_MODE_STANDBY;
+ break;
+ }
+
+ return mode;
+}
+
+static int da9055_buck_set_mode(struct regulator_dev *rdev,
+ unsigned int mode)
+{
+ struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
+ struct da9055_regulator_info *info = regulator->info;
+ int val = 0;
+
+ switch (mode) {
+ case REGULATOR_MODE_FAST:
+ val = DA9055_BUCK_MODE_SYNC << info->mode.shift;
+ break;
+ case REGULATOR_MODE_NORMAL:
+ val = DA9055_BUCK_MODE_AUTO << info->mode.shift;
+ break;
+ case REGULATOR_MODE_STANDBY:
+ val = DA9055_BUCK_MODE_SLEEP << info->mode.shift;
+ break;
+ }
+
+ return da9055_reg_update(regulator->da9055, info->mode.reg,
+ info->mode.mask, val);
+}
+
+static unsigned int da9055_ldo_get_mode(struct regulator_dev *rdev)
+{
+ struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
+ struct da9055_regulator_info *info = regulator->info;
+ int ret;
+
+ ret = da9055_reg_read(regulator->da9055, info->volt.reg_b);
+ if (ret < 0)
+ return ret;
+
+ if (ret >> info->volt.sl_shift)
+ return REGULATOR_MODE_STANDBY;
+ else
+ return REGULATOR_MODE_NORMAL;
+}
+
+static int da9055_ldo_set_mode(struct regulator_dev *rdev, unsigned int mode)
+{
+ struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
+ struct da9055_regulator_info *info = regulator->info;
+ struct da9055_volt_reg volt = info->volt;
+ int val = 0;
+
+ switch (mode) {
+ case REGULATOR_MODE_NORMAL:
+ case REGULATOR_MODE_FAST:
+ val = DA9055_LDO_MODE_SYNC;
+ break;
+ case REGULATOR_MODE_STANDBY:
+ val = DA9055_LDO_MODE_SLEEP;
+ break;
+ }
+
+ return da9055_reg_update(regulator->da9055, volt.reg_b,
+ 1 << volt.sl_shift,
+ val << volt.sl_shift);
+}
+
+static int da9055_buck_get_current_limit(struct regulator_dev *rdev)
+{
+ struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
+ struct da9055_regulator_info *info = regulator->info;
+ int ret;
+
+ ret = da9055_reg_read(regulator->da9055, DA9055_REG_BUCK_LIM);
+ if (ret < 0)
+ return ret;
+
+ ret &= info->mode.mask;
+ return da9055_current_limits[ret >> info->mode.shift];
+}
+
+static int da9055_buck_set_current_limit(struct regulator_dev *rdev, int min_uA,
+ int max_uA)
+{
+ struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
+ struct da9055_regulator_info *info = regulator->info;
+ int i;
+
+ for (i = ARRAY_SIZE(da9055_current_limits) - 1; i >= 0; i--) {
+ if ((min_uA <= da9055_current_limits[i]) &&
+ (da9055_current_limits[i] <= max_uA))
+ return da9055_reg_update(regulator->da9055,
+ DA9055_REG_BUCK_LIM,
+ info->mode.mask,
+ i << info->mode.shift);
+ }
+
+ return -EINVAL;
+}
+
+static int da9055_list_voltage(struct regulator_dev *rdev, unsigned selector)
+{
+ struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
+ struct da9055_regulator_info *info = regulator->info;
+
+ if (selector >= rdev->desc->n_voltages)
+ return -EINVAL;
+
+ if (selector < info->volt.v_offset)
+ return 0;
+
+ selector -= info->volt.v_offset;
+ return rdev->desc->min_uV + (rdev->desc->uV_step * selector);
+}
+
+static int da9055_map_voltage(struct regulator_dev *rdev, int min_uV,
+ int max_uV)
+{
+ struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
+ struct da9055_regulator_info *info = regulator->info;
+ int sel, voltage;
+
+ if (min_uV < rdev->desc->min_uV)
+ min_uV = rdev->desc->min_uV;
+
+ sel = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step);
+ sel += info->volt.v_offset;
+
+ voltage = da9055_list_voltage(rdev, sel);
+ if (voltage < min_uV || voltage > max_uV)
+ return -EINVAL;
+
+ return sel;
+}
+
+static int da9055_regulator_get_voltage_sel(struct regulator_dev *rdev)
+{
+ struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
+ struct da9055_regulator_info *info = regulator->info;
+ struct da9055_volt_reg volt = info->volt;
+ int ret, sel;
+
+ /*
+ * There are two voltage register set A & B for voltage ramping but
+ * either one of then can be active therefore we first determine
+ * the active register set.
+ */
+ ret = da9055_reg_read(regulator->da9055, info->conf.reg);
+ if (ret < 0)
+ return ret;
+
+ ret &= info->conf.sel_mask;
+
+ /* Get the voltage for the active register set A/B */
+ if (ret == DA9055_REGUALTOR_SET_A)
+ ret = da9055_reg_read(regulator->da9055, volt.reg_a);
+ else
+ ret = da9055_reg_read(regulator->da9055, volt.reg_b);
+
+ if (ret < 0)
+ return ret;
+
+ sel = (ret & volt.v_mask);
+ if (sel <= volt.v_offset)
+ return 0;
+ else
+ return sel;
+}
+
+static int da9055_regulator_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned int selector)
+{
+ struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
+ struct da9055_regulator_info *info = regulator->info;
+ int ret;
+
+ /*
+ * Regulator register set A/B is not selected through GPIO therefore
+ * we use default register set A for voltage ramping.
+ */
+ if (regulator->reg_rselect == NO_GPIO) {
+ /* Select register set A */
+ ret = da9055_reg_update(regulator->da9055, info->conf.reg,
+ info->conf.sel_mask, DA9055_SEL_REG_A);
+ if (ret < 0)
+ return ret;
+
+ /* Set the voltage */
+ return da9055_reg_update(regulator->da9055, info->volt.reg_a,
+ info->volt.v_mask, selector);
+ }
+
+ /*
+ * Here regulator register set A/B is selected through GPIO.
+ * Therefore we first determine the selected register set A/B and
+ * then set the desired voltage for that register set A/B.
+ */
+ ret = da9055_reg_read(regulator->da9055, info->conf.reg);
+ if (ret < 0)
+ return ret;
+
+ ret &= info->conf.sel_mask;
+
+ /* Set the voltage */
+ if (ret == DA9055_REGUALTOR_SET_A)
+ return da9055_reg_update(regulator->da9055, info->volt.reg_a,
+ info->volt.v_mask, selector);
+ else
+ return da9055_reg_update(regulator->da9055, info->volt.reg_b,
+ info->volt.v_mask, selector);
+}
+
+static int da9055_regulator_set_suspend_voltage(struct regulator_dev *rdev,
+ int uV)
+{
+ struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
+ struct da9055_regulator_info *info = regulator->info;
+ int ret;
+
+ /* Select register set B for suspend voltage ramping. */
+ if (regulator->reg_rselect == NO_GPIO) {
+ ret = da9055_reg_update(regulator->da9055, info->conf.reg,
+ info->conf.sel_mask, DA9055_SEL_REG_B);
+ if (ret < 0)
+ return ret;
+ }
+
+ ret = da9055_map_voltage(rdev, uV, uV);
+ if (ret < 0)
+ return ret;
+
+ return da9055_reg_update(regulator->da9055, info->volt.reg_b,
+ info->volt.v_mask, ret);
+}
+
+static int da9055_suspend_enable(struct regulator_dev *rdev)
+{
+ struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
+ struct da9055_regulator_info *info = regulator->info;
+
+ /* Select register set B for voltage ramping. */
+ if (regulator->reg_rselect == NO_GPIO)
+ return da9055_reg_update(regulator->da9055, info->conf.reg,
+ info->conf.sel_mask, DA9055_SEL_REG_B);
+ else
+ return 0;
+}
+
+static int da9055_suspend_disable(struct regulator_dev *rdev)
+{
+ struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
+ struct da9055_regulator_info *info = regulator->info;
+
+ /* Diselect register set B. */
+ if (regulator->reg_rselect == NO_GPIO)
+ return da9055_reg_update(regulator->da9055, info->conf.reg,
+ info->conf.sel_mask, DA9055_SEL_REG_A);
+ else
+ return 0;
+}
+
+static struct regulator_ops da9055_buck_ops = {
+ .get_mode = da9055_buck_get_mode,
+ .set_mode = da9055_buck_set_mode,
+
+ .get_current_limit = da9055_buck_get_current_limit,
+ .set_current_limit = da9055_buck_set_current_limit,
+
+ .get_voltage_sel = da9055_regulator_get_voltage_sel,
+ .set_voltage_sel = da9055_regulator_set_voltage_sel,
+ .list_voltage = da9055_list_voltage,
+ .map_voltage = da9055_map_voltage,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+
+ .set_suspend_voltage = da9055_regulator_set_suspend_voltage,
+ .set_suspend_enable = da9055_suspend_enable,
+ .set_suspend_disable = da9055_suspend_disable,
+ .set_suspend_mode = da9055_buck_set_mode,
+};
+
+static struct regulator_ops da9055_ldo_ops = {
+ .get_mode = da9055_ldo_get_mode,
+ .set_mode = da9055_ldo_set_mode,
+
+ .get_voltage_sel = da9055_regulator_get_voltage_sel,
+ .set_voltage_sel = da9055_regulator_set_voltage_sel,
+ .list_voltage = da9055_list_voltage,
+ .map_voltage = da9055_map_voltage,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+
+ .set_suspend_voltage = da9055_regulator_set_suspend_voltage,
+ .set_suspend_enable = da9055_suspend_enable,
+ .set_suspend_disable = da9055_suspend_disable,
+ .set_suspend_mode = da9055_ldo_set_mode,
+
+};
+
+#define DA9055_LDO(_id, step, min, max, vbits, voffset) \
+{\
+ .reg_desc = {\
+ .name = #_id,\
+ .ops = &da9055_ldo_ops,\
+ .type = REGULATOR_VOLTAGE,\
+ .id = DA9055_ID_##_id,\
+ .n_voltages = (max - min) / step + 1 + (voffset), \
+ .enable_reg = DA9055_REG_BCORE_CONT + DA9055_ID_##_id, \
+ .enable_mask = 1, \
+ .min_uV = (min) * 1000,\
+ .uV_step = (step) * 1000,\
+ .owner = THIS_MODULE,\
+ },\
+ .conf = {\
+ .reg = DA9055_REG_BCORE_CONT + DA9055_ID_##_id, \
+ .sel_mask = (1 << 4),\
+ .en_mask = 1,\
+ },\
+ .volt = {\
+ .reg_a = DA9055_REG_VBCORE_A + DA9055_ID_##_id, \
+ .reg_b = DA9055_REG_VBCORE_B + DA9055_ID_##_id, \
+ .sl_shift = 7,\
+ .v_offset = (voffset),\
+ .v_mask = (1 << (vbits)) - 1,\
+ .v_shift = (vbits),\
+ },\
+}
+
+#define DA9055_BUCK(_id, step, min, max, vbits, voffset, mbits, sbits) \
+{\
+ .reg_desc = {\
+ .name = #_id,\
+ .ops = &da9055_buck_ops,\
+ .type = REGULATOR_VOLTAGE,\
+ .id = DA9055_ID_##_id,\
+ .n_voltages = (max - min) / step + 1 + (voffset), \
+ .enable_reg = DA9055_REG_BCORE_CONT + DA9055_ID_##_id, \
+ .enable_mask = 1,\
+ .min_uV = (min) * 1000,\
+ .uV_step = (step) * 1000,\
+ .owner = THIS_MODULE,\
+ },\
+ .conf = {\
+ .reg = DA9055_REG_BCORE_CONT + DA9055_ID_##_id, \
+ .sel_mask = (1 << 4),\
+ .en_mask = 1,\
+ },\
+ .volt = {\
+ .reg_a = DA9055_REG_VBCORE_A + DA9055_ID_##_id, \
+ .reg_b = DA9055_REG_VBCORE_B + DA9055_ID_##_id, \
+ .sl_shift = 7,\
+ .v_offset = (voffset),\
+ .v_mask = (1 << (vbits)) - 1,\
+ .v_shift = (vbits),\
+ },\
+ .mode = {\
+ .reg = DA9055_REG_BCORE_MODE,\
+ .mask = (mbits),\
+ .shift = (sbits),\
+ },\
+}
+
+static struct da9055_regulator_info da9055_regulator_info[] = {
+ DA9055_BUCK(BUCK1, 25, 725, 2075, 6, 9, 0xc, 2),
+ DA9055_BUCK(BUCK2, 25, 925, 2500, 6, 0, 3, 0),
+ DA9055_LDO(LDO1, 50, 900, 3300, 6, 2),
+ DA9055_LDO(LDO2, 50, 900, 3300, 6, 3),
+ DA9055_LDO(LDO3, 50, 900, 3300, 6, 2),
+ DA9055_LDO(LDO4, 50, 900, 3300, 6, 2),
+ DA9055_LDO(LDO5, 50, 900, 2750, 6, 2),
+ DA9055_LDO(LDO6, 20, 900, 3300, 7, 0),
+};
+
+/*
+ * Configures regulator to be controlled either through GPIO 1 or 2.
+ * GPIO can control regulator state and/or select the regulator register
+ * set A/B for voltage ramping.
+ */
+static __devinit int da9055_gpio_init(struct da9055_regulator *regulator,
+ struct regulator_config *config,
+ struct da9055_pdata *pdata, int id)
+{
+ struct da9055_regulator_info *info = regulator->info;
+ int ret = 0;
+
+ if (pdata->gpio_ren && pdata->gpio_ren[id]) {
+ char name[18];
+ int gpio_mux = pdata->gpio_ren[id];
+
+ config->ena_gpio = pdata->ena_gpio[id];
+ config->ena_gpio_flags = GPIOF_OUT_INIT_HIGH;
+ config->ena_gpio_invert = 1;
+
+ /*
+ * GPI pin is muxed with regulator to control the
+ * regulator state.
+ */
+ sprintf(name, "DA9055 GPI %d", gpio_mux);
+ ret = devm_gpio_request_one(config->dev, gpio_mux, GPIOF_DIR_IN,
+ name);
+ if (ret < 0)
+ goto err;
+
+ /*
+ * Let the regulator know that its state is controlled
+ * through GPI.
+ */
+ ret = da9055_reg_update(regulator->da9055, info->conf.reg,
+ DA9055_E_GPI_MASK,
+ pdata->reg_ren[id]
+ << DA9055_E_GPI_SHIFT);
+ if (ret < 0)
+ goto err;
+ }
+
+ if (pdata->gpio_rsel && pdata->gpio_rsel[id]) {
+ char name[18];
+ int gpio_mux = pdata->gpio_rsel[id];
+
+ regulator->reg_rselect = pdata->reg_rsel[id];
+
+ /*
+ * GPI pin is muxed with regulator to select the
+ * regulator register set A/B for voltage ramping.
+ */
+ sprintf(name, "DA9055 GPI %d", gpio_mux);
+ ret = devm_gpio_request_one(config->dev, gpio_mux, GPIOF_DIR_IN,
+ name);
+ if (ret < 0)
+ goto err;
+
+ /*
+ * Let the regulator know that its register set A/B
+ * will be selected through GPI for voltage ramping.
+ */
+ ret = da9055_reg_update(regulator->da9055, info->conf.reg,
+ DA9055_V_GPI_MASK,
+ pdata->reg_rsel[id]
+ << DA9055_V_GPI_SHIFT);
+ }
+
+err:
+ return ret;
+}
+
+static irqreturn_t da9055_ldo5_6_oc_irq(int irq, void *data)
+{
+ struct da9055_regulator *regulator = data;
+
+ regulator_notifier_call_chain(regulator->rdev,
+ REGULATOR_EVENT_OVER_CURRENT, NULL);
+
+ return IRQ_HANDLED;
+}
+
+static inline struct da9055_regulator_info *find_regulator_info(int id)
+{
+ struct da9055_regulator_info *info;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(da9055_regulator_info); i++) {
+ info = &da9055_regulator_info[i];
+ if (info->reg_desc.id == id)
+ return info;
+ }
+
+ return NULL;
+}
+
+static int __devinit da9055_regulator_probe(struct platform_device *pdev)
+{
+ struct regulator_config config = { };
+ struct da9055_regulator *regulator;
+ struct da9055 *da9055 = dev_get_drvdata(pdev->dev.parent);
+ struct da9055_pdata *pdata = da9055->dev->platform_data;
+ int ret, irq;
+
+ if (pdata == NULL || pdata->regulators[pdev->id] == NULL)
+ return -ENODEV;
+
+ regulator = devm_kzalloc(&pdev->dev, sizeof(struct da9055_regulator),
+ GFP_KERNEL);
+ if (!regulator)
+ return -ENOMEM;
+
+ regulator->info = find_regulator_info(pdev->id);
+ if (regulator->info == NULL) {
+ dev_err(&pdev->dev, "invalid regulator ID specified\n");
+ return -EINVAL;
+ }
+
+ regulator->da9055 = da9055;
+ config.dev = &pdev->dev;
+ config.driver_data = regulator;
+ config.regmap = da9055->regmap;
+
+ if (pdata && pdata->regulators)
+ config.init_data = pdata->regulators[pdev->id];
+
+ ret = da9055_gpio_init(regulator, &config, pdata, pdev->id);
+ if (ret < 0)
+ return ret;
+
+ regulator->rdev = regulator_register(®ulator->info->reg_desc,
+ &config);
+ if (IS_ERR(regulator->rdev)) {
+ dev_err(&pdev->dev, "Failed to register regulator %s\n",
+ regulator->info->reg_desc.name);
+ ret = PTR_ERR(regulator->rdev);
+ return ret;
+ }
+
+ /* Only LDO 5 and 6 has got the over current interrupt */
+ if (pdev->id == DA9055_ID_LDO5 || pdev->id == DA9055_ID_LDO6) {
+ irq = platform_get_irq_byname(pdev, "REGULATOR");
+ irq = regmap_irq_get_virq(da9055->irq_data, irq);
+ ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+ da9055_ldo5_6_oc_irq,
+ IRQF_TRIGGER_HIGH |
+ IRQF_ONESHOT |
+ IRQF_PROBE_SHARED,
+ pdev->name, regulator);
+ if (ret != 0) {
+ if (ret != -EBUSY) {
+ dev_err(&pdev->dev,
+ "Failed to request Regulator IRQ %d: %d\n",
+ irq, ret);
+ goto err_regulator;
+ }
+ }
+ }
+
+ platform_set_drvdata(pdev, regulator);
+
+ return 0;
+
+err_regulator:
+ regulator_unregister(regulator->rdev);
+ return ret;
+}
+
+static int __devexit da9055_regulator_remove(struct platform_device *pdev)
+{
+ struct da9055_regulator *regulator = platform_get_drvdata(pdev);
+
+ regulator_unregister(regulator->rdev);
+
+ return 0;
+}
+
+static struct platform_driver da9055_regulator_driver = {
+ .probe = da9055_regulator_probe,
+ .remove = __devexit_p(da9055_regulator_remove),
+ .driver = {
+ .name = "da9055-regulator",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init da9055_regulator_init(void)
+{
+ return platform_driver_register(&da9055_regulator_driver);
+}
+subsys_initcall(da9055_regulator_init);
+
+static void __exit da9055_regulator_exit(void)
+{
+ platform_driver_unregister(&da9055_regulator_driver);
+}
+module_exit(da9055_regulator_exit);
+
+MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
+MODULE_DESCRIPTION("Power Regulator driver for Dialog DA9055 PMIC");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:da9055-regulator");
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 3ee79c8..2cfd9d3 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -364,10 +364,12 @@
return 0;
}
+#if defined(CONFIG_OF)
static const struct of_device_id regulator_gpio_of_match[] __devinitconst = {
{ .compatible = "regulator-gpio", },
{},
};
+#endif
static struct platform_driver gpio_regulator_driver = {
.probe = gpio_regulator_probe,
@@ -375,7 +377,7 @@
.driver = {
.name = "gpio-regulator",
.owner = THIS_MODULE,
- .of_match_table = regulator_gpio_of_match,
+ .of_match_table = of_match_ptr(regulator_gpio_of_match),
},
};
diff --git a/drivers/regulator/lp8788-buck.c b/drivers/regulator/lp8788-buck.c
index 6cc02c3..aef3f2b 100644
--- a/drivers/regulator/lp8788-buck.c
+++ b/drivers/regulator/lp8788-buck.c
@@ -429,18 +429,6 @@
},
};
-static int _gpio_request(struct lp8788_buck *buck, int gpio, char *name)
-{
- struct device *dev = buck->lp->dev;
-
- if (!gpio_is_valid(gpio)) {
- dev_err(dev, "invalid gpio: %d\n", gpio);
- return -EINVAL;
- }
-
- return devm_gpio_request_one(dev, gpio, DVS_LOW, name);
-}
-
static int lp8788_dvs_gpio_request(struct lp8788_buck *buck,
enum lp8788_buck_id id)
{
@@ -452,7 +440,8 @@
switch (id) {
case BUCK1:
gpio = pdata->buck1_dvs->gpio;
- ret = _gpio_request(buck, gpio, b1_name);
+ ret = devm_gpio_request_one(buck->lp->dev, gpio, DVS_LOW,
+ b1_name);
if (ret)
return ret;
@@ -461,7 +450,8 @@
case BUCK2:
for (i = 0 ; i < LP8788_NUM_BUCK2_DVS ; i++) {
gpio = pdata->buck2_dvs->gpio[i];
- ret = _gpio_request(buck, gpio, b2_name[i]);
+ ret = devm_gpio_request_one(buck->lp->dev, gpio,
+ DVS_LOW, b2_name[i]);
if (ret)
return ret;
}
diff --git a/drivers/regulator/lp8788-ldo.c b/drivers/regulator/lp8788-ldo.c
index 26753a0..3792741 100644
--- a/drivers/regulator/lp8788-ldo.c
+++ b/drivers/regulator/lp8788-ldo.c
@@ -126,7 +126,7 @@
};
/* DLDO 1, 2, 3, 9 voltage table */
-const int lp8788_dldo1239_vtbl[] = {
+static const int lp8788_dldo1239_vtbl[] = {
1800000, 1900000, 2000000, 2100000, 2200000, 2300000, 2400000, 2500000,
2600000, 2700000, 2800000, 2900000, 3000000, 2850000, 2850000, 2850000,
2850000, 2850000, 2850000, 2850000, 2850000, 2850000, 2850000, 2850000,
@@ -662,14 +662,6 @@
[EN_DLDO7] = LP8788_EN_SEL_DLDO7_M,
[EN_DLDO911] = LP8788_EN_SEL_DLDO911_M,
};
- u8 val[] = {
- [EN_ALDO1] = 0 << 5,
- [EN_ALDO234] = 0 << 4,
- [EN_ALDO5] = 0 << 3,
- [EN_ALDO7] = 0 << 2,
- [EN_DLDO7] = 0 << 1,
- [EN_DLDO911] = 0 << 0,
- };
switch (id) {
case DLDO7:
@@ -708,8 +700,7 @@
return ret;
set_default_ldo_enable_mode:
- return lp8788_update_bits(lp, LP8788_EN_SEL, en_mask[enable_id],
- val[enable_id]);
+ return lp8788_update_bits(lp, LP8788_EN_SEL, en_mask[enable_id], 0);
}
static int lp8788_dldo_probe(struct platform_device *pdev)
diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index 3a035ec..8c5a54f5 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -44,6 +44,9 @@
unsigned int min_uV;
unsigned int max_uV;
+ unsigned int v3_curr_sel;
+ unsigned int v6_curr_sel;
+
struct regulator_dev *rdev[0];
};
@@ -63,31 +66,60 @@
* R24 and R25=100kOhm as described in the data sheet.
* The gain is approximately: 1 + R24/R25 + R24/185.5kOhm
*/
+static int max1586_v3_get_voltage_sel(struct regulator_dev *rdev)
+{
+ struct max1586_data *max1586 = rdev_get_drvdata(rdev);
+
+ return max1586->v3_curr_sel;
+}
+
static int max1586_v3_set_voltage_sel(struct regulator_dev *rdev,
unsigned selector)
{
struct max1586_data *max1586 = rdev_get_drvdata(rdev);
struct i2c_client *client = max1586->client;
+ int ret;
u8 v3_prog;
dev_dbg(&client->dev, "changing voltage v3 to %dmv\n",
regulator_list_voltage_linear(rdev, selector) / 1000);
v3_prog = I2C_V3_SELECT | (u8) selector;
- return i2c_smbus_write_byte(client, v3_prog);
+ ret = i2c_smbus_write_byte(client, v3_prog);
+ if (ret)
+ return ret;
+
+ max1586->v3_curr_sel = selector;
+
+ return 0;
+}
+
+static int max1586_v6_get_voltage_sel(struct regulator_dev *rdev)
+{
+ struct max1586_data *max1586 = rdev_get_drvdata(rdev);
+
+ return max1586->v6_curr_sel;
}
static int max1586_v6_set_voltage_sel(struct regulator_dev *rdev,
unsigned int selector)
{
- struct i2c_client *client = rdev_get_drvdata(rdev);
+ struct max1586_data *max1586 = rdev_get_drvdata(rdev);
+ struct i2c_client *client = max1586->client;
u8 v6_prog;
+ int ret;
dev_dbg(&client->dev, "changing voltage v6 to %dmv\n",
rdev->desc->volt_table[selector] / 1000);
v6_prog = I2C_V6_SELECT | (u8) selector;
- return i2c_smbus_write_byte(client, v6_prog);
+ ret = i2c_smbus_write_byte(client, v6_prog);
+ if (ret)
+ return ret;
+
+ max1586->v6_curr_sel = selector;
+
+ return 0;
}
/*
@@ -95,12 +127,14 @@
* the set up value.
*/
static struct regulator_ops max1586_v3_ops = {
+ .get_voltage_sel = max1586_v3_get_voltage_sel,
.set_voltage_sel = max1586_v3_set_voltage_sel,
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
};
static struct regulator_ops max1586_v6_ops = {
+ .get_voltage_sel = max1586_v6_get_voltage_sel,
.set_voltage_sel = max1586_v6_set_voltage_sel,
.list_voltage = regulator_list_voltage_table,
};
@@ -148,6 +182,10 @@
max1586->min_uV = MAX1586_V3_MIN_UV / 1000 * pdata->v3_gain / 1000;
max1586->max_uV = MAX1586_V3_MAX_UV / 1000 * pdata->v3_gain / 1000;
+ /* Set curr_sel to default voltage on power-up */
+ max1586->v3_curr_sel = 24; /* 1.3V */
+ max1586->v6_curr_sel = 0;
+
rdev = max1586->rdev;
for (i = 0; i < pdata->num_subdevs && i <= MAX1586_V6; i++) {
id = pdata->subdevs[i].id;
diff --git a/drivers/regulator/max77686.c b/drivers/regulator/max77686.c
index cb99e90..b85040c 100644
--- a/drivers/regulator/max77686.c
+++ b/drivers/regulator/max77686.c
@@ -67,8 +67,94 @@
struct max77686_data {
struct regulator_dev *rdev[MAX77686_REGULATORS];
+ unsigned int opmode[MAX77686_REGULATORS];
};
+/* Some BUCKS supports Normal[ON/OFF] mode during suspend */
+static int max77686_buck_set_suspend_disable(struct regulator_dev *rdev)
+{
+ unsigned int val;
+ struct max77686_data *max77686 = rdev_get_drvdata(rdev);
+
+ if (rdev->desc->id == MAX77686_BUCK1)
+ val = 0x1;
+ else
+ val = 0x1 << MAX77686_OPMODE_BUCK234_SHIFT;
+
+ max77686->opmode[rdev->desc->id] = val;
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask,
+ val);
+}
+
+/* Some LDOs supports [LPM/Normal]ON mode during suspend state */
+static int max77686_set_suspend_mode(struct regulator_dev *rdev,
+ unsigned int mode)
+{
+ struct max77686_data *max77686 = rdev_get_drvdata(rdev);
+ unsigned int val;
+
+ /* BUCK[5-9] doesn't support this feature */
+ if (rdev->desc->id >= MAX77686_BUCK5)
+ return 0;
+
+ switch (mode) {
+ case REGULATOR_MODE_IDLE: /* ON in LP Mode */
+ val = 0x2 << MAX77686_OPMODE_SHIFT;
+ break;
+ case REGULATOR_MODE_NORMAL: /* ON in Normal Mode */
+ val = 0x3 << MAX77686_OPMODE_SHIFT;
+ break;
+ default:
+ pr_warn("%s: regulator_suspend_mode : 0x%x not supported\n",
+ rdev->desc->name, mode);
+ return -EINVAL;
+ }
+
+ max77686->opmode[rdev->desc->id] = val;
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask,
+ val);
+}
+
+/* Some LDOs supports LPM-ON/OFF/Normal-ON mode during suspend state */
+static int max77686_ldo_set_suspend_mode(struct regulator_dev *rdev,
+ unsigned int mode)
+{
+ unsigned int val;
+ struct max77686_data *max77686 = rdev_get_drvdata(rdev);
+
+ switch (mode) {
+ case REGULATOR_MODE_STANDBY: /* switch off */
+ val = 0x1 << MAX77686_OPMODE_SHIFT;
+ break;
+ case REGULATOR_MODE_IDLE: /* ON in LP Mode */
+ val = 0x2 << MAX77686_OPMODE_SHIFT;
+ break;
+ case REGULATOR_MODE_NORMAL: /* ON in Normal Mode */
+ val = 0x3 << MAX77686_OPMODE_SHIFT;
+ break;
+ default:
+ pr_warn("%s: regulator_suspend_mode : 0x%x not supported\n",
+ rdev->desc->name, mode);
+ return -EINVAL;
+ }
+
+ max77686->opmode[rdev->desc->id] = val;
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask,
+ val);
+}
+
+static int max77686_enable(struct regulator_dev *rdev)
+{
+ struct max77686_data *max77686 = rdev_get_drvdata(rdev);
+
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask,
+ max77686->opmode[rdev->desc->id]);
+}
+
static int max77686_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
{
unsigned int ramp_value = RAMP_RATE_NO_CTRL;
@@ -98,23 +184,49 @@
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
.is_enabled = regulator_is_enabled_regmap,
- .enable = regulator_enable_regmap,
+ .enable = max77686_enable,
.disable = regulator_disable_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
+ .set_suspend_mode = max77686_set_suspend_mode,
+};
+
+static struct regulator_ops max77686_ldo_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = max77686_enable,
+ .disable = regulator_disable_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .set_voltage_time_sel = regulator_set_voltage_time_sel,
+ .set_suspend_mode = max77686_ldo_set_suspend_mode,
+};
+
+static struct regulator_ops max77686_buck1_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = max77686_enable,
+ .disable = regulator_disable_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .set_voltage_time_sel = regulator_set_voltage_time_sel,
+ .set_suspend_disable = max77686_buck_set_suspend_disable,
};
static struct regulator_ops max77686_buck_dvs_ops = {
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
.is_enabled = regulator_is_enabled_regmap,
- .enable = regulator_enable_regmap,
+ .enable = max77686_enable,
.disable = regulator_disable_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
.set_ramp_delay = max77686_set_ramp_delay,
+ .set_suspend_disable = max77686_buck_set_suspend_disable,
};
#define regulator_desc_ldo(num) { \
@@ -133,9 +245,41 @@
.enable_mask = MAX77686_OPMODE_MASK \
<< MAX77686_OPMODE_SHIFT, \
}
+#define regulator_desc_lpm_ldo(num) { \
+ .name = "LDO"#num, \
+ .id = MAX77686_LDO##num, \
+ .ops = &max77686_ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = MAX77686_LDO_MINUV, \
+ .uV_step = MAX77686_LDO_UVSTEP, \
+ .ramp_delay = MAX77686_RAMP_DELAY, \
+ .n_voltages = MAX77686_VSEL_MASK + 1, \
+ .vsel_reg = MAX77686_REG_LDO1CTRL1 + num - 1, \
+ .vsel_mask = MAX77686_VSEL_MASK, \
+ .enable_reg = MAX77686_REG_LDO1CTRL1 + num - 1, \
+ .enable_mask = MAX77686_OPMODE_MASK \
+ << MAX77686_OPMODE_SHIFT, \
+}
#define regulator_desc_ldo_low(num) { \
.name = "LDO"#num, \
.id = MAX77686_LDO##num, \
+ .ops = &max77686_ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = MAX77686_LDO_LOW_MINUV, \
+ .uV_step = MAX77686_LDO_LOW_UVSTEP, \
+ .ramp_delay = MAX77686_RAMP_DELAY, \
+ .n_voltages = MAX77686_VSEL_MASK + 1, \
+ .vsel_reg = MAX77686_REG_LDO1CTRL1 + num - 1, \
+ .vsel_mask = MAX77686_VSEL_MASK, \
+ .enable_reg = MAX77686_REG_LDO1CTRL1 + num - 1, \
+ .enable_mask = MAX77686_OPMODE_MASK \
+ << MAX77686_OPMODE_SHIFT, \
+}
+#define regulator_desc_ldo1_low(num) { \
+ .name = "LDO"#num, \
+ .id = MAX77686_LDO##num, \
.ops = &max77686_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
@@ -167,7 +311,7 @@
#define regulator_desc_buck1(num) { \
.name = "BUCK"#num, \
.id = MAX77686_BUCK##num, \
- .ops = &max77686_ops, \
+ .ops = &max77686_buck1_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
.min_uV = MAX77686_BUCK_MINUV, \
@@ -197,7 +341,7 @@
}
static struct regulator_desc regulators[] = {
- regulator_desc_ldo_low(1),
+ regulator_desc_ldo1_low(1),
regulator_desc_ldo_low(2),
regulator_desc_ldo(3),
regulator_desc_ldo(4),
@@ -206,13 +350,13 @@
regulator_desc_ldo_low(7),
regulator_desc_ldo_low(8),
regulator_desc_ldo(9),
- regulator_desc_ldo(10),
- regulator_desc_ldo(11),
- regulator_desc_ldo(12),
+ regulator_desc_lpm_ldo(10),
+ regulator_desc_lpm_ldo(11),
+ regulator_desc_lpm_ldo(12),
regulator_desc_ldo(13),
- regulator_desc_ldo(14),
+ regulator_desc_lpm_ldo(14),
regulator_desc_ldo_low(15),
- regulator_desc_ldo(16),
+ regulator_desc_lpm_ldo(16),
regulator_desc_ldo(17),
regulator_desc_ldo(18),
regulator_desc_ldo(19),
@@ -314,12 +458,14 @@
config.dev = &pdev->dev;
config.regmap = iodev->regmap;
+ config.driver_data = max77686;
platform_set_drvdata(pdev, max77686);
for (i = 0; i < MAX77686_REGULATORS; i++) {
config.init_data = pdata->regulators[i].initdata;
config.of_node = pdata->regulators[i].of_node;
+ max77686->opmode[i] = regulators[i].enable_mask;
max77686->rdev[i] = regulator_register(®ulators[i], &config);
if (IS_ERR(max77686->rdev[i])) {
ret = PTR_ERR(max77686->rdev[i]);
diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c
new file mode 100644
index 0000000..3ee2638
--- /dev/null
+++ b/drivers/regulator/max8973-regulator.c
@@ -0,0 +1,505 @@
+/*
+ * max8973-regulator.c -- Maxim max8973
+ *
+ * Regulator driver for MAXIM 8973 DC-DC step-down switching regulator.
+ *
+ * Copyright (c) 2012, NVIDIA Corporation.
+ *
+ * Author: Laxman Dewangan <ldewangan@nvidia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
+ * whether express or implied; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307, USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/max8973-regulator.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/regmap.h>
+
+/* Register definitions */
+#define MAX8973_VOUT 0x0
+#define MAX8973_VOUT_DVS 0x1
+#define MAX8973_CONTROL1 0x2
+#define MAX8973_CONTROL2 0x3
+#define MAX8973_CHIPID1 0x4
+#define MAX8973_CHIPID2 0x5
+
+#define MAX8973_MAX_VOUT_REG 2
+
+/* MAX8973_VOUT */
+#define MAX8973_VOUT_ENABLE BIT(7)
+#define MAX8973_VOUT_MASK 0x7F
+
+/* MAX8973_VOUT_DVS */
+#define MAX8973_DVS_VOUT_MASK 0x7F
+
+/* MAX8973_CONTROL1 */
+#define MAX8973_SNS_ENABLE BIT(7)
+#define MAX8973_FPWM_EN_M BIT(6)
+#define MAX8973_NFSR_ENABLE BIT(5)
+#define MAX8973_AD_ENABLE BIT(4)
+#define MAX8973_BIAS_ENABLE BIT(3)
+#define MAX8973_FREQSHIFT_9PER BIT(2)
+
+#define MAX8973_RAMP_12mV_PER_US 0x0
+#define MAX8973_RAMP_25mV_PER_US 0x1
+#define MAX8973_RAMP_50mV_PER_US 0x2
+#define MAX8973_RAMP_200mV_PER_US 0x3
+
+/* MAX8973_CONTROL2 */
+#define MAX8973_WDTMR_ENABLE BIT(6)
+#define MAX8973_DISCH_ENBABLE BIT(5)
+#define MAX8973_FT_ENABLE BIT(4)
+
+#define MAX8973_CKKADV_TRIP_DISABLE 0xC
+#define MAX8973_CKKADV_TRIP_75mV_PER_US 0x0
+#define MAX8973_CKKADV_TRIP_150mV_PER_US 0x4
+#define MAX8973_CKKADV_TRIP_75mV_PER_US_HIST_DIS 0x8
+#define MAX8973_CONTROL_CLKADV_TRIP_MASK 0x00030000
+
+#define MAX8973_INDUCTOR_MIN_30_PER 0x0
+#define MAX8973_INDUCTOR_NOMINAL 0x1
+#define MAX8973_INDUCTOR_PLUS_30_PER 0x2
+#define MAX8973_INDUCTOR_PLUS_60_PER 0x3
+#define MAX8973_CONTROL_INDUCTOR_VALUE_MASK 0x00300000
+
+#define MAX8973_MIN_VOLATGE 606250
+#define MAX8973_MAX_VOLATGE 1400000
+#define MAX8973_VOLATGE_STEP 6250
+#define MAX8973_BUCK_N_VOLTAGE 0x80
+
+/* Maxim 8973 chip information */
+struct max8973_chip {
+ struct device *dev;
+ struct regulator_desc desc;
+ struct regulator_dev *rdev;
+ struct regmap *regmap;
+ bool enable_external_control;
+ int dvs_gpio;
+ int lru_index[MAX8973_MAX_VOUT_REG];
+ int curr_vout_val[MAX8973_MAX_VOUT_REG];
+ int curr_vout_reg;
+ int curr_gpio_val;
+ bool valid_dvs_gpio;
+};
+
+/*
+ * find_voltage_set_register: Find new voltage configuration register (VOUT).
+ * The finding of the new VOUT register will be based on the LRU mechanism.
+ * Each VOUT register will have different voltage configured . This
+ * Function will look if any of the VOUT register have requested voltage set
+ * or not.
+ * - If it is already there then it will make that register as most
+ * recently used and return as found so that caller need not to set
+ * the VOUT register but need to set the proper gpios to select this
+ * VOUT register.
+ * - If requested voltage is not found then it will use the least
+ * recently mechanism to get new VOUT register for new configuration
+ * and will return not_found so that caller need to set new VOUT
+ * register and then gpios (both).
+ */
+static bool find_voltage_set_register(struct max8973_chip *tps,
+ int req_vsel, int *vout_reg, int *gpio_val)
+{
+ int i;
+ bool found = false;
+ int new_vout_reg = tps->lru_index[MAX8973_MAX_VOUT_REG - 1];
+ int found_index = MAX8973_MAX_VOUT_REG - 1;
+
+ for (i = 0; i < MAX8973_MAX_VOUT_REG; ++i) {
+ if (tps->curr_vout_val[tps->lru_index[i]] == req_vsel) {
+ new_vout_reg = tps->lru_index[i];
+ found_index = i;
+ found = true;
+ goto update_lru_index;
+ }
+ }
+
+update_lru_index:
+ for (i = found_index; i > 0; i--)
+ tps->lru_index[i] = tps->lru_index[i - 1];
+
+ tps->lru_index[0] = new_vout_reg;
+ *gpio_val = new_vout_reg;
+ *vout_reg = MAX8973_VOUT + new_vout_reg;
+ return found;
+}
+
+static int max8973_dcdc_get_voltage_sel(struct regulator_dev *rdev)
+{
+ struct max8973_chip *max = rdev_get_drvdata(rdev);
+ unsigned int data;
+ int ret;
+
+ ret = regmap_read(max->regmap, max->curr_vout_reg, &data);
+ if (ret < 0) {
+ dev_err(max->dev, "register %d read failed, err = %d\n",
+ max->curr_vout_reg, ret);
+ return ret;
+ }
+ return data & MAX8973_VOUT_MASK;
+}
+
+static int max8973_dcdc_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned vsel)
+{
+ struct max8973_chip *max = rdev_get_drvdata(rdev);
+ int ret;
+ bool found = false;
+ int vout_reg = max->curr_vout_reg;
+ int gpio_val = max->curr_gpio_val;
+
+ /*
+ * If gpios are available to select the VOUT register then least
+ * recently used register for new configuration.
+ */
+ if (max->valid_dvs_gpio)
+ found = find_voltage_set_register(max, vsel,
+ &vout_reg, &gpio_val);
+
+ if (!found) {
+ ret = regmap_update_bits(max->regmap, vout_reg,
+ MAX8973_VOUT_MASK, vsel);
+ if (ret < 0) {
+ dev_err(max->dev, "register %d update failed, err %d\n",
+ vout_reg, ret);
+ return ret;
+ }
+ max->curr_vout_reg = vout_reg;
+ max->curr_vout_val[gpio_val] = vsel;
+ }
+
+ /* Select proper VOUT register vio gpios */
+ if (max->valid_dvs_gpio) {
+ gpio_set_value_cansleep(max->dvs_gpio, gpio_val & 0x1);
+ max->curr_gpio_val = gpio_val;
+ }
+ return 0;
+}
+
+static int max8973_dcdc_set_mode(struct regulator_dev *rdev, unsigned int mode)
+{
+ struct max8973_chip *max = rdev_get_drvdata(rdev);
+ int ret;
+ int pwm;
+
+ /* Enable force PWM mode in FAST mode only. */
+ switch (mode) {
+ case REGULATOR_MODE_FAST:
+ pwm = MAX8973_FPWM_EN_M;
+ break;
+
+ case REGULATOR_MODE_NORMAL:
+ pwm = 0;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ ret = regmap_update_bits(max->regmap, MAX8973_CONTROL1,
+ MAX8973_FPWM_EN_M, pwm);
+ if (ret < 0)
+ dev_err(max->dev, "register %d update failed, err %d\n",
+ MAX8973_CONTROL1, ret);
+ return ret;
+}
+
+static unsigned int max8973_dcdc_get_mode(struct regulator_dev *rdev)
+{
+ struct max8973_chip *max = rdev_get_drvdata(rdev);
+ unsigned int data;
+ int ret;
+
+ ret = regmap_read(max->regmap, MAX8973_CONTROL1, &data);
+ if (ret < 0) {
+ dev_err(max->dev, "register %d read failed, err %d\n",
+ MAX8973_CONTROL1, ret);
+ return ret;
+ }
+ return (data & MAX8973_FPWM_EN_M) ?
+ REGULATOR_MODE_FAST : REGULATOR_MODE_NORMAL;
+}
+
+static struct regulator_ops max8973_dcdc_ops = {
+ .get_voltage_sel = max8973_dcdc_get_voltage_sel,
+ .set_voltage_sel = max8973_dcdc_set_voltage_sel,
+ .list_voltage = regulator_list_voltage_linear,
+ .set_mode = max8973_dcdc_set_mode,
+ .get_mode = max8973_dcdc_get_mode,
+};
+
+static int __devinit max8973_init_dcdc(struct max8973_chip *max,
+ struct max8973_regulator_platform_data *pdata)
+{
+ int ret;
+ uint8_t control1 = 0;
+ uint8_t control2 = 0;
+
+ if (pdata->control_flags & MAX8973_CONTROL_REMOTE_SENSE_ENABLE)
+ control1 |= MAX8973_SNS_ENABLE;
+
+ if (!(pdata->control_flags & MAX8973_CONTROL_FALLING_SLEW_RATE_ENABLE))
+ control1 |= MAX8973_NFSR_ENABLE;
+
+ if (pdata->control_flags & MAX8973_CONTROL_OUTPUT_ACTIVE_DISCH_ENABLE)
+ control1 |= MAX8973_AD_ENABLE;
+
+ if (pdata->control_flags & MAX8973_CONTROL_BIAS_ENABLE)
+ control1 |= MAX8973_BIAS_ENABLE;
+
+ if (pdata->control_flags & MAX8973_CONTROL_FREQ_SHIFT_9PER_ENABLE)
+ control1 |= MAX8973_FREQSHIFT_9PER;
+
+ /* Set ramp delay */
+ if (pdata->reg_init_data &&
+ pdata->reg_init_data->constraints.ramp_delay) {
+ if (pdata->reg_init_data->constraints.ramp_delay < 25000)
+ control1 = MAX8973_RAMP_12mV_PER_US;
+ else if (pdata->reg_init_data->constraints.ramp_delay < 50000)
+ control1 = MAX8973_RAMP_25mV_PER_US;
+ else if (pdata->reg_init_data->constraints.ramp_delay < 200000)
+ control1 = MAX8973_RAMP_50mV_PER_US;
+ else
+ control1 = MAX8973_RAMP_200mV_PER_US;
+ } else {
+ control1 = MAX8973_RAMP_12mV_PER_US;
+ max->desc.ramp_delay = 12500;
+ }
+
+ if (!(pdata->control_flags & MAX8973_CONTROL_PULL_DOWN_ENABLE))
+ control2 |= MAX8973_DISCH_ENBABLE;
+
+ /* Clock advance trip configuration */
+ switch (pdata->control_flags & MAX8973_CONTROL_CLKADV_TRIP_MASK) {
+ case MAX8973_CONTROL_CLKADV_TRIP_DISABLED:
+ control2 |= MAX8973_CKKADV_TRIP_DISABLE;
+ break;
+
+ case MAX8973_CONTROL_CLKADV_TRIP_75mV_PER_US:
+ control2 |= MAX8973_CKKADV_TRIP_75mV_PER_US;
+ break;
+
+ case MAX8973_CONTROL_CLKADV_TRIP_150mV_PER_US:
+ control2 |= MAX8973_CKKADV_TRIP_150mV_PER_US;
+ break;
+
+ case MAX8973_CONTROL_CLKADV_TRIP_75mV_PER_US_HIST_DIS:
+ control2 |= MAX8973_CKKADV_TRIP_75mV_PER_US_HIST_DIS;
+ break;
+ }
+
+ /* Configure inductor value */
+ switch (pdata->control_flags & MAX8973_CONTROL_INDUCTOR_VALUE_MASK) {
+ case MAX8973_CONTROL_INDUCTOR_VALUE_NOMINAL:
+ control2 |= MAX8973_INDUCTOR_NOMINAL;
+ break;
+
+ case MAX8973_CONTROL_INDUCTOR_VALUE_MINUS_30_PER:
+ control2 |= MAX8973_INDUCTOR_MIN_30_PER;
+ break;
+
+ case MAX8973_CONTROL_INDUCTOR_VALUE_PLUS_30_PER:
+ control2 |= MAX8973_INDUCTOR_PLUS_30_PER;
+ break;
+
+ case MAX8973_CONTROL_INDUCTOR_VALUE_PLUS_60_PER:
+ control2 |= MAX8973_INDUCTOR_PLUS_60_PER;
+ break;
+ }
+
+ ret = regmap_write(max->regmap, MAX8973_CONTROL1, control1);
+ if (ret < 0) {
+ dev_err(max->dev, "register %d write failed, err = %d",
+ MAX8973_CONTROL1, ret);
+ return ret;
+ }
+
+ ret = regmap_write(max->regmap, MAX8973_CONTROL2, control2);
+ if (ret < 0) {
+ dev_err(max->dev, "register %d write failed, err = %d",
+ MAX8973_CONTROL2, ret);
+ return ret;
+ }
+
+ /* If external control is enabled then disable EN bit */
+ if (max->enable_external_control) {
+ ret = regmap_update_bits(max->regmap, MAX8973_VOUT,
+ MAX8973_VOUT_ENABLE, 0);
+ if (ret < 0)
+ dev_err(max->dev, "register %d update failed, err = %d",
+ MAX8973_VOUT, ret);
+ }
+ return ret;
+}
+
+static const struct regmap_config max8973_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = MAX8973_CHIPID2,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static int __devinit max8973_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct max8973_regulator_platform_data *pdata;
+ struct regulator_config config = { };
+ struct regulator_dev *rdev;
+ struct max8973_chip *max;
+ int ret;
+
+ pdata = client->dev.platform_data;
+ if (!pdata) {
+ dev_err(&client->dev, "No Platform data");
+ return -EIO;
+ }
+
+ max = devm_kzalloc(&client->dev, sizeof(*max), GFP_KERNEL);
+ if (!max) {
+ dev_err(&client->dev, "Memory allocation for max failed\n");
+ return -ENOMEM;
+ }
+
+ max->regmap = devm_regmap_init_i2c(client, &max8973_regmap_config);
+ if (IS_ERR(max->regmap)) {
+ ret = PTR_ERR(max->regmap);
+ dev_err(&client->dev, "regmap init failed, err %d\n", ret);
+ return ret;
+ }
+
+ i2c_set_clientdata(client, max);
+ max->dev = &client->dev;
+ max->desc.name = id->name;
+ max->desc.id = 0;
+ max->desc.ops = &max8973_dcdc_ops;
+ max->desc.type = REGULATOR_VOLTAGE;
+ max->desc.owner = THIS_MODULE;
+ max->desc.min_uV = MAX8973_MIN_VOLATGE;
+ max->desc.uV_step = MAX8973_VOLATGE_STEP;
+ max->desc.n_voltages = MAX8973_BUCK_N_VOLTAGE;
+
+ if (!pdata->enable_ext_control) {
+ max->desc.enable_reg = MAX8973_VOUT;
+ max->desc.enable_mask = MAX8973_VOUT_ENABLE;
+ max8973_dcdc_ops.enable = regulator_enable_regmap;
+ max8973_dcdc_ops.disable = regulator_disable_regmap;
+ max8973_dcdc_ops.is_enabled = regulator_is_enabled_regmap;
+ }
+
+ max->enable_external_control = pdata->enable_ext_control;
+ max->dvs_gpio = pdata->dvs_gpio;
+ max->curr_gpio_val = pdata->dvs_def_state;
+ max->curr_vout_reg = MAX8973_VOUT + pdata->dvs_def_state;
+ max->lru_index[0] = max->curr_vout_reg;
+ max->valid_dvs_gpio = false;
+
+ if (gpio_is_valid(max->dvs_gpio)) {
+ int gpio_flags;
+ int i;
+
+ gpio_flags = (pdata->dvs_def_state) ?
+ GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
+ ret = devm_gpio_request_one(&client->dev, max->dvs_gpio,
+ gpio_flags, "max8973-dvs");
+ if (ret) {
+ dev_err(&client->dev,
+ "gpio_request for gpio %d failed, err = %d\n",
+ max->dvs_gpio, ret);
+ return ret;
+ }
+ max->valid_dvs_gpio = true;
+
+ /*
+ * Initialize the lru index with vout_reg id
+ * The index 0 will be most recently used and
+ * set with the max->curr_vout_reg */
+ for (i = 0; i < MAX8973_MAX_VOUT_REG; ++i)
+ max->lru_index[i] = i;
+ max->lru_index[0] = max->curr_vout_reg;
+ max->lru_index[max->curr_vout_reg] = 0;
+ }
+
+ ret = max8973_init_dcdc(max, pdata);
+ if (ret < 0) {
+ dev_err(max->dev, "Max8973 Init failed, err = %d\n", ret);
+ return ret;
+ }
+
+ config.dev = &client->dev;
+ config.init_data = pdata->reg_init_data;
+ config.driver_data = max;
+ config.of_node = client->dev.of_node;
+ config.regmap = max->regmap;
+
+ /* Register the regulators */
+ rdev = regulator_register(&max->desc, &config);
+ if (IS_ERR(rdev)) {
+ ret = PTR_ERR(rdev);
+ dev_err(max->dev, "regulator register failed, err %d\n", ret);
+ return ret;
+ }
+
+ max->rdev = rdev;
+ return 0;
+}
+
+static int __devexit max8973_remove(struct i2c_client *client)
+{
+ struct max8973_chip *max = i2c_get_clientdata(client);
+
+ regulator_unregister(max->rdev);
+ return 0;
+}
+
+static const struct i2c_device_id max8973_id[] = {
+ {.name = "max8973",},
+ {},
+};
+
+MODULE_DEVICE_TABLE(i2c, max8973_id);
+
+static struct i2c_driver max8973_i2c_driver = {
+ .driver = {
+ .name = "max8973",
+ .owner = THIS_MODULE,
+ },
+ .probe = max8973_probe,
+ .remove = __devexit_p(max8973_remove),
+ .id_table = max8973_id,
+};
+
+static int __init max8973_init(void)
+{
+ return i2c_add_driver(&max8973_i2c_driver);
+}
+subsys_initcall(max8973_init);
+
+static void __exit max8973_cleanup(void)
+{
+ i2c_del_driver(&max8973_i2c_driver);
+}
+module_exit(max8973_cleanup);
+
+MODULE_AUTHOR("Laxman Dewangan <ldewangan@nvidia.com>");
+MODULE_DESCRIPTION("MAX8973 voltage regulator driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 33297bc..bce2565 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -290,7 +290,7 @@
if (vsel > dcdc->dvs_vsel) {
ret = wm831x_set_bits(wm831x, dvs_reg,
WM831X_DC1_DVS_VSEL_MASK,
- dcdc->dvs_vsel);
+ vsel);
if (ret == 0)
dcdc->dvs_vsel = vsel;
else
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index c1bafc3..9594ab6 100644
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -1972,7 +1972,7 @@
frame_index,
(void **)&frame_buffer);
- sci_controller_copy_sata_response(&ireq->stp.req,
+ sci_controller_copy_sata_response(&ireq->stp.rsp,
frame_header,
frame_buffer);
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 2936b44..2c0d0ec 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -55,6 +55,7 @@
#include <linux/cpu.h>
#include <linux/mutex.h>
#include <linux/async.h>
+#include <asm/unaligned.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -1062,6 +1063,50 @@
EXPORT_SYMBOL_GPL(scsi_get_vpd_page);
/**
+ * scsi_report_opcode - Find out if a given command opcode is supported
+ * @sdev: scsi device to query
+ * @buffer: scratch buffer (must be at least 20 bytes long)
+ * @len: length of buffer
+ * @opcode: opcode for command to look up
+ *
+ * Uses the REPORT SUPPORTED OPERATION CODES to look up the given
+ * opcode. Returns 0 if RSOC fails or if the command opcode is
+ * unsupported. Returns 1 if the device claims to support the command.
+ */
+int scsi_report_opcode(struct scsi_device *sdev, unsigned char *buffer,
+ unsigned int len, unsigned char opcode)
+{
+ unsigned char cmd[16];
+ struct scsi_sense_hdr sshdr;
+ int result;
+
+ if (sdev->no_report_opcodes || sdev->scsi_level < SCSI_SPC_3)
+ return 0;
+
+ memset(cmd, 0, 16);
+ cmd[0] = MAINTENANCE_IN;
+ cmd[1] = MI_REPORT_SUPPORTED_OPERATION_CODES;
+ cmd[2] = 1; /* One command format */
+ cmd[3] = opcode;
+ put_unaligned_be32(len, &cmd[6]);
+ memset(buffer, 0, len);
+
+ result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer, len,
+ &sshdr, 30 * HZ, 3, NULL);
+
+ if (result && scsi_sense_valid(&sshdr) &&
+ sshdr.sense_key == ILLEGAL_REQUEST &&
+ (sshdr.asc == 0x20 || sshdr.asc == 0x24) && sshdr.ascq == 0x00)
+ return 0;
+
+ if ((buffer[1] & 3) == 3) /* Command supported */
+ return 1;
+
+ return 0;
+}
+EXPORT_SYMBOL(scsi_report_opcode);
+
+/**
* scsi_device_get - get an additional reference to a scsi_device
* @sdev: device to get a reference to
*
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index da36a3a..9032e91 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -900,11 +900,23 @@
action = ACTION_FAIL;
error = -EILSEQ;
/* INVALID COMMAND OPCODE or INVALID FIELD IN CDB */
- } else if ((sshdr.asc == 0x20 || sshdr.asc == 0x24) &&
- (cmd->cmnd[0] == UNMAP ||
- cmd->cmnd[0] == WRITE_SAME_16 ||
- cmd->cmnd[0] == WRITE_SAME)) {
- description = "Discard failure";
+ } else if (sshdr.asc == 0x20 || sshdr.asc == 0x24) {
+ switch (cmd->cmnd[0]) {
+ case UNMAP:
+ description = "Discard failure";
+ break;
+ case WRITE_SAME:
+ case WRITE_SAME_16:
+ if (cmd->cmnd[1] & 0x8)
+ description = "Discard failure";
+ else
+ description =
+ "Write same failure";
+ break;
+ default:
+ description = "Invalid command failure";
+ break;
+ }
action = ACTION_FAIL;
error = -EREMOTEIO;
} else
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 12f6fdf..352bc77 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -99,6 +99,7 @@
#endif
static void sd_config_discard(struct scsi_disk *, unsigned int);
+static void sd_config_write_same(struct scsi_disk *);
static int sd_revalidate_disk(struct gendisk *);
static void sd_unlock_native_capacity(struct gendisk *disk);
static int sd_probe(struct device *);
@@ -395,6 +396,45 @@
return err ? err : count;
}
+static ssize_t
+sd_show_write_same_blocks(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_disk *sdkp = to_scsi_disk(dev);
+
+ return snprintf(buf, 20, "%u\n", sdkp->max_ws_blocks);
+}
+
+static ssize_t
+sd_store_write_same_blocks(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct scsi_disk *sdkp = to_scsi_disk(dev);
+ struct scsi_device *sdp = sdkp->device;
+ unsigned long max;
+ int err;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EACCES;
+
+ if (sdp->type != TYPE_DISK)
+ return -EINVAL;
+
+ err = kstrtoul(buf, 10, &max);
+
+ if (err)
+ return err;
+
+ if (max == 0)
+ sdp->no_write_same = 1;
+ else if (max <= SD_MAX_WS16_BLOCKS)
+ sdkp->max_ws_blocks = max;
+
+ sd_config_write_same(sdkp);
+
+ return count;
+}
+
static struct device_attribute sd_disk_attrs[] = {
__ATTR(cache_type, S_IRUGO|S_IWUSR, sd_show_cache_type,
sd_store_cache_type),
@@ -410,6 +450,8 @@
__ATTR(thin_provisioning, S_IRUGO, sd_show_thin_provisioning, NULL),
__ATTR(provisioning_mode, S_IRUGO|S_IWUSR, sd_show_provisioning_mode,
sd_store_provisioning_mode),
+ __ATTR(max_write_same_blocks, S_IRUGO|S_IWUSR,
+ sd_show_write_same_blocks, sd_store_write_same_blocks),
__ATTR(max_medium_access_timeouts, S_IRUGO|S_IWUSR,
sd_show_max_medium_access_timeouts,
sd_store_max_medium_access_timeouts),
@@ -561,19 +603,23 @@
return;
case SD_LBP_UNMAP:
- max_blocks = min_not_zero(sdkp->max_unmap_blocks, 0xffffffff);
+ max_blocks = min_not_zero(sdkp->max_unmap_blocks,
+ (u32)SD_MAX_WS16_BLOCKS);
break;
case SD_LBP_WS16:
- max_blocks = min_not_zero(sdkp->max_ws_blocks, 0xffffffff);
+ max_blocks = min_not_zero(sdkp->max_ws_blocks,
+ (u32)SD_MAX_WS16_BLOCKS);
break;
case SD_LBP_WS10:
- max_blocks = min_not_zero(sdkp->max_ws_blocks, (u32)0xffff);
+ max_blocks = min_not_zero(sdkp->max_ws_blocks,
+ (u32)SD_MAX_WS10_BLOCKS);
break;
case SD_LBP_ZERO:
- max_blocks = min_not_zero(sdkp->max_ws_blocks, (u32)0xffff);
+ max_blocks = min_not_zero(sdkp->max_ws_blocks,
+ (u32)SD_MAX_WS10_BLOCKS);
q->limits.discard_zeroes_data = 1;
break;
}
@@ -583,29 +629,26 @@
}
/**
- * scsi_setup_discard_cmnd - unmap blocks on thinly provisioned device
+ * sd_setup_discard_cmnd - unmap blocks on thinly provisioned device
* @sdp: scsi device to operate one
* @rq: Request to prepare
*
* Will issue either UNMAP or WRITE SAME(16) depending on preference
* indicated by target device.
**/
-static int scsi_setup_discard_cmnd(struct scsi_device *sdp, struct request *rq)
+static int sd_setup_discard_cmnd(struct scsi_device *sdp, struct request *rq)
{
struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
- struct bio *bio = rq->bio;
- sector_t sector = bio->bi_sector;
- unsigned int nr_sectors = bio_sectors(bio);
+ sector_t sector = blk_rq_pos(rq);
+ unsigned int nr_sectors = blk_rq_sectors(rq);
+ unsigned int nr_bytes = blk_rq_bytes(rq);
unsigned int len;
int ret;
char *buf;
struct page *page;
- if (sdkp->device->sector_size == 4096) {
- sector >>= 3;
- nr_sectors >>= 3;
- }
-
+ sector >>= ilog2(sdp->sector_size) - 9;
+ nr_sectors >>= ilog2(sdp->sector_size) - 9;
rq->timeout = SD_TIMEOUT;
memset(rq->cmd, 0, rq->cmd_len);
@@ -660,6 +703,7 @@
blk_add_request_payload(rq, page, len);
ret = scsi_setup_blk_pc_cmnd(sdp, rq);
rq->buffer = page_address(page);
+ rq->__data_len = nr_bytes;
out:
if (ret != BLKPREP_OK) {
@@ -669,6 +713,83 @@
return ret;
}
+static void sd_config_write_same(struct scsi_disk *sdkp)
+{
+ struct request_queue *q = sdkp->disk->queue;
+ unsigned int logical_block_size = sdkp->device->sector_size;
+ unsigned int blocks = 0;
+
+ if (sdkp->device->no_write_same) {
+ sdkp->max_ws_blocks = 0;
+ goto out;
+ }
+
+ /* Some devices can not handle block counts above 0xffff despite
+ * supporting WRITE SAME(16). Consequently we default to 64k
+ * blocks per I/O unless the device explicitly advertises a
+ * bigger limit.
+ */
+ if (sdkp->max_ws_blocks == 0)
+ sdkp->max_ws_blocks = SD_MAX_WS10_BLOCKS;
+
+ if (sdkp->ws16 || sdkp->max_ws_blocks > SD_MAX_WS10_BLOCKS)
+ blocks = min_not_zero(sdkp->max_ws_blocks,
+ (u32)SD_MAX_WS16_BLOCKS);
+ else
+ blocks = min_not_zero(sdkp->max_ws_blocks,
+ (u32)SD_MAX_WS10_BLOCKS);
+
+out:
+ blk_queue_max_write_same_sectors(q, blocks * (logical_block_size >> 9));
+}
+
+/**
+ * sd_setup_write_same_cmnd - write the same data to multiple blocks
+ * @sdp: scsi device to operate one
+ * @rq: Request to prepare
+ *
+ * Will issue either WRITE SAME(10) or WRITE SAME(16) depending on
+ * preference indicated by target device.
+ **/
+static int sd_setup_write_same_cmnd(struct scsi_device *sdp, struct request *rq)
+{
+ struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+ struct bio *bio = rq->bio;
+ sector_t sector = blk_rq_pos(rq);
+ unsigned int nr_sectors = blk_rq_sectors(rq);
+ unsigned int nr_bytes = blk_rq_bytes(rq);
+ int ret;
+
+ if (sdkp->device->no_write_same)
+ return BLKPREP_KILL;
+
+ BUG_ON(bio_offset(bio) || bio_iovec(bio)->bv_len != sdp->sector_size);
+
+ sector >>= ilog2(sdp->sector_size) - 9;
+ nr_sectors >>= ilog2(sdp->sector_size) - 9;
+
+ rq->__data_len = sdp->sector_size;
+ rq->timeout = SD_WRITE_SAME_TIMEOUT;
+ memset(rq->cmd, 0, rq->cmd_len);
+
+ if (sdkp->ws16 || sector > 0xffffffff || nr_sectors > 0xffff) {
+ rq->cmd_len = 16;
+ rq->cmd[0] = WRITE_SAME_16;
+ put_unaligned_be64(sector, &rq->cmd[2]);
+ put_unaligned_be32(nr_sectors, &rq->cmd[10]);
+ } else {
+ rq->cmd_len = 10;
+ rq->cmd[0] = WRITE_SAME;
+ put_unaligned_be32(sector, &rq->cmd[2]);
+ put_unaligned_be16(nr_sectors, &rq->cmd[7]);
+ }
+
+ ret = scsi_setup_blk_pc_cmnd(sdp, rq);
+ rq->__data_len = nr_bytes;
+
+ return ret;
+}
+
static int scsi_setup_flush_cmnd(struct scsi_device *sdp, struct request *rq)
{
rq->timeout = SD_FLUSH_TIMEOUT;
@@ -712,7 +833,10 @@
* block PC requests to make life easier.
*/
if (rq->cmd_flags & REQ_DISCARD) {
- ret = scsi_setup_discard_cmnd(sdp, rq);
+ ret = sd_setup_discard_cmnd(sdp, rq);
+ goto out;
+ } else if (rq->cmd_flags & REQ_WRITE_SAME) {
+ ret = sd_setup_write_same_cmnd(sdp, rq);
goto out;
} else if (rq->cmd_flags & REQ_FLUSH) {
ret = scsi_setup_flush_cmnd(sdp, rq);
@@ -1482,12 +1606,21 @@
unsigned int good_bytes = result ? 0 : scsi_bufflen(SCpnt);
struct scsi_sense_hdr sshdr;
struct scsi_disk *sdkp = scsi_disk(SCpnt->request->rq_disk);
+ struct request *req = SCpnt->request;
int sense_valid = 0;
int sense_deferred = 0;
unsigned char op = SCpnt->cmnd[0];
+ unsigned char unmap = SCpnt->cmnd[1] & 8;
- if ((SCpnt->request->cmd_flags & REQ_DISCARD) && !result)
- scsi_set_resid(SCpnt, 0);
+ if (req->cmd_flags & REQ_DISCARD || req->cmd_flags & REQ_WRITE_SAME) {
+ if (!result) {
+ good_bytes = blk_rq_bytes(req);
+ scsi_set_resid(SCpnt, 0);
+ } else {
+ good_bytes = 0;
+ scsi_set_resid(SCpnt, blk_rq_bytes(req));
+ }
+ }
if (result) {
sense_valid = scsi_command_normalize_sense(SCpnt, &sshdr);
@@ -1536,9 +1669,25 @@
if (sshdr.asc == 0x10) /* DIX: Host detected corruption */
good_bytes = sd_completed_bytes(SCpnt);
/* INVALID COMMAND OPCODE or INVALID FIELD IN CDB */
- if ((sshdr.asc == 0x20 || sshdr.asc == 0x24) &&
- (op == UNMAP || op == WRITE_SAME_16 || op == WRITE_SAME))
- sd_config_discard(sdkp, SD_LBP_DISABLE);
+ if (sshdr.asc == 0x20 || sshdr.asc == 0x24) {
+ switch (op) {
+ case UNMAP:
+ sd_config_discard(sdkp, SD_LBP_DISABLE);
+ break;
+ case WRITE_SAME_16:
+ case WRITE_SAME:
+ if (unmap)
+ sd_config_discard(sdkp, SD_LBP_DISABLE);
+ else {
+ sdkp->device->no_write_same = 1;
+ sd_config_write_same(sdkp);
+
+ good_bytes = 0;
+ req->__data_len = blk_rq_bytes(req);
+ req->cmd_flags |= REQ_QUIET;
+ }
+ }
+ }
break;
default:
break;
@@ -2374,9 +2523,7 @@
if (buffer[3] == 0x3c) {
unsigned int lba_count, desc_count;
- sdkp->max_ws_blocks =
- (u32) min_not_zero(get_unaligned_be64(&buffer[36]),
- (u64)0xffffffff);
+ sdkp->max_ws_blocks = (u32)get_unaligned_be64(&buffer[36]);
if (!sdkp->lbpme)
goto out;
@@ -2469,6 +2616,13 @@
kfree(buffer);
}
+static void sd_read_write_same(struct scsi_disk *sdkp, unsigned char *buffer)
+{
+ if (scsi_report_opcode(sdkp->device, buffer, SD_BUF_SIZE,
+ WRITE_SAME_16))
+ sdkp->ws16 = 1;
+}
+
static int sd_try_extended_inquiry(struct scsi_device *sdp)
{
/*
@@ -2528,6 +2682,7 @@
sd_read_write_protect_flag(sdkp, buffer);
sd_read_cache_type(sdkp, buffer);
sd_read_app_tag_own(sdkp, buffer);
+ sd_read_write_same(sdkp, buffer);
}
sdkp->first_scan = 0;
@@ -2545,6 +2700,7 @@
blk_queue_flush(sdkp->disk->queue, flush);
set_capacity(disk, sdkp->capacity);
+ sd_config_write_same(sdkp);
kfree(buffer);
out:
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 47c52a6..74a1e4c 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -14,6 +14,7 @@
#define SD_TIMEOUT (30 * HZ)
#define SD_MOD_TIMEOUT (75 * HZ)
#define SD_FLUSH_TIMEOUT (60 * HZ)
+#define SD_WRITE_SAME_TIMEOUT (120 * HZ)
/*
* Number of allowed retries
@@ -39,6 +40,11 @@
};
enum {
+ SD_MAX_WS10_BLOCKS = 0xffff,
+ SD_MAX_WS16_BLOCKS = 0x7fffff,
+};
+
+enum {
SD_LBP_FULL = 0, /* Full logical block provisioning */
SD_LBP_UNMAP, /* Use UNMAP command */
SD_LBP_WS16, /* Use WRITE SAME(16) with UNMAP bit */
@@ -77,6 +83,7 @@
unsigned lbpws : 1;
unsigned lbpws10 : 1;
unsigned lbpvpd : 1;
+ unsigned ws16 : 1;
};
#define to_scsi_disk(obj) container_of(obj,struct scsi_disk,dev)
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index a3d5436..92f35ab 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -186,6 +186,12 @@
/* Some devices don't handle VPD pages correctly */
sdev->skip_vpd_pages = 1;
+ /* Do not attempt to use REPORT SUPPORTED OPERATION CODES */
+ sdev->no_report_opcodes = 1;
+
+ /* Do not attempt to use WRITE SAME */
+ sdev->no_write_same = 1;
+
/* Some disks return the total number of blocks in response
* to READ CAPACITY rather than the highest block number.
* If this device makes that mistake, tell the sd driver. */
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index d64ac38..bee9284 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -365,11 +365,20 @@
struct omap_dss_output *out;
enum omap_dss_output_id id;
- id = module == 0 ? OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2;
+ switch (module) {
+ case 0:
+ id = OMAP_DSS_OUTPUT_DSI1;
+ break;
+ case 1:
+ id = OMAP_DSS_OUTPUT_DSI2;
+ break;
+ default:
+ return NULL;
+ }
out = omap_dss_get_output(id);
- return out->pdev;
+ return out ? out->pdev : NULL;
}
static inline void dsi_write_reg(struct platform_device *dsidev,
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 2ab1c3e..5f6eea8 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -697,11 +697,15 @@
dss.dss_clk = clk;
- clk = clk_get(NULL, dss.feat->clk_name);
- if (IS_ERR(clk)) {
- DSSERR("Failed to get %s\n", dss.feat->clk_name);
- r = PTR_ERR(clk);
- goto err;
+ if (dss.feat->clk_name) {
+ clk = clk_get(NULL, dss.feat->clk_name);
+ if (IS_ERR(clk)) {
+ DSSERR("Failed to get %s\n", dss.feat->clk_name);
+ r = PTR_ERR(clk);
+ goto err;
+ }
+ } else {
+ clk = NULL;
}
dss.dpll4_m4_ck = clk;
@@ -805,10 +809,10 @@
if (cpu_is_omap24xx())
src = &omap24xx_dss_feats;
- else if (cpu_is_omap34xx())
- src = &omap34xx_dss_feats;
else if (cpu_is_omap3630())
src = &omap3630_dss_feats;
+ else if (cpu_is_omap34xx())
+ src = &omap34xx_dss_feats;
else if (cpu_is_omap44xx())
src = &omap44xx_dss_feats;
else if (soc_is_omap54xx())
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index a48a7dd..8c9b8b3 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -644,8 +644,10 @@
{
mutex_lock(&hdmi.lock);
- if (hdmi_runtime_get())
+ if (hdmi_runtime_get()) {
+ mutex_unlock(&hdmi.lock);
return;
+ }
hdmi.ip_data.ops->dump_wrapper(&hdmi.ip_data, s);
hdmi.ip_data.ops->dump_pll(&hdmi.ip_data, s);
diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c
index 606b89f..d630b26 100644
--- a/drivers/video/omap2/omapfb/omapfb-ioctl.c
+++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c
@@ -787,7 +787,7 @@
case OMAPFB_WAITFORVSYNC:
DBG("ioctl WAITFORVSYNC\n");
- if (!display && !display->output && !display->output->manager) {
+ if (!display || !display->output || !display->output->manager) {
r = -EINVAL;
break;
}
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 8adb9cc..71f5c45 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -361,13 +361,13 @@
down_write(&mm->mmap_sem);
vma = find_vma(mm, m.addr);
- ret = -EINVAL;
if (!vma ||
vma->vm_ops != &privcmd_vm_ops ||
(m.addr != vma->vm_start) ||
((m.addr + (nr_pages << PAGE_SHIFT)) != vma->vm_end) ||
!privcmd_enforce_singleshot_mapping(vma)) {
up_write(&mm->mmap_sem);
+ ret = -EINVAL;
goto out;
}
@@ -383,12 +383,16 @@
up_write(&mm->mmap_sem);
- if (state.global_error && (version == 1)) {
- /* Write back errors in second pass. */
- state.user_mfn = (xen_pfn_t *)m.arr;
- state.err = err_array;
- ret = traverse_pages(m.num, sizeof(xen_pfn_t),
- &pagelist, mmap_return_errors_v1, &state);
+ if (version == 1) {
+ if (state.global_error) {
+ /* Write back errors in second pass. */
+ state.user_mfn = (xen_pfn_t *)m.arr;
+ state.err = err_array;
+ ret = traverse_pages(m.num, sizeof(xen_pfn_t),
+ &pagelist, mmap_return_errors_v1, &state);
+ } else
+ ret = 0;
+
} else if (version == 2) {
ret = __copy_to_user(m.err, err_array, m.num * sizeof(int));
if (ret)
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index 7320a66..22548f5 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -2101,8 +2101,9 @@
end = start + (range->len >> sb->s_blocksize_bits) - 1;
minlen = range->minlen >> sb->s_blocksize_bits;
- if (unlikely(minlen > EXT3_BLOCKS_PER_GROUP(sb)) ||
- unlikely(start >= max_blks))
+ if (minlen > EXT3_BLOCKS_PER_GROUP(sb) ||
+ start >= max_blks ||
+ range->len < sb->s_blocksize)
return -EINVAL;
if (end >= max_blks)
end = max_blks - 1;
diff --git a/fs/file.c b/fs/file.c
index 708d997..7cb71b9 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -685,7 +685,6 @@
struct fdtable *fdt;
/* exec unshares first */
- BUG_ON(atomic_read(&files->count) != 1);
spin_lock(&files->file_lock);
for (i = 0; ; i++) {
unsigned long set;
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index 60ef3fb..1506673 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -138,33 +138,39 @@
struct page *pg;
struct inode *inode = mapping->host;
struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
+ struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
+ struct jffs2_raw_inode ri;
+ uint32_t alloc_len = 0;
pgoff_t index = pos >> PAGE_CACHE_SHIFT;
uint32_t pageofs = index << PAGE_CACHE_SHIFT;
int ret = 0;
- pg = grab_cache_page_write_begin(mapping, index, flags);
- if (!pg)
- return -ENOMEM;
- *pagep = pg;
-
jffs2_dbg(1, "%s()\n", __func__);
if (pageofs > inode->i_size) {
+ ret = jffs2_reserve_space(c, sizeof(ri), &alloc_len,
+ ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE);
+ if (ret)
+ return ret;
+ }
+
+ mutex_lock(&f->sem);
+ pg = grab_cache_page_write_begin(mapping, index, flags);
+ if (!pg) {
+ if (alloc_len)
+ jffs2_complete_reservation(c);
+ mutex_unlock(&f->sem);
+ return -ENOMEM;
+ }
+ *pagep = pg;
+
+ if (alloc_len) {
/* Make new hole frag from old EOF to new page */
- struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
- struct jffs2_raw_inode ri;
struct jffs2_full_dnode *fn;
- uint32_t alloc_len;
jffs2_dbg(1, "Writing new hole frag 0x%x-0x%x between current EOF and new page\n",
(unsigned int)inode->i_size, pageofs);
- ret = jffs2_reserve_space(c, sizeof(ri), &alloc_len,
- ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE);
- if (ret)
- goto out_page;
-
- mutex_lock(&f->sem);
memset(&ri, 0, sizeof(ri));
ri.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
@@ -191,7 +197,6 @@
if (IS_ERR(fn)) {
ret = PTR_ERR(fn);
jffs2_complete_reservation(c);
- mutex_unlock(&f->sem);
goto out_page;
}
ret = jffs2_add_full_dnode_to_inode(c, f, fn);
@@ -206,12 +211,10 @@
jffs2_mark_node_obsolete(c, fn->raw);
jffs2_free_full_dnode(fn);
jffs2_complete_reservation(c);
- mutex_unlock(&f->sem);
goto out_page;
}
jffs2_complete_reservation(c);
inode->i_size = pageofs;
- mutex_unlock(&f->sem);
}
/*
@@ -220,18 +223,18 @@
* case of a short-copy.
*/
if (!PageUptodate(pg)) {
- mutex_lock(&f->sem);
ret = jffs2_do_readpage_nolock(inode, pg);
- mutex_unlock(&f->sem);
if (ret)
goto out_page;
}
+ mutex_unlock(&f->sem);
jffs2_dbg(1, "end write_begin(). pg->flags %lx\n", pg->flags);
return ret;
out_page:
unlock_page(pg);
page_cache_release(pg);
+ mutex_unlock(&f->sem);
return ret;
}
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 721d692..6fcaeb8 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -258,7 +258,8 @@
if (ret)
goto out_close_fd;
- fd_install(fd, f);
+ if (fd != FAN_NOFD)
+ fd_install(fd, f);
return fanotify_event_metadata.event_len;
out_close_fd:
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index f27f01a..d83736f 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1782,8 +1782,9 @@
BUG_ON(!th->t_trans_id);
- dquot_initialize(inode);
+ reiserfs_write_unlock(inode->i_sb);
err = dquot_alloc_inode(inode);
+ reiserfs_write_lock(inode->i_sb);
if (err)
goto out_end_trans;
if (!dir->i_nlink) {
@@ -1979,8 +1980,10 @@
out_end_trans:
journal_end(th, th->t_super, th->t_blocks_allocated);
+ reiserfs_write_unlock(inode->i_sb);
/* Drop can be outside and it needs more credits so it's better to have it outside */
dquot_drop(inode);
+ reiserfs_write_lock(inode->i_sb);
inode->i_flags |= S_NOQUOTA;
make_bad_inode(inode);
@@ -3103,10 +3106,9 @@
/* must be turned off for recursive notify_change calls */
ia_valid = attr->ia_valid &= ~(ATTR_KILL_SUID|ATTR_KILL_SGID);
- depth = reiserfs_write_lock_once(inode->i_sb);
if (is_quota_modification(inode, attr))
dquot_initialize(inode);
-
+ depth = reiserfs_write_lock_once(inode->i_sb);
if (attr->ia_valid & ATTR_SIZE) {
/* version 2 items will be caught by the s_maxbytes check
** done for us in vmtruncate
@@ -3170,7 +3172,9 @@
error = journal_begin(&th, inode->i_sb, jbegin_count);
if (error)
goto out;
+ reiserfs_write_unlock_once(inode->i_sb, depth);
error = dquot_transfer(inode, attr);
+ depth = reiserfs_write_lock_once(inode->i_sb);
if (error) {
journal_end(&th, inode->i_sb, jbegin_count);
goto out;
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
index f8afa4b..2f40a4c 100644
--- a/fs/reiserfs/stree.c
+++ b/fs/reiserfs/stree.c
@@ -1968,7 +1968,9 @@
key2type(&(key->on_disk_key)));
#endif
+ reiserfs_write_unlock(inode->i_sb);
retval = dquot_alloc_space_nodirty(inode, pasted_size);
+ reiserfs_write_lock(inode->i_sb);
if (retval) {
pathrelse(search_path);
return retval;
@@ -2061,9 +2063,11 @@
"reiserquota insert_item(): allocating %u id=%u type=%c",
quota_bytes, inode->i_uid, head2type(ih));
#endif
+ reiserfs_write_unlock(inode->i_sb);
/* We can't dirty inode here. It would be immediately written but
* appropriate stat item isn't inserted yet... */
retval = dquot_alloc_space_nodirty(inode, quota_bytes);
+ reiserfs_write_lock(inode->i_sb);
if (retval) {
pathrelse(path);
return retval;
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 1078ae1..418bdc3 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -298,7 +298,9 @@
retval = remove_save_link_only(s, &save_link_key, 0);
continue;
}
+ reiserfs_write_unlock(s);
dquot_initialize(inode);
+ reiserfs_write_lock(s);
if (truncate && S_ISDIR(inode->i_mode)) {
/* We got a truncate request for a dir which is impossible.
@@ -1335,7 +1337,7 @@
kfree(qf_names[i]);
#endif
err = -EINVAL;
- goto out_err;
+ goto out_unlock;
}
#ifdef CONFIG_QUOTA
handle_quota_files(s, qf_names, &qfmt);
@@ -1379,7 +1381,7 @@
if (blocks) {
err = reiserfs_resize(s, blocks);
if (err != 0)
- goto out_err;
+ goto out_unlock;
}
if (*mount_flags & MS_RDONLY) {
@@ -1389,9 +1391,15 @@
/* it is read-only already */
goto out_ok;
+ /*
+ * Drop write lock. Quota will retake it when needed and lock
+ * ordering requires calling dquot_suspend() without it.
+ */
+ reiserfs_write_unlock(s);
err = dquot_suspend(s, -1);
if (err < 0)
goto out_err;
+ reiserfs_write_lock(s);
/* try to remount file system with read-only permissions */
if (sb_umount_state(rs) == REISERFS_VALID_FS
@@ -1401,7 +1409,7 @@
err = journal_begin(&th, s, 10);
if (err)
- goto out_err;
+ goto out_unlock;
/* Mounting a rw partition read-only. */
reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1);
@@ -1416,7 +1424,7 @@
if (reiserfs_is_journal_aborted(journal)) {
err = journal->j_errno;
- goto out_err;
+ goto out_unlock;
}
handle_data_mode(s, mount_options);
@@ -1425,7 +1433,7 @@
s->s_flags &= ~MS_RDONLY; /* now it is safe to call journal_begin */
err = journal_begin(&th, s, 10);
if (err)
- goto out_err;
+ goto out_unlock;
/* Mount a partition which is read-only, read-write */
reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1);
@@ -1442,10 +1450,16 @@
SB_JOURNAL(s)->j_must_wait = 1;
err = journal_end(&th, s, 10);
if (err)
- goto out_err;
+ goto out_unlock;
if (!(*mount_flags & MS_RDONLY)) {
+ /*
+ * Drop write lock. Quota will retake it when needed and lock
+ * ordering requires calling dquot_resume() without it.
+ */
+ reiserfs_write_unlock(s);
dquot_resume(s, -1);
+ reiserfs_write_lock(s);
finish_unfinished(s);
reiserfs_xattr_init(s, *mount_flags);
}
@@ -1455,9 +1469,10 @@
reiserfs_write_unlock(s);
return 0;
+out_unlock:
+ reiserfs_write_unlock(s);
out_err:
kfree(new_opts);
- reiserfs_write_unlock(s);
return err;
}
@@ -2095,13 +2110,15 @@
REISERFS_QUOTA_TRANS_BLOCKS(dquot->dq_sb));
if (ret)
goto out;
+ reiserfs_write_unlock(dquot->dq_sb);
ret = dquot_commit(dquot);
+ reiserfs_write_lock(dquot->dq_sb);
err =
journal_end(&th, dquot->dq_sb,
REISERFS_QUOTA_TRANS_BLOCKS(dquot->dq_sb));
if (!ret && err)
ret = err;
- out:
+out:
reiserfs_write_unlock(dquot->dq_sb);
return ret;
}
@@ -2117,13 +2134,15 @@
REISERFS_QUOTA_INIT_BLOCKS(dquot->dq_sb));
if (ret)
goto out;
+ reiserfs_write_unlock(dquot->dq_sb);
ret = dquot_acquire(dquot);
+ reiserfs_write_lock(dquot->dq_sb);
err =
journal_end(&th, dquot->dq_sb,
REISERFS_QUOTA_INIT_BLOCKS(dquot->dq_sb));
if (!ret && err)
ret = err;
- out:
+out:
reiserfs_write_unlock(dquot->dq_sb);
return ret;
}
@@ -2137,19 +2156,21 @@
ret =
journal_begin(&th, dquot->dq_sb,
REISERFS_QUOTA_DEL_BLOCKS(dquot->dq_sb));
+ reiserfs_write_unlock(dquot->dq_sb);
if (ret) {
/* Release dquot anyway to avoid endless cycle in dqput() */
dquot_release(dquot);
goto out;
}
ret = dquot_release(dquot);
+ reiserfs_write_lock(dquot->dq_sb);
err =
journal_end(&th, dquot->dq_sb,
REISERFS_QUOTA_DEL_BLOCKS(dquot->dq_sb));
if (!ret && err)
ret = err;
- out:
reiserfs_write_unlock(dquot->dq_sb);
+out:
return ret;
}
@@ -2174,11 +2195,13 @@
ret = journal_begin(&th, sb, 2);
if (ret)
goto out;
+ reiserfs_write_unlock(sb);
ret = dquot_commit_info(sb, type);
+ reiserfs_write_lock(sb);
err = journal_end(&th, sb, 2);
if (!ret && err)
ret = err;
- out:
+out:
reiserfs_write_unlock(sb);
return ret;
}
@@ -2203,8 +2226,11 @@
struct reiserfs_transaction_handle th;
int opt = type == USRQUOTA ? REISERFS_USRQUOTA : REISERFS_GRPQUOTA;
- if (!(REISERFS_SB(sb)->s_mount_opt & (1 << opt)))
- return -EINVAL;
+ reiserfs_write_lock(sb);
+ if (!(REISERFS_SB(sb)->s_mount_opt & (1 << opt))) {
+ err = -EINVAL;
+ goto out;
+ }
/* Quotafile not on the same filesystem? */
if (path->dentry->d_sb != sb) {
@@ -2246,8 +2272,10 @@
if (err)
goto out;
}
- err = dquot_quota_on(sb, type, format_id, path);
+ reiserfs_write_unlock(sb);
+ return dquot_quota_on(sb, type, format_id, path);
out:
+ reiserfs_write_unlock(sb);
return err;
}
@@ -2320,7 +2348,9 @@
tocopy = sb->s_blocksize - offset < towrite ?
sb->s_blocksize - offset : towrite;
tmp_bh.b_state = 0;
+ reiserfs_write_lock(sb);
err = reiserfs_get_block(inode, blk, &tmp_bh, GET_BLOCK_CREATE);
+ reiserfs_write_unlock(sb);
if (err)
goto out;
if (offset || tocopy != sb->s_blocksize)
@@ -2336,10 +2366,12 @@
flush_dcache_page(bh->b_page);
set_buffer_uptodate(bh);
unlock_buffer(bh);
+ reiserfs_write_lock(sb);
reiserfs_prepare_for_journal(sb, bh, 1);
journal_mark_dirty(current->journal_info, sb, bh);
if (!journal_quota)
reiserfs_add_ordered_list(inode, bh);
+ reiserfs_write_unlock(sb);
brelse(bh);
offset = 0;
towrite -= tocopy;
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index e562dd4..e57e2da 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -481,11 +481,17 @@
*
* The fix is two passes across the ioend list - one to start writeback on the
* buffer_heads, and then submit them for I/O on the second pass.
+ *
+ * If @fail is non-zero, it means that we have a situation where some part of
+ * the submission process has failed after we have marked paged for writeback
+ * and unlocked them. In this situation, we need to fail the ioend chain rather
+ * than submit it to IO. This typically only happens on a filesystem shutdown.
*/
STATIC void
xfs_submit_ioend(
struct writeback_control *wbc,
- xfs_ioend_t *ioend)
+ xfs_ioend_t *ioend,
+ int fail)
{
xfs_ioend_t *head = ioend;
xfs_ioend_t *next;
@@ -506,6 +512,18 @@
next = ioend->io_list;
bio = NULL;
+ /*
+ * If we are failing the IO now, just mark the ioend with an
+ * error and finish it. This will run IO completion immediately
+ * as there is only one reference to the ioend at this point in
+ * time.
+ */
+ if (fail) {
+ ioend->io_error = -fail;
+ xfs_finish_ioend(ioend);
+ continue;
+ }
+
for (bh = ioend->io_buffer_head; bh; bh = bh->b_private) {
if (!bio) {
@@ -1060,7 +1078,18 @@
xfs_start_page_writeback(page, 1, count);
- if (ioend && imap_valid) {
+ /* if there is no IO to be submitted for this page, we are done */
+ if (!ioend)
+ return 0;
+
+ ASSERT(iohead);
+
+ /*
+ * Any errors from this point onwards need tobe reported through the IO
+ * completion path as we have marked the initial page as under writeback
+ * and unlocked it.
+ */
+ if (imap_valid) {
xfs_off_t end_index;
end_index = imap.br_startoff + imap.br_blockcount;
@@ -1079,20 +1108,15 @@
wbc, end_index);
}
- if (iohead) {
- /*
- * Reserve log space if we might write beyond the on-disk
- * inode size.
- */
- if (ioend->io_type != XFS_IO_UNWRITTEN &&
- xfs_ioend_is_append(ioend)) {
- err = xfs_setfilesize_trans_alloc(ioend);
- if (err)
- goto error;
- }
- xfs_submit_ioend(wbc, iohead);
- }
+ /*
+ * Reserve log space if we might write beyond the on-disk inode size.
+ */
+ err = 0;
+ if (ioend->io_type != XFS_IO_UNWRITTEN && xfs_ioend_is_append(ioend))
+ err = xfs_setfilesize_trans_alloc(ioend);
+
+ xfs_submit_ioend(wbc, iohead, err);
return 0;
diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c
index d330111..70eec18 100644
--- a/fs/xfs/xfs_attr_leaf.c
+++ b/fs/xfs/xfs_attr_leaf.c
@@ -1291,6 +1291,7 @@
leaf2 = blk2->bp->b_addr;
ASSERT(leaf1->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC));
ASSERT(leaf2->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC));
+ ASSERT(leaf2->hdr.count == 0);
args = state->args;
trace_xfs_attr_leaf_rebalance(args);
@@ -1361,6 +1362,7 @@
* I assert that since all callers pass in an empty
* second buffer, this code should never execute.
*/
+ ASSERT(0);
/*
* Figure the total bytes to be added to the destination leaf.
@@ -1422,10 +1424,24 @@
args->index2 = 0;
args->blkno2 = blk2->blkno;
} else {
+ /*
+ * On a double leaf split, the original attr location
+ * is already stored in blkno2/index2, so don't
+ * overwrite it overwise we corrupt the tree.
+ */
blk2->index = blk1->index
- be16_to_cpu(leaf1->hdr.count);
- args->index = args->index2 = blk2->index;
- args->blkno = args->blkno2 = blk2->blkno;
+ args->index = blk2->index;
+ args->blkno = blk2->blkno;
+ if (!state->extravalid) {
+ /*
+ * set the new attr location to match the old
+ * one and let the higher level split code
+ * decide where in the leaf to place it.
+ */
+ args->index2 = blk2->index;
+ args->blkno2 = blk2->blkno;
+ }
}
} else {
ASSERT(state->inleaf == 1);
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 933b793..4b0b8dd 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1197,9 +1197,14 @@
{
xfs_buf_t *bp = (xfs_buf_t *)bio->bi_private;
- xfs_buf_ioerror(bp, -error);
+ /*
+ * don't overwrite existing errors - otherwise we can lose errors on
+ * buffers that require multiple bios to complete.
+ */
+ if (!bp->b_error)
+ xfs_buf_ioerror(bp, -error);
- if (!error && xfs_buf_is_vmapped(bp) && (bp->b_flags & XBF_READ))
+ if (!bp->b_error && xfs_buf_is_vmapped(bp) && (bp->b_flags & XBF_READ))
invalidate_kernel_vmap_range(bp->b_addr, xfs_buf_vmap_len(bp));
_xfs_buf_ioend(bp, 1);
@@ -1279,6 +1284,11 @@
if (size)
goto next_chunk;
} else {
+ /*
+ * This is guaranteed not to be the last io reference count
+ * because the caller (xfs_buf_iorequest) holds a count itself.
+ */
+ atomic_dec(&bp->b_io_remaining);
xfs_buf_ioerror(bp, EIO);
bio_put(bio);
}
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index af1cbaf..c5c35e6 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -210,6 +210,7 @@
{0x1002, 0x6798, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6799, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI|RADEON_NEW_MEMMAP}, \
{0x1002, 0x679A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x679B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI|RADEON_NEW_MEMMAP}, \
{0x1002, 0x679E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI|RADEON_NEW_MEMMAP}, \
{0x1002, 0x679F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6800, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
diff --git a/include/linux/i2c-omap.h b/include/linux/i2c-omap.h
index df804ba..92a0dc7 100644
--- a/include/linux/i2c-omap.h
+++ b/include/linux/i2c-omap.h
@@ -34,6 +34,7 @@
u32 clkrate;
u32 rev;
u32 flags;
+ void (*set_mpu_wkup_lat)(struct device *dev, long set);
};
#endif
diff --git a/include/linux/mfd/arizona/registers.h b/include/linux/mfd/arizona/registers.h
index 7671a28..ba26e99 100644
--- a/include/linux/mfd/arizona/registers.h
+++ b/include/linux/mfd/arizona/registers.h
@@ -76,6 +76,7 @@
#define ARIZONA_RATE_ESTIMATOR_3 0x154
#define ARIZONA_RATE_ESTIMATOR_4 0x155
#define ARIZONA_RATE_ESTIMATOR_5 0x156
+#define ARIZONA_DYNAMIC_FREQUENCY_SCALING_1 0x161
#define ARIZONA_FLL1_CONTROL_1 0x171
#define ARIZONA_FLL1_CONTROL_2 0x172
#define ARIZONA_FLL1_CONTROL_3 0x173
@@ -110,6 +111,7 @@
#define ARIZONA_FLL2_GPIO_CLOCK 0x1AA
#define ARIZONA_MIC_CHARGE_PUMP_1 0x200
#define ARIZONA_LDO1_CONTROL_1 0x210
+#define ARIZONA_LDO1_CONTROL_2 0x212
#define ARIZONA_LDO2_CONTROL_1 0x213
#define ARIZONA_MIC_BIAS_CTRL_1 0x218
#define ARIZONA_MIC_BIAS_CTRL_2 0x219
@@ -1574,6 +1576,13 @@
#define ARIZONA_SAMPLE_RATE_DETECT_D_WIDTH 5 /* SAMPLE_RATE_DETECT_D - [4:0] */
/*
+ * R353 (0x161) - Dynamic Frequency Scaling 1
+ */
+#define ARIZONA_SUBSYS_MAX_FREQ 0x0001 /* SUBSYS_MAX_FREQ */
+#define ARIZONA_SUBSYS_MAX_FREQ_SHIFT 0 /* SUBSYS_MAX_FREQ */
+#define ARIZONA_SUBSYS_MAX_FREQ_WIDTH 1 /* SUBSYS_MAX_FREQ */
+
+/*
* R369 (0x171) - FLL1 Control 1
*/
#define ARIZONA_FLL1_FREERUN 0x0002 /* FLL1_FREERUN */
@@ -1889,6 +1898,13 @@
#define ARIZONA_LDO1_ENA_WIDTH 1 /* LDO1_ENA */
/*
+ * R530 (0x212) - LDO1 Control 2
+ */
+#define ARIZONA_LDO1_HI_PWR 0x0001 /* LDO1_HI_PWR */
+#define ARIZONA_LDO1_HI_PWR_SHIFT 0 /* LDO1_HI_PWR */
+#define ARIZONA_LDO1_HI_PWR_WIDTH 1 /* LDO1_HI_PWR */
+
+/*
* R531 (0x213) - LDO2 Control 1
*/
#define ARIZONA_LDO2_VSEL_MASK 0x07E0 /* LDO2_VSEL - [10:5] */
diff --git a/include/linux/mfd/da9055/pdata.h b/include/linux/mfd/da9055/pdata.h
index 147293b..f87a6c1 100644
--- a/include/linux/mfd/da9055/pdata.h
+++ b/include/linux/mfd/da9055/pdata.h
@@ -25,8 +25,29 @@
int gpio_base;
struct regulator_init_data *regulators[DA9055_MAX_REGULATORS];
- bool reset_enable; /* Enable RTC in RESET Mode */
- enum gpio_select *gpio_rsel; /* Select regulator set thru GPIO 1/2 */
- enum gpio_select *gpio_ren; /* Enable regulator thru GPIO 1/2 */
+ /* Enable RTC in RESET Mode */
+ bool reset_enable;
+ /*
+ * GPI muxed pin to control
+ * regulator state A/B, 0 if not available.
+ */
+ int *gpio_ren;
+ /*
+ * GPI muxed pin to control
+ * regulator set, 0 if not available.
+ */
+ int *gpio_rsel;
+ /*
+ * Regulator mode control bits value (GPI offset) that
+ * that controls the regulator state, 0 if not available.
+ */
+ enum gpio_select *reg_ren;
+ /*
+ * Regulator mode control bits value (GPI offset) that
+ * controls the regulator set A/B, 0 if not available.
+ */
+ enum gpio_select *reg_rsel;
+ /* GPIOs to enable regulator, 0 if not available */
+ int *ena_gpio;
};
#endif /* __DA9055_PDATA_H */
diff --git a/include/linux/of_address.h b/include/linux/of_address.h
index e20e3af..0506eb5 100644
--- a/include/linux/of_address.h
+++ b/include/linux/of_address.h
@@ -42,10 +42,12 @@
{
return NULL;
}
+#ifndef of_iomap
static inline void __iomem *of_iomap(struct device_node *device, int index)
{
return NULL;
}
+#endif
static inline const __be32 *of_get_address(struct device_node *dev, int index,
u64 *size, unsigned int *flags)
{
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index c43cd35..5d0f7c1 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -160,6 +160,7 @@
void regulator_bulk_free(int num_consumers,
struct regulator_bulk_data *consumers);
+int regulator_can_change_voltage(struct regulator *regulator);
int regulator_count_voltages(struct regulator *regulator);
int regulator_list_voltage(struct regulator *regulator, unsigned selector);
int regulator_is_supported_voltage(struct regulator *regulator,
diff --git a/include/linux/regulator/max8973-regulator.h b/include/linux/regulator/max8973-regulator.h
new file mode 100644
index 0000000..f8acc05
--- /dev/null
+++ b/include/linux/regulator/max8973-regulator.h
@@ -0,0 +1,72 @@
+/*
+ * max8973-regulator.h -- MAXIM 8973 regulator
+ *
+ * Interface for regulator driver for MAXIM 8973 DC-DC step-down
+ * switching regulator.
+ *
+ * Copyright (C) 2012 NVIDIA Corporation
+
+ * Author: Laxman Dewangan <ldewangan@nvidia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef __LINUX_REGULATOR_MAX8973_H
+#define __LINUX_REGULATOR_MAX8973_H
+
+/*
+ * Control flags for configuration of the device.
+ * Client need to pass this information with ORed
+ */
+#define MAX8973_CONTROL_REMOTE_SENSE_ENABLE 0x00000001
+#define MAX8973_CONTROL_FALLING_SLEW_RATE_ENABLE 0x00000002
+#define MAX8973_CONTROL_OUTPUT_ACTIVE_DISCH_ENABLE 0x00000004
+#define MAX8973_CONTROL_BIAS_ENABLE 0x00000008
+#define MAX8973_CONTROL_PULL_DOWN_ENABLE 0x00000010
+#define MAX8973_CONTROL_FREQ_SHIFT_9PER_ENABLE 0x00000020
+
+#define MAX8973_CONTROL_CLKADV_TRIP_DISABLED 0x00000000
+#define MAX8973_CONTROL_CLKADV_TRIP_75mV_PER_US 0x00010000
+#define MAX8973_CONTROL_CLKADV_TRIP_150mV_PER_US 0x00020000
+#define MAX8973_CONTROL_CLKADV_TRIP_75mV_PER_US_HIST_DIS 0x00030000
+
+#define MAX8973_CONTROL_INDUCTOR_VALUE_NOMINAL 0x00000000
+#define MAX8973_CONTROL_INDUCTOR_VALUE_MINUS_30_PER 0x00100000
+#define MAX8973_CONTROL_INDUCTOR_VALUE_PLUS_30_PER 0x00200000
+#define MAX8973_CONTROL_INDUCTOR_VALUE_PLUS_60_PER 0x00300000
+
+/*
+ * struct max8973_regulator_platform_data - max8973 regulator platform data.
+ *
+ * @reg_init_data: The regulator init data.
+ * @control_flags: Control flags which are ORed value of above flags to
+ * configure device.
+ * @enable_ext_control: Enable the voltage enable/disable through external
+ * control signal from EN input pin. If it is false then
+ * voltage output will be enabled/disabled through EN bit of
+ * device register.
+ * @dvs_gpio: GPIO for dvs. It should be -1 if this is tied with fixed logic.
+ * @dvs_def_state: Default state of dvs. 1 if it is high else 0.
+ */
+struct max8973_regulator_platform_data {
+ struct regulator_init_data *reg_init_data;
+ unsigned long control_flags;
+ bool enable_ext_control;
+ int dvs_gpio;
+ unsigned dvs_def_state:1;
+};
+
+#endif /* __LINUX_REGULATOR_MAX8973_H */
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h
index c64de9d..2f694f3 100644
--- a/include/linux/spi/ads7846.h
+++ b/include/linux/spi/ads7846.h
@@ -46,8 +46,9 @@
u16 debounce_rep; /* additional consecutive good readings
* required after the first two */
int gpio_pendown; /* the GPIO used to decide the pendown
- * state if get_pendown_state == NULL
- */
+ * state if get_pendown_state == NULL */
+ int gpio_pendown_debounce; /* platform specific debounce time for
+ * the gpio_pendown */
int (*get_pendown_state)(void);
int (*filter_init) (const struct ads7846_platform_data *pdata,
void **filter_data);
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 6f0ba01..63445ed 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1351,7 +1351,7 @@
};
extern void xfrm_init(void);
-extern void xfrm4_init(int rt_hash_size);
+extern void xfrm4_init(void);
extern int xfrm_state_init(struct net *net);
extern void xfrm_state_fini(struct net *net);
extern void xfrm4_state_init(void);
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 88fae8d..55367b0 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -135,6 +135,8 @@
* because we did a bus reset. */
unsigned use_10_for_rw:1; /* first try 10-byte read / write */
unsigned use_10_for_ms:1; /* first try 10-byte mode sense/select */
+ unsigned no_report_opcodes:1; /* no REPORT SUPPORTED OPERATION CODES */
+ unsigned no_write_same:1; /* no WRITE SAME command */
unsigned skip_ms_page_8:1; /* do not use MODE SENSE page 0x08 */
unsigned skip_ms_page_3f:1; /* do not use MODE SENSE page 0x3f */
unsigned skip_vpd_pages:1; /* do not read VPD pages */
@@ -362,6 +364,8 @@
int retries, struct scsi_sense_hdr *sshdr);
extern int scsi_get_vpd_page(struct scsi_device *, u8 page, unsigned char *buf,
int buf_len);
+extern int scsi_report_opcode(struct scsi_device *sdev, unsigned char *buffer,
+ unsigned int len, unsigned char opcode);
extern int scsi_device_set_state(struct scsi_device *sdev,
enum scsi_device_state state);
extern struct scsi_event *sdev_evt_alloc(enum scsi_device_event evt_type,
diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h
index 678ce4f..095ab15 100644
--- a/lib/mpi/longlong.h
+++ b/lib/mpi/longlong.h
@@ -641,7 +641,14 @@
************** MIPS *****************
***************************************/
#if defined(__mips__) && W_TYPE_SIZE == 32
-#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7
+#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 4
+#define umul_ppmm(w1, w0, u, v) \
+do { \
+ UDItype __ll = (UDItype)(u) * (v); \
+ w1 = __ll >> 32; \
+ w0 = __ll; \
+} while (0)
+#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("multu %2,%3" \
: "=l" ((USItype)(w0)), \
@@ -666,7 +673,15 @@
************** MIPS/64 **************
***************************************/
#if (defined(__mips) && __mips >= 3) && W_TYPE_SIZE == 64
-#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7
+#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 4
+#define umul_ppmm(w1, w0, u, v) \
+do { \
+ typedef unsigned int __ll_UTItype __attribute__((mode(TI))); \
+ __ll_UTItype __ll = (__ll_UTItype)(u) * (v); \
+ w1 = __ll >> 64; \
+ w0 = __ll; \
+} while (0)
+#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("dmultu %2,%3" \
: "=l" ((UDItype)(w0)), \
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 7bb35ac..bcb72c6 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1405,7 +1405,7 @@
mt = get_pageblock_migratetype(page);
if (unlikely(mt != MIGRATE_ISOLATE))
- __mod_zone_freepage_state(zone, -(1UL << order), mt);
+ __mod_zone_freepage_state(zone, -(1UL << alloc_order), mt);
if (alloc_order != order)
expand(zone, page, alloc_order, order,
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index bcf02f6..017a8ba 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -429,6 +429,17 @@
.name = "statistics",
.attrs = netstat_attrs,
};
+
+#if IS_ENABLED(CONFIG_WIRELESS_EXT) || IS_ENABLED(CONFIG_CFG80211)
+static struct attribute *wireless_attrs[] = {
+ NULL
+};
+
+static struct attribute_group wireless_group = {
+ .name = "wireless",
+ .attrs = wireless_attrs,
+};
+#endif
#endif /* CONFIG_SYSFS */
#ifdef CONFIG_RPS
@@ -1409,6 +1420,15 @@
groups++;
*groups++ = &netstat_group;
+
+#if IS_ENABLED(CONFIG_WIRELESS_EXT) || IS_ENABLED(CONFIG_CFG80211)
+ if (net->ieee80211_ptr)
+ *groups++ = &wireless_group;
+#if IS_ENABLED(CONFIG_WIRELESS_EXT)
+ else if (net->wireless_handlers)
+ *groups++ = &wireless_group;
+#endif
+#endif
#endif /* CONFIG_SYSFS */
error = device_add(dev);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index a8c65121..df25142 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1785,6 +1785,7 @@
if (dev_out->flags & IFF_LOOPBACK)
flags |= RTCF_LOCAL;
+ do_cache = true;
if (type == RTN_BROADCAST) {
flags |= RTCF_BROADCAST | RTCF_LOCAL;
fi = NULL;
@@ -1793,6 +1794,8 @@
if (!ip_check_mc_rcu(in_dev, fl4->daddr, fl4->saddr,
fl4->flowi4_proto))
flags &= ~RTCF_LOCAL;
+ else
+ do_cache = false;
/* If multicast route do not exist use
* default one, but do not gateway in this case.
* Yes, it is hack.
@@ -1802,8 +1805,8 @@
}
fnhe = NULL;
- do_cache = fi != NULL;
- if (fi) {
+ do_cache &= fi != NULL;
+ if (do_cache) {
struct rtable __rcu **prth;
struct fib_nh *nh = &FIB_RES_NH(*res);
@@ -2597,7 +2600,7 @@
pr_err("Unable to create route proc files\n");
#ifdef CONFIG_XFRM
xfrm_init();
- xfrm4_init(ip_rt_max_size);
+ xfrm4_init();
#endif
rtnl_register(PF_INET, RTM_GETROUTE, inet_rtm_getroute, NULL, NULL);
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 05c5ab8..3be0ac2 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -279,19 +279,8 @@
xfrm_policy_unregister_afinfo(&xfrm4_policy_afinfo);
}
-void __init xfrm4_init(int rt_max_size)
+void __init xfrm4_init(void)
{
- /*
- * Select a default value for the gc_thresh based on the main route
- * table hash size. It seems to me the worst case scenario is when
- * we have ipsec operating in transport mode, in which we create a
- * dst_entry per socket. The xfrm gc algorithm starts trying to remove
- * entries at gc_thresh, and prevents new allocations as 2*gc_thresh
- * so lets set an initial xfrm gc_thresh value at the rt_max_size/2.
- * That will let us store an ipsec connection per route table entry,
- * and start cleaning when were 1/2 full
- */
- xfrm4_dst_ops.gc_thresh = rt_max_size/2;
dst_entries_init(&xfrm4_dst_ops);
xfrm4_state_init();
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index c4f9341..3064785 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -252,6 +252,7 @@
return NULL;
dst->ops->update_pmtu(dst, sk, NULL, mtu);
- return inet6_csk_route_socket(sk, &fl6);
+ dst = inet6_csk_route_socket(sk, &fl6);
+ return IS_ERR(dst) ? NULL : dst;
}
EXPORT_SYMBOL_GPL(inet6_csk_update_pmtu);
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index bf87c70..c21e33d 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -1151,10 +1151,6 @@
mutex_lock(&sdata->u.ibss.mtx);
- sdata->u.ibss.state = IEEE80211_IBSS_MLME_SEARCH;
- memset(sdata->u.ibss.bssid, 0, ETH_ALEN);
- sdata->u.ibss.ssid_len = 0;
-
active_ibss = ieee80211_sta_active_ibss(sdata);
if (!active_ibss && !is_zero_ether_addr(ifibss->bssid)) {
@@ -1175,6 +1171,10 @@
}
}
+ ifibss->state = IEEE80211_IBSS_MLME_SEARCH;
+ memset(ifibss->bssid, 0, ETH_ALEN);
+ ifibss->ssid_len = 0;
+
sta_info_flush(sdata->local, sdata);
spin_lock_bh(&ifibss->incomplete_lock);
diff --git a/net/netfilter/ipset/ip_set_hash_ip.c b/net/netfilter/ipset/ip_set_hash_ip.c
index ec3dba5..5c0b785 100644
--- a/net/netfilter/ipset/ip_set_hash_ip.c
+++ b/net/netfilter/ipset/ip_set_hash_ip.c
@@ -173,6 +173,7 @@
return adtfn(set, &nip, timeout, flags);
}
+ ip_to = ip;
if (tb[IPSET_ATTR_IP_TO]) {
ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
if (ret)
@@ -185,8 +186,7 @@
if (!cidr || cidr > 32)
return -IPSET_ERR_INVALID_CIDR;
ip_set_mask_from_to(ip, ip_to, cidr);
- } else
- ip_to = ip;
+ }
hosts = h->netmask == 32 ? 1 : 2 << (32 - h->netmask - 1);
diff --git a/net/netfilter/ipset/ip_set_hash_ipport.c b/net/netfilter/ipset/ip_set_hash_ipport.c
index 0171f75..6283351 100644
--- a/net/netfilter/ipset/ip_set_hash_ipport.c
+++ b/net/netfilter/ipset/ip_set_hash_ipport.c
@@ -162,7 +162,7 @@
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipport4_elem data = { };
- u32 ip, ip_to = 0, p = 0, port, port_to;
+ u32 ip, ip_to, p = 0, port, port_to;
u32 timeout = h->timeout;
bool with_ports = false;
int ret;
@@ -210,7 +210,7 @@
return ip_set_eexist(ret, flags) ? 0 : ret;
}
- ip = ntohl(data.ip);
+ ip_to = ip = ntohl(data.ip);
if (tb[IPSET_ATTR_IP_TO]) {
ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
if (ret)
@@ -223,8 +223,7 @@
if (!cidr || cidr > 32)
return -IPSET_ERR_INVALID_CIDR;
ip_set_mask_from_to(ip, ip_to, cidr);
- } else
- ip_to = ip;
+ }
port_to = port = ntohs(data.port);
if (with_ports && tb[IPSET_ATTR_PORT_TO]) {
diff --git a/net/netfilter/ipset/ip_set_hash_ipportip.c b/net/netfilter/ipset/ip_set_hash_ipportip.c
index 6344ef5..6a21271 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportip.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportip.c
@@ -166,7 +166,7 @@
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipportip4_elem data = { };
- u32 ip, ip_to = 0, p = 0, port, port_to;
+ u32 ip, ip_to, p = 0, port, port_to;
u32 timeout = h->timeout;
bool with_ports = false;
int ret;
@@ -218,7 +218,7 @@
return ip_set_eexist(ret, flags) ? 0 : ret;
}
- ip = ntohl(data.ip);
+ ip_to = ip = ntohl(data.ip);
if (tb[IPSET_ATTR_IP_TO]) {
ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
if (ret)
@@ -231,8 +231,7 @@
if (!cidr || cidr > 32)
return -IPSET_ERR_INVALID_CIDR;
ip_set_mask_from_to(ip, ip_to, cidr);
- } else
- ip_to = ip;
+ }
port_to = port = ntohs(data.port);
if (with_ports && tb[IPSET_ATTR_PORT_TO]) {
diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c
index cb71f9a..2d5cd4e 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportnet.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c
@@ -215,8 +215,8 @@
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipportnet4_elem data = { .cidr = HOST_MASK - 1 };
- u32 ip, ip_to = 0, p = 0, port, port_to;
- u32 ip2_from = 0, ip2_to, ip2_last, ip2;
+ u32 ip, ip_to, p = 0, port, port_to;
+ u32 ip2_from, ip2_to, ip2_last, ip2;
u32 timeout = h->timeout;
bool with_ports = false;
u8 cidr;
@@ -286,6 +286,7 @@
return ip_set_eexist(ret, flags) ? 0 : ret;
}
+ ip_to = ip;
if (tb[IPSET_ATTR_IP_TO]) {
ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
if (ret)
@@ -306,6 +307,8 @@
if (port > port_to)
swap(port, port_to);
}
+
+ ip2_to = ip2_from;
if (tb[IPSET_ATTR_IP2_TO]) {
ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
if (ret)
diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c
index 8847b4d..701c88a 100644
--- a/net/netfilter/nfnetlink_cttimeout.c
+++ b/net/netfilter/nfnetlink_cttimeout.c
@@ -41,7 +41,8 @@
static LIST_HEAD(cttimeout_list);
static const struct nla_policy cttimeout_nla_policy[CTA_TIMEOUT_MAX+1] = {
- [CTA_TIMEOUT_NAME] = { .type = NLA_NUL_STRING },
+ [CTA_TIMEOUT_NAME] = { .type = NLA_NUL_STRING,
+ .len = CTNL_TIMEOUT_NAME_MAX - 1},
[CTA_TIMEOUT_L3PROTO] = { .type = NLA_U16 },
[CTA_TIMEOUT_L4PROTO] = { .type = NLA_U8 },
[CTA_TIMEOUT_DATA] = { .type = NLA_NESTED },
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index cc10d07..9e8f4b2 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -1210,7 +1210,7 @@
local->remote_miu = LLCP_DEFAULT_MIU;
local->remote_lto = LLCP_DEFAULT_LTO;
- list_add(&llcp_devices, &local->list);
+ list_add(&local->list, &llcp_devices);
return 0;
}
diff --git a/scripts/sign-file b/scripts/sign-file
index 87ca59d..974a20b 100755
--- a/scripts/sign-file
+++ b/scripts/sign-file
@@ -156,12 +156,12 @@
if ($l == 0x1) {
$len = unpack("C", substr(${$cursor->[2]}, $cursor->[0], 1));
- } elsif ($l = 0x2) {
+ } elsif ($l == 0x2) {
$len = unpack("n", substr(${$cursor->[2]}, $cursor->[0], 2));
- } elsif ($l = 0x3) {
+ } elsif ($l == 0x3) {
$len = unpack("C", substr(${$cursor->[2]}, $cursor->[0], 1)) << 16;
$len = unpack("n", substr(${$cursor->[2]}, $cursor->[0] + 1, 2));
- } elsif ($l = 0x4) {
+ } elsif ($l == 0x4) {
$len = unpack("N", substr(${$cursor->[2]}, $cursor->[0], 4));
} else {
die $x509, ": ", $cursor->[0], ": ASN.1 element too long (", $l, ")\n";
diff --git a/security/selinux/netnode.c b/security/selinux/netnode.c
index 28f911c..c5454c0 100644
--- a/security/selinux/netnode.c
+++ b/security/selinux/netnode.c
@@ -174,7 +174,8 @@
if (sel_netnode_hash[idx].size == SEL_NETNODE_HASH_BKT_LIMIT) {
struct sel_netnode *tail;
tail = list_entry(
- rcu_dereference(sel_netnode_hash[idx].list.prev),
+ rcu_dereference_protected(sel_netnode_hash[idx].list.prev,
+ lockdep_is_held(&sel_netnode_lock)),
struct sel_netnode, list);
list_del_rcu(&tail->list);
kfree_rcu(tail, rcu);
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 70d4848..d010de1 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -95,6 +95,7 @@
EXPORT_SYMBOL_HDA(snd_hda_delete_codec_preset);
#ifdef CONFIG_PM
+#define codec_in_pm(codec) ((codec)->in_pm)
static void hda_power_work(struct work_struct *work);
static void hda_keep_power_on(struct hda_codec *codec);
#define hda_codec_is_power_on(codec) ((codec)->power_on)
@@ -104,6 +105,7 @@
bus->ops.pm_notify(bus, power_up);
}
#else
+#define codec_in_pm(codec) 0
static inline void hda_keep_power_on(struct hda_codec *codec) {}
#define hda_codec_is_power_on(codec) 1
#define hda_call_pm_notify(bus, state) {}
@@ -228,7 +230,7 @@
}
mutex_unlock(&bus->cmd_mutex);
snd_hda_power_down(codec);
- if (res && *res == -1 && bus->rirb_error) {
+ if (!codec_in_pm(codec) && res && *res == -1 && bus->rirb_error) {
if (bus->response_reset) {
snd_printd("hda_codec: resetting BUS due to "
"fatal communication error\n");
@@ -238,7 +240,7 @@
goto again;
}
/* clear reset-flag when the communication gets recovered */
- if (!err)
+ if (!err || codec_in_pm(codec))
bus->response_reset = 0;
return err;
}
@@ -3616,6 +3618,8 @@
{
unsigned int state;
+ codec->in_pm = 1;
+
if (codec->patch_ops.suspend)
codec->patch_ops.suspend(codec);
hda_cleanup_all_streams(codec);
@@ -3630,6 +3634,7 @@
codec->power_transition = 0;
codec->power_jiffies = jiffies;
spin_unlock(&codec->power_lock);
+ codec->in_pm = 0;
return state;
}
@@ -3638,6 +3643,8 @@
*/
static void hda_call_codec_resume(struct hda_codec *codec)
{
+ codec->in_pm = 1;
+
/* set as if powered on for avoiding re-entering the resume
* in the resume / power-save sequence
*/
@@ -3656,6 +3663,8 @@
snd_hda_codec_resume_cache(codec);
}
snd_hda_jack_report_sync(codec);
+
+ codec->in_pm = 0;
snd_hda_power_down(codec); /* flag down before returning */
}
#endif /* CONFIG_PM */
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 507fe8a..4f4e545 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -869,6 +869,7 @@
unsigned int power_on :1; /* current (global) power-state */
unsigned int d3_stop_clk:1; /* support D3 operation without BCLK */
unsigned int pm_down_notified:1; /* PM notified to controller */
+ unsigned int in_pm:1; /* suspend/resume being performed */
int power_transition; /* power-state in transition */
int power_count; /* current (global) power refcount */
struct delayed_work power_work; /* delayed task for powerdown */
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index cd2dbaf..f9d870e 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -556,6 +556,12 @@
#define AZX_DCAPS_ALIGN_BUFSIZE (1 << 22) /* buffer size alignment */
#define AZX_DCAPS_4K_BDLE_BOUNDARY (1 << 23) /* BDLE in 4k boundary */
#define AZX_DCAPS_COUNT_LPIB_DELAY (1 << 25) /* Take LPIB as delay */
+#define AZX_DCAPS_PM_RUNTIME (1 << 26) /* runtime PM support */
+
+/* quirks for Intel PCH */
+#define AZX_DCAPS_INTEL_PCH \
+ (AZX_DCAPS_SCH_SNOOP | AZX_DCAPS_BUFSIZE | \
+ AZX_DCAPS_COUNT_LPIB_DELAY | AZX_DCAPS_PM_RUNTIME)
/* quirks for ATI SB / AMD Hudson */
#define AZX_DCAPS_PRESET_ATI_SB \
@@ -2433,6 +2439,9 @@
{
struct azx *chip = bus->private_data;
+ if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
+ return;
+
if (power_up)
pm_runtime_get_sync(&chip->pci->dev);
else
@@ -2548,7 +2557,8 @@
struct snd_card *card = dev_get_drvdata(dev);
struct azx *chip = card->private_data;
- if (!power_save_controller)
+ if (!power_save_controller ||
+ !(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
return -EAGAIN;
azx_stop_chip(chip);
@@ -3429,39 +3439,30 @@
static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
/* CPT */
{ PCI_DEVICE(0x8086, 0x1c20),
- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* PBG */
{ PCI_DEVICE(0x8086, 0x1d20),
- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE},
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* Panther Point */
{ PCI_DEVICE(0x8086, 0x1e20),
- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* Lynx Point */
{ PCI_DEVICE(0x8086, 0x8c20),
- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* Lynx Point-LP */
{ PCI_DEVICE(0x8086, 0x9c20),
- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* Lynx Point-LP */
{ PCI_DEVICE(0x8086, 0x9c21),
- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* Haswell */
{ PCI_DEVICE(0x8086, 0x0c0c),
- .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH },
{ PCI_DEVICE(0x8086, 0x0d0c),
- .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH },
/* 5 Series/3400 */
{ PCI_DEVICE(0x8086, 0x3b56),
- .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH },
/* SCH */
{ PCI_DEVICE(0x8086, 0x811b),
.driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index d5f3a26..3bcb671 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -466,6 +466,7 @@
memcpy(cfg->speaker_pins, cfg->line_out_pins,
sizeof(cfg->speaker_pins));
cfg->line_outs = 0;
+ memset(cfg->line_out_pins, 0, sizeof(cfg->line_out_pins));
}
return 0;
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 68fd492..ad68d22 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -7065,6 +7065,7 @@
{ .id = 0x10ec0282, .name = "ALC282", .patch = patch_alc269 },
{ .id = 0x10ec0283, .name = "ALC283", .patch = patch_alc269 },
{ .id = 0x10ec0290, .name = "ALC290", .patch = patch_alc269 },
+ { .id = 0x10ec0292, .name = "ALC292", .patch = patch_alc269 },
{ .id = 0x10ec0861, .rev = 0x100340, .name = "ALC660",
.patch = patch_alc861 },
{ .id = 0x10ec0660, .name = "ALC660-VD", .patch = patch_alc861vd },
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index c03b65a..054967d 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -268,7 +268,7 @@
static unsigned int arizona_sysclk_48k_rates[] = {
6144000,
12288000,
- 22579200,
+ 24576000,
49152000,
73728000,
98304000,
@@ -278,7 +278,7 @@
static unsigned int arizona_sysclk_44k1_rates[] = {
5644800,
11289600,
- 24576000,
+ 22579200,
45158400,
67737600,
90316800,
diff --git a/sound/soc/codecs/cs4271.c b/sound/soc/codecs/cs4271.c
index f994af3..e3f0a7f 100644
--- a/sound/soc/codecs/cs4271.c
+++ b/sound/soc/codecs/cs4271.c
@@ -485,7 +485,7 @@
gpio_nreset = cs4271plat->gpio_nreset;
if (gpio_nreset >= 0)
- if (gpio_request(gpio_nreset, "CS4271 Reset"))
+ if (devm_gpio_request(codec->dev, gpio_nreset, "CS4271 Reset"))
gpio_nreset = -EINVAL;
if (gpio_nreset >= 0) {
/* Reset codec */
@@ -535,15 +535,10 @@
static int cs4271_remove(struct snd_soc_codec *codec)
{
struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec);
- int gpio_nreset;
- gpio_nreset = cs4271->gpio_nreset;
-
- if (gpio_is_valid(gpio_nreset)) {
+ if (gpio_is_valid(cs4271->gpio_nreset))
/* Set codec to the reset state */
- gpio_set_value(gpio_nreset, 0);
- gpio_free(gpio_nreset);
- }
+ gpio_set_value(cs4271->gpio_nreset, 0);
return 0;
};
diff --git a/sound/soc/kirkwood/kirkwood-dma.c b/sound/soc/kirkwood/kirkwood-dma.c
index b9f1659..2ba0814 100644
--- a/sound/soc/kirkwood/kirkwood-dma.c
+++ b/sound/soc/kirkwood/kirkwood-dma.c
@@ -71,7 +71,6 @@
printk(KERN_WARNING "%s: got err interrupt 0x%lx\n",
__func__, cause);
writel(cause, priv->io + KIRKWOOD_ERR_CAUSE);
- return IRQ_HANDLED;
}
/* we've enabled only bytes interrupts ... */
@@ -178,7 +177,7 @@
}
dram = mv_mbus_dram_info();
- addr = virt_to_phys(substream->dma_buffer.area);
+ addr = substream->dma_buffer.addr;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
prdata->play_stream = substream;
kirkwood_dma_conf_mbus_windows(priv->io,
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
index 542538d..1d5db48 100644
--- a/sound/soc/kirkwood/kirkwood-i2s.c
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -95,7 +95,7 @@
do {
cpu_relax();
value = readl(io + KIRKWOOD_DCO_SPCR_STATUS);
- value &= KIRKWOOD_DCO_SPCR_STATUS;
+ value &= KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK;
} while (value == 0);
}
@@ -180,67 +180,72 @@
int cmd, struct snd_soc_dai *dai)
{
struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai);
- unsigned long value;
+ uint32_t ctl, value;
- /*
- * specs says KIRKWOOD_PLAYCTL must be read 2 times before
- * changing it. So read 1 time here and 1 later.
- */
- value = readl(priv->io + KIRKWOOD_PLAYCTL);
+ ctl = readl(priv->io + KIRKWOOD_PLAYCTL);
+ if (ctl & KIRKWOOD_PLAYCTL_PAUSE) {
+ unsigned timeout = 5000;
+ /*
+ * The Armada510 spec says that if we enter pause mode, the
+ * busy bit must be read back as clear _twice_. Make sure
+ * we respect that otherwise we get DMA underruns.
+ */
+ do {
+ value = ctl;
+ ctl = readl(priv->io + KIRKWOOD_PLAYCTL);
+ if (!((ctl | value) & KIRKWOOD_PLAYCTL_PLAY_BUSY))
+ break;
+ udelay(1);
+ } while (timeout--);
+
+ if ((ctl | value) & KIRKWOOD_PLAYCTL_PLAY_BUSY)
+ dev_notice(dai->dev, "timed out waiting for busy to deassert: %08x\n",
+ ctl);
+ }
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
- /* stop audio, enable interrupts */
- value = readl(priv->io + KIRKWOOD_PLAYCTL);
- value |= KIRKWOOD_PLAYCTL_PAUSE;
- writel(value, priv->io + KIRKWOOD_PLAYCTL);
-
value = readl(priv->io + KIRKWOOD_INT_MASK);
value |= KIRKWOOD_INT_CAUSE_PLAY_BYTES;
writel(value, priv->io + KIRKWOOD_INT_MASK);
/* configure audio & enable i2s playback */
- value = readl(priv->io + KIRKWOOD_PLAYCTL);
- value &= ~KIRKWOOD_PLAYCTL_BURST_MASK;
- value &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE
+ ctl &= ~KIRKWOOD_PLAYCTL_BURST_MASK;
+ ctl &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE
| KIRKWOOD_PLAYCTL_SPDIF_EN);
if (priv->burst == 32)
- value |= KIRKWOOD_PLAYCTL_BURST_32;
+ ctl |= KIRKWOOD_PLAYCTL_BURST_32;
else
- value |= KIRKWOOD_PLAYCTL_BURST_128;
- value |= KIRKWOOD_PLAYCTL_I2S_EN;
- writel(value, priv->io + KIRKWOOD_PLAYCTL);
+ ctl |= KIRKWOOD_PLAYCTL_BURST_128;
+ ctl |= KIRKWOOD_PLAYCTL_I2S_EN;
+ writel(ctl, priv->io + KIRKWOOD_PLAYCTL);
break;
case SNDRV_PCM_TRIGGER_STOP:
/* stop audio, disable interrupts */
- value = readl(priv->io + KIRKWOOD_PLAYCTL);
- value |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE;
- writel(value, priv->io + KIRKWOOD_PLAYCTL);
+ ctl |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE;
+ writel(ctl, priv->io + KIRKWOOD_PLAYCTL);
value = readl(priv->io + KIRKWOOD_INT_MASK);
value &= ~KIRKWOOD_INT_CAUSE_PLAY_BYTES;
writel(value, priv->io + KIRKWOOD_INT_MASK);
/* disable all playbacks */
- value = readl(priv->io + KIRKWOOD_PLAYCTL);
- value &= ~(KIRKWOOD_PLAYCTL_I2S_EN | KIRKWOOD_PLAYCTL_SPDIF_EN);
- writel(value, priv->io + KIRKWOOD_PLAYCTL);
+ ctl &= ~(KIRKWOOD_PLAYCTL_I2S_EN | KIRKWOOD_PLAYCTL_SPDIF_EN);
+ writel(ctl, priv->io + KIRKWOOD_PLAYCTL);
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
- value = readl(priv->io + KIRKWOOD_PLAYCTL);
- value |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE;
- writel(value, priv->io + KIRKWOOD_PLAYCTL);
+ ctl |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE;
+ writel(ctl, priv->io + KIRKWOOD_PLAYCTL);
break;
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- value = readl(priv->io + KIRKWOOD_PLAYCTL);
- value &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE);
- writel(value, priv->io + KIRKWOOD_PLAYCTL);
+ ctl &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE);
+ writel(ctl, priv->io + KIRKWOOD_PLAYCTL);
break;
default:
@@ -260,11 +265,6 @@
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
- /* stop audio, enable interrupts */
- value = readl(priv->io + KIRKWOOD_RECCTL);
- value |= KIRKWOOD_RECCTL_PAUSE;
- writel(value, priv->io + KIRKWOOD_RECCTL);
-
value = readl(priv->io + KIRKWOOD_INT_MASK);
value |= KIRKWOOD_INT_CAUSE_REC_BYTES;
writel(value, priv->io + KIRKWOOD_INT_MASK);
diff --git a/sound/soc/samsung/bells.c b/sound/soc/samsung/bells.c
index b56b9a3..a2ca156 100644
--- a/sound/soc/samsung/bells.c
+++ b/sound/soc/samsung/bells.c
@@ -212,7 +212,7 @@
{
.name = "Sub",
.stream_name = "Sub",
- .cpu_dai_name = "wm5110-aif3",
+ .cpu_dai_name = "wm5102-aif3",
.codec_dai_name = "wm9081-hifi",
.codec_name = "wm9081.1-006c",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
@@ -247,7 +247,7 @@
{
.name = "Sub",
.stream_name = "Sub",
- .cpu_dai_name = "wm5102-aif3",
+ .cpu_dai_name = "wm5110-aif3",
.codec_dai_name = "wm9081-hifi",
.codec_name = "wm9081.1-006c",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index c83f614..eeefbce 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -148,6 +148,7 @@
struct snd_usb_midi_out_endpoint* ep;
struct snd_rawmidi_substream *substream;
int active;
+ bool autopm_reference;
uint8_t cable; /* cable number << 4 */
uint8_t state;
#define STATE_UNKNOWN 0
@@ -1076,7 +1077,8 @@
return -ENXIO;
}
err = usb_autopm_get_interface(umidi->iface);
- if (err < 0)
+ port->autopm_reference = err >= 0;
+ if (err < 0 && err != -EACCES)
return -EIO;
substream->runtime->private_data = port;
port->state = STATE_UNKNOWN;
@@ -1087,9 +1089,11 @@
static int snd_usbmidi_output_close(struct snd_rawmidi_substream *substream)
{
struct snd_usb_midi* umidi = substream->rmidi->private_data;
+ struct usbmidi_out_port *port = substream->runtime->private_data;
substream_open(substream, 0);
- usb_autopm_put_interface(umidi->iface);
+ if (port->autopm_reference)
+ usb_autopm_put_interface(umidi->iface);
return 0;
}
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 5c12a3f..ef6fa24 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -459,7 +459,7 @@
return ret;
if (subs->sync_endpoint)
- ret = snd_usb_endpoint_set_params(subs->data_endpoint,
+ ret = snd_usb_endpoint_set_params(subs->sync_endpoint,
subs->pcm_format,
subs->channels,
subs->period_bytes,