Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm:
ARM: fix missing branch in __error_a
ARM: fix /proc/$PID/stack on SMP
ARM: Fix build regression on SA11x0, PXA, and H720x targets
ARM: 6625/1: use memblock memory regions for "System RAM" I/O resources
ARM: fix wrongly patched constants
ARM: 6624/1: fix dependency for CONFIG_SMP_ON_UP
ARM: 6623/1: Thumb-2: Fix out-of-range offset for Thumb-2 in proc-v7.S
ARM: 6622/1: fix dma_unmap_sg() documentation
ARM: 6621/1: bitops: remove condition code clobber for CLZ
ARM: 6620/1: Change misleading warning when CONFIG_CMDLINE_FORCE is used
ARM: 6619/1: nommu: avoid mapping vectors page when !CONFIG_MMU
ARM: sched_clock: make minsec argument to clocks_calc_mult_shift() zero
ARM: sched_clock: allow init_sched_clock() to be called early
ARM: integrator: fix compile warning in cpu.c
ARM: 6616/1: Fix ep93xx-fb init/exit annotations
ARM: twd: fix display of twd frequency
ARM: udelay: prevent math rounding resulting in short udelays
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e2f8011..629ff82 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1281,7 +1281,7 @@
config SMP_ON_UP
bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)"
depends on EXPERIMENTAL
- depends on SMP && !XIP
+ depends on SMP && !XIP_KERNEL
default y
help
SMP kernels contain instructions which fail on non-SMP processors.
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h
index 338ff19..7b1bb2b 100644
--- a/arch/arm/include/asm/bitops.h
+++ b/arch/arm/include/asm/bitops.h
@@ -285,7 +285,7 @@
if (__builtin_constant_p(x))
return constant_fls(x);
- asm("clz\t%0, %1" : "=r" (ret) : "r" (x) : "cc");
+ asm("clz\t%0, %1" : "=r" (ret) : "r" (x));
ret = 32 - ret;
return ret;
}
diff --git a/arch/arm/include/asm/sched_clock.h b/arch/arm/include/asm/sched_clock.h
index a84628b..c8e6ddf 100644
--- a/arch/arm/include/asm/sched_clock.h
+++ b/arch/arm/include/asm/sched_clock.h
@@ -115,4 +115,6 @@
}
}
+extern void sched_clock_postinit(void);
+
#endif
diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S
index bbecaac..8f57515 100644
--- a/arch/arm/kernel/head-common.S
+++ b/arch/arm/kernel/head-common.S
@@ -60,6 +60,8 @@
str_a2: .asciz ").\n\nAvailable machine support:\n\nID (hex)\tNAME\n"
str_a3: .asciz "\nPlease check your kernel config and/or bootloader.\n"
.align
+#else
+ b __error
#endif
/*
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index e76fcaa..94bbedb 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -483,6 +483,7 @@
return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
}
+#ifdef CONFIG_MMU
/*
* The vectors page is always readable from user space for the
* atomic helpers and the signal restart code. Let's declare a mapping
@@ -503,3 +504,4 @@
{
return (vma->vm_start == 0xffff0000) ? "[vectors]" : NULL;
}
+#endif
diff --git a/arch/arm/kernel/sched_clock.c b/arch/arm/kernel/sched_clock.c
index 2cdcc92..9a46370 100644
--- a/arch/arm/kernel/sched_clock.c
+++ b/arch/arm/kernel/sched_clock.c
@@ -34,7 +34,7 @@
sched_clock_update_fn = update;
/* calculate the mult/shift to convert counter ticks to ns. */
- clocks_calc_mult_shift(&cd->mult, &cd->shift, rate, NSEC_PER_SEC, 60);
+ clocks_calc_mult_shift(&cd->mult, &cd->shift, rate, NSEC_PER_SEC, 0);
r = rate;
if (r >= 4000000) {
@@ -60,10 +60,15 @@
* sets the initial epoch.
*/
sched_clock_timer.data = msecs_to_jiffies(w - (w / 10));
- sched_clock_poll(sched_clock_timer.data);
+ update();
/*
* Ensure that sched_clock() starts off at 0ns
*/
cd->epoch_ns = 0;
}
+
+void __init sched_clock_postinit(void)
+{
+ sched_clock_poll(sched_clock_timer.data);
+}
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 3455ad3..420b8d6 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -518,25 +518,21 @@
#endif
}
-static void __init
-request_standard_resources(struct meminfo *mi, struct machine_desc *mdesc)
+static void __init request_standard_resources(struct machine_desc *mdesc)
{
+ struct memblock_region *region;
struct resource *res;
- int i;
kernel_code.start = virt_to_phys(_text);
kernel_code.end = virt_to_phys(_etext - 1);
kernel_data.start = virt_to_phys(_sdata);
kernel_data.end = virt_to_phys(_end - 1);
- for (i = 0; i < mi->nr_banks; i++) {
- if (mi->bank[i].size == 0)
- continue;
-
+ for_each_memblock(memory, region) {
res = alloc_bootmem_low(sizeof(*res));
res->name = "System RAM";
- res->start = mi->bank[i].start;
- res->end = mi->bank[i].start + mi->bank[i].size - 1;
+ res->start = __pfn_to_phys(memblock_region_memory_base_pfn(region));
+ res->end = __pfn_to_phys(memblock_region_memory_end_pfn(region)) - 1;
res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
request_resource(&iomem_resource, res);
@@ -650,15 +646,17 @@
__tagtable(ATAG_REVISION, parse_tag_revision);
-#ifndef CONFIG_CMDLINE_FORCE
static int __init parse_tag_cmdline(const struct tag *tag)
{
+#ifndef CONFIG_CMDLINE_FORCE
strlcpy(default_command_line, tag->u.cmdline.cmdline, COMMAND_LINE_SIZE);
+#else
+ pr_warning("Ignoring tag cmdline (using the default kernel command line)\n");
+#endif /* CONFIG_CMDLINE_FORCE */
return 0;
}
__tagtable(ATAG_CMDLINE, parse_tag_cmdline);
-#endif /* CONFIG_CMDLINE_FORCE */
/*
* Scan the tag table for this tag, and call its parse function.
@@ -857,7 +855,7 @@
arm_memblock_init(&meminfo, mdesc);
paging_init(mdesc);
- request_standard_resources(&meminfo, mdesc);
+ request_standard_resources(mdesc);
#ifdef CONFIG_SMP
if (is_smp())
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index dd79074..fd91566 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -114,7 +114,7 @@
twd_timer_rate = (0xFFFFFFFFU - count) * (HZ / 5);
printk("%lu.%02luMHz.\n", twd_timer_rate / 1000000,
- (twd_timer_rate / 100000) % 100);
+ (twd_timer_rate / 1000000) % 100);
}
load = twd_timer_rate / HZ;
diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index c2e112e..381d23a 100644
--- a/arch/arm/kernel/stacktrace.c
+++ b/arch/arm/kernel/stacktrace.c
@@ -94,10 +94,13 @@
if (tsk != current) {
#ifdef CONFIG_SMP
/*
- * What guarantees do we have here that 'tsk'
- * is not running on another CPU?
+ * What guarantees do we have here that 'tsk' is not
+ * running on another CPU? For now, ignore it as we
+ * can't guarantee we won't explode.
*/
- BUG();
+ if (trace->nr_entries < trace->max_entries)
+ trace->entries[trace->nr_entries++] = ULONG_MAX;
+ return;
#else
data.no_sched_functions = 1;
frame.fp = thread_saved_fp(tsk);
diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index f1e2eb1..3d76bf2 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -29,6 +29,7 @@
#include <asm/leds.h>
#include <asm/thread_info.h>
+#include <asm/sched_clock.h>
#include <asm/stacktrace.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
@@ -163,5 +164,8 @@
{
system_timer = machine_desc->timer;
system_timer->init();
+#ifdef CONFIG_HAVE_SCHED_CLOCK
+ sched_clock_postinit();
+#endif
}
diff --git a/arch/arm/lib/delay.S b/arch/arm/lib/delay.S
index 8d6a876..3c9a05c 100644
--- a/arch/arm/lib/delay.S
+++ b/arch/arm/lib/delay.S
@@ -25,11 +25,15 @@
ldr r2, .LC1
mul r0, r2, r0
ENTRY(__const_udelay) @ 0 <= r0 <= 0x7fffff06
+ mov r1, #-1
ldr r2, .LC0
ldr r2, [r2] @ max = 0x01ffffff
+ add r0, r0, r1, lsr #32-14
mov r0, r0, lsr #14 @ max = 0x0001ffff
+ add r2, r2, r1, lsr #32-10
mov r2, r2, lsr #10 @ max = 0x00007fff
mul r0, r2, r0 @ max = 2^32-1
+ add r0, r0, r1, lsr #32-6
movs r0, r0, lsr #6
moveq pc, lr
diff --git a/arch/arm/mach-h720x/h7201-eval.c b/arch/arm/mach-h720x/h7201-eval.c
index 79f0b89..629454d 100644
--- a/arch/arm/mach-h720x/h7201-eval.c
+++ b/arch/arm/mach-h720x/h7201-eval.c
@@ -23,7 +23,6 @@
#include <asm/types.h>
#include <asm/mach-types.h>
#include <asm/page.h>
-#include <asm/pgtable.h>
#include <asm/mach/arch.h>
#include <mach/hardware.h>
#include "common.h"
diff --git a/arch/arm/mach-h720x/h7202-eval.c b/arch/arm/mach-h720x/h7202-eval.c
index cc28b1e..e9f46b6 100644
--- a/arch/arm/mach-h720x/h7202-eval.c
+++ b/arch/arm/mach-h720x/h7202-eval.c
@@ -23,7 +23,6 @@
#include <asm/types.h>
#include <asm/mach-types.h>
#include <asm/page.h>
-#include <asm/pgtable.h>
#include <asm/mach/arch.h>
#include <mach/irqs.h>
#include <mach/hardware.h>
diff --git a/arch/arm/mach-integrator/cpu.c b/arch/arm/mach-integrator/cpu.c
index a3fbcb3..fbb4577 100644
--- a/arch/arm/mach-integrator/cpu.c
+++ b/arch/arm/mach-integrator/cpu.c
@@ -173,7 +173,7 @@
if (machine_is_integrator()) {
vco.s = (cm_osc >> 8) & 7;
- } else if (machine_is_cintegrator()) {
+ } else {
vco.s = 1;
}
vco.v = cm_osc & 255;
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index d6e15f7..f5d91ef 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -22,7 +22,6 @@
#include <mach/hardware.h>
#include <asm/system.h>
-#include <asm/pgtable.h>
#include <asm/mach/map.h>
#include <asm/mach-types.h>
diff --git a/arch/arm/mach-s5pv310/hotplug.c b/arch/arm/mach-s5pv310/hotplug.c
index afa5392..c24235c 100644
--- a/arch/arm/mach-s5pv310/hotplug.c
+++ b/arch/arm/mach-s5pv310/hotplug.c
@@ -30,10 +30,10 @@
* Turn off coherency
*/
" mrc p15, 0, %0, c1, c0, 1\n"
- " bic %0, %0, %2\n"
+ " bic %0, %0, #0x20\n"
" mcr p15, 0, %0, c1, c0, 1\n"
" mrc p15, 0, %0, c1, c0, 0\n"
- " bic %0, %0, #0x04\n"
+ " bic %0, %0, %2\n"
" mcr p15, 0, %0, c1, c0, 0\n"
: "=&r" (v)
: "r" (0), "Ir" (CR_C)
diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c
index 59d14f0..e21f347 100644
--- a/arch/arm/mach-sa1100/generic.c
+++ b/arch/arm/mach-sa1100/generic.c
@@ -21,7 +21,6 @@
#include <asm/div64.h>
#include <mach/hardware.h>
#include <asm/system.h>
-#include <asm/pgtable.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>
#include <asm/irq.h>
diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c
index a5cb1ce..f329404 100644
--- a/arch/arm/mach-tegra/hotplug.c
+++ b/arch/arm/mach-tegra/hotplug.c
@@ -26,10 +26,10 @@
* Turn off coherency
*/
" mrc p15, 0, %0, c1, c0, 1\n"
- " bic %0, %0, %2\n"
+ " bic %0, %0, #0x20\n"
" mcr p15, 0, %0, c1, c0, 1\n"
" mrc p15, 0, %0, c1, c0, 0\n"
- " bic %0, %0, #0x04\n"
+ " bic %0, %0, %2\n"
" mcr p15, 0, %0, c1, c0, 0\n"
: "=&r" (v)
: "r" (0), "Ir" (CR_C)
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 6b48e0a..4771dba 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -577,7 +577,7 @@
* dma_unmap_sg - unmap a set of SG buffers mapped by dma_map_sg
* @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
* @sg: list of buffers
- * @nents: number of buffers to unmap (returned from dma_map_sg)
+ * @nents: number of buffers to unmap (same as was passed to dma_map_sg)
* @dir: DMA transfer direction (same as was passed to dma_map_sg)
*
* Unmap a set of streaming mode DMA translations. Again, CPU access
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index b49fab2..0c1172b 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -159,7 +159,9 @@
tstne r1, #L_PTE_PRESENT
moveq r3, #0
- str r3, [r0, #2048]!
+ ARM( str r3, [r0, #2048]! )
+ THUMB( add r0, r0, #2048 )
+ THUMB( str r3, [r0] )
mcr p15, 0, r0, c7, c10, 1 @ flush_pte
#endif
mov pc, lr
diff --git a/drivers/video/ep93xx-fb.c b/drivers/video/ep93xx-fb.c
index 0c99de0..b358d04 100644
--- a/drivers/video/ep93xx-fb.c
+++ b/drivers/video/ep93xx-fb.c
@@ -483,7 +483,7 @@
info->screen_base, info->fix.smem_start);
}
-static int __init ep93xxfb_probe(struct platform_device *pdev)
+static int __devinit ep93xxfb_probe(struct platform_device *pdev)
{
struct ep93xxfb_mach_info *mach_info = pdev->dev.platform_data;
struct fb_info *info;
@@ -598,7 +598,7 @@
return err;
}
-static int ep93xxfb_remove(struct platform_device *pdev)
+static int __devexit ep93xxfb_remove(struct platform_device *pdev)
{
struct fb_info *info = platform_get_drvdata(pdev);
struct ep93xx_fbi *fbi = info->par;
@@ -622,7 +622,7 @@
static struct platform_driver ep93xxfb_driver = {
.probe = ep93xxfb_probe,
- .remove = ep93xxfb_remove,
+ .remove = __devexit_p(ep93xxfb_remove),
.driver = {
.name = "ep93xx-fb",
.owner = THIS_MODULE,