Merge branch 'mmci' into fixes
diff --git a/arch/arm/include/asm/hardware/sp810.h b/arch/arm/include/asm/hardware/sp810.h
index a101f10..721847d 100644
--- a/arch/arm/include/asm/hardware/sp810.h
+++ b/arch/arm/include/asm/hardware/sp810.h
@@ -50,6 +50,12 @@
 #define SCPCELLID2		0xFF8
 #define SCPCELLID3		0xFFC
 
+#define SCCTRL_TIMEREN0SEL_REFCLK	(0 << 15)
+#define SCCTRL_TIMEREN0SEL_TIMCLK	(1 << 15)
+
+#define SCCTRL_TIMEREN1SEL_REFCLK	(0 << 17)
+#define SCCTRL_TIMEREN1SEL_TIMCLK	(1 << 17)
+
 static inline void sysctl_soft_reset(void __iomem *base)
 {
 	/* writing any value to SCSYSSTAT reg will reset system */
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 23c2e8e..d0ee74b 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -188,7 +188,7 @@
  * translation for translating DMA addresses.  Use the driver
  * DMA support - see dma-mapping.h.
  */
-static inline unsigned long virt_to_phys(void *x)
+static inline unsigned long virt_to_phys(const volatile void *x)
 {
 	return __virt_to_phys((unsigned long)(x));
 }
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index fd91566..60636f4 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -36,6 +36,7 @@
 		/* timer load already set up */
 		ctrl = TWD_TIMER_CONTROL_ENABLE | TWD_TIMER_CONTROL_IT_ENABLE
 			| TWD_TIMER_CONTROL_PERIODIC;
+		__raw_writel(twd_timer_rate / HZ, twd_base + TWD_TIMER_LOAD);
 		break;
 	case CLOCK_EVT_MODE_ONESHOT:
 		/* period set, and timer enabled in 'next_event' hook */
@@ -81,7 +82,7 @@
 
 static void __cpuinit twd_calibrate_rate(void)
 {
-	unsigned long load, count;
+	unsigned long count;
 	u64 waitjiffies;
 
 	/*
@@ -116,10 +117,6 @@
 		printk("%lu.%02luMHz.\n", twd_timer_rate / 1000000,
 			(twd_timer_rate / 1000000) % 100);
 	}
-
-	load = twd_timer_rate / HZ;
-
-	__raw_writel(load, twd_base + TWD_TIMER_LOAD);
 }
 
 /*
diff --git a/arch/arm/mach-ep93xx/gpio.c b/arch/arm/mach-ep93xx/gpio.c
index f3dc76f..bec34b8 100644
--- a/arch/arm/mach-ep93xx/gpio.c
+++ b/arch/arm/mach-ep93xx/gpio.c
@@ -427,6 +427,13 @@
 {
 	int i;
 
+	/* Set Ports C, D, E, G, and H for GPIO use */
+	ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_KEYS |
+				 EP93XX_SYSCON_DEVCFG_GONK |
+				 EP93XX_SYSCON_DEVCFG_EONIDE |
+				 EP93XX_SYSCON_DEVCFG_GONIDE |
+				 EP93XX_SYSCON_DEVCFG_HONIDE);
+
 	for (i = 0; i < ARRAY_SIZE(ep93xx_gpio_banks); i++)
 		gpiochip_add(&ep93xx_gpio_banks[i].chip);
 }
diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig
index b4575ae..7ca138a 100644
--- a/arch/arm/mach-realview/Kconfig
+++ b/arch/arm/mach-realview/Kconfig
@@ -2,52 +2,56 @@
 	depends on ARCH_REALVIEW
 
 config MACH_REALVIEW_EB
-	bool "Support RealView/EB platform"
+	bool "Support RealView(R) Emulation Baseboard"
 	select ARM_GIC
 	help
-	  Include support for the ARM(R) RealView Emulation Baseboard platform.
+	  Include support for the ARM(R) RealView(R) Emulation Baseboard
+	  platform.
 
 config REALVIEW_EB_A9MP
-	bool "Support Multicore Cortex-A9"
+	bool "Support Multicore Cortex-A9 Tile"
 	depends on MACH_REALVIEW_EB
 	select CPU_V7
 	help
-	  Enable support for the Cortex-A9MPCore tile on the Realview platform.
+	  Enable support for the Cortex-A9MPCore tile fitted to the
+	  Realview(R) Emulation Baseboard platform.
 
 config REALVIEW_EB_ARM11MP
-	bool "Support ARM11MPCore tile"
+	bool "Support ARM11MPCore Tile"
 	depends on MACH_REALVIEW_EB
 	select CPU_V6
 	select ARCH_HAS_BARRIERS if SMP
 	help
-	  Enable support for the ARM11MPCore tile on the Realview platform.
+	  Enable support for the ARM11MPCore tile fitted to the Realview(R)
+	  Emulation Baseboard platform.
 
 config REALVIEW_EB_ARM11MP_REVB
-	bool "Support ARM11MPCore RevB tile"
+	bool "Support ARM11MPCore RevB Tile"
 	depends on REALVIEW_EB_ARM11MP
 	help
-	  Enable support for the ARM11MPCore RevB tile on the Realview
-	  platform. Since there are device address differences, a
-	  kernel built with this option enabled is not compatible with
-	  other revisions of the ARM11MPCore tile.
+	  Enable support for the ARM11MPCore Revision B tile on the
+	  Realview(R) Emulation Baseboard platform. Since there are device
+	  address differences, a kernel built with this option enabled is
+	  not compatible with other revisions of the ARM11MPCore tile.
 
 config MACH_REALVIEW_PB11MP
-	bool "Support RealView/PB11MPCore platform"
+	bool "Support RealView(R) Platform Baseboard for ARM11MPCore"
 	select CPU_V6
 	select ARM_GIC
 	select HAVE_PATA_PLATFORM
 	select ARCH_HAS_BARRIERS if SMP
 	help
-	  Include support for the ARM(R) RealView MPCore Platform Baseboard.
-	  PB11MPCore is a platform with an on-board ARM11MPCore and has
+	  Include support for the ARM(R) RealView(R) Platform Baseboard for
+	  the ARM11MPCore.  This platform has an on-board ARM11MPCore and has
 	  support for PCI-E and Compact Flash.
 
 config MACH_REALVIEW_PB1176
-	bool "Support RealView/PB1176 platform"
+	bool "Support RealView(R) Platform Baseboard for ARM1176JZF-S"
 	select CPU_V6
 	select ARM_GIC
 	help
-	  Include support for the ARM(R) RealView ARM1176 Platform Baseboard.
+	  Include support for the ARM(R) RealView(R) Platform Baseboard for
+	  ARM1176JZF-S.
 
 config REALVIEW_PB1176_SECURE_FLASH
 	bool "Allow access to the secure flash memory block"
@@ -59,23 +63,24 @@
 	  block (64MB @ 0x3c000000) is required.
 
 config MACH_REALVIEW_PBA8
-	bool "Support RealView/PB-A8 platform"
+	bool "Support RealView(R) Platform Baseboard for Cortex(tm)-A8 platform"
 	select CPU_V7
 	select ARM_GIC
 	select HAVE_PATA_PLATFORM
 	help
-	  Include support for the ARM(R) RealView Cortex-A8 Platform Baseboard.
-	  PB-A8 is a platform with an on-board Cortex-A8 and has support for
-	  PCI-E and Compact Flash.
+	  Include support for the ARM(R) RealView Platform Baseboard for
+	  Cortex(tm)-A8.  This platform has an on-board Cortex-A8 and has
+	  support for PCI-E and Compact Flash.
 
 config MACH_REALVIEW_PBX
-	bool "Support RealView/PBX platform"
+	bool "Support RealView(R) Platform Baseboard Explore"
 	select ARM_GIC
 	select HAVE_PATA_PLATFORM
 	select ARCH_SPARSEMEM_ENABLE if CPU_V7 && !REALVIEW_HIGH_PHYS_OFFSET
 	select ZONE_DMA if SPARSEMEM
 	help
-	  Include support for the ARM(R) RealView PBX platform.
+	  Include support for the ARM(R) RealView(R) Platform Baseboard
+	  Explore.
 
 config REALVIEW_HIGH_PHYS_OFFSET
 	bool "High physical base address for the RealView platform"
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c
index a22bf67..6959d13 100644
--- a/arch/arm/mach-realview/platsmp.c
+++ b/arch/arm/mach-realview/platsmp.c
@@ -41,7 +41,7 @@
  * observers, irrespective of whether they're taking part in coherency
  * or not.  This is necessary for the hotplug code to work reliably.
  */
-static void write_pen_release(int val)
+static void __cpuinit write_pen_release(int val)
 {
 	pen_release = val;
 	smp_wmb();
diff --git a/arch/arm/mach-versatile/Kconfig b/arch/arm/mach-versatile/Kconfig
index 3f7b5e9..9cdec5a 100644
--- a/arch/arm/mach-versatile/Kconfig
+++ b/arch/arm/mach-versatile/Kconfig
@@ -2,17 +2,19 @@
 	depends on ARCH_VERSATILE
 
 config ARCH_VERSATILE_PB
-	bool "Support Versatile/PB platform"
+	bool "Support Versatile Platform Baseboard for ARM926EJ-S"
 	select CPU_ARM926T
 	select MIGHT_HAVE_PCI
 	default y
 	help
-	  Include support for the ARM(R) Versatile/PB platform.
+	  Include support for the ARM(R) Versatile Platform Baseboard
+	  for the ARM926EJ-S.
 
 config MACH_VERSATILE_AB
-	bool "Support Versatile/AB platform"
+	bool "Support Versatile Application Baseboard for ARM926EJ-S"
 	select CPU_ARM926T
 	help
-	  Include support for the ARM(R) Versatile/AP platform.
+	  Include support for the ARM(R) Versatile Application Baseboard
+	  for the ARM926EJ-S.
 
 endmenu
diff --git a/arch/arm/mach-vexpress/platsmp.c b/arch/arm/mach-vexpress/platsmp.c
index b1687b6..634bf1d 100644
--- a/arch/arm/mach-vexpress/platsmp.c
+++ b/arch/arm/mach-vexpress/platsmp.c
@@ -39,7 +39,7 @@
  * observers, irrespective of whether they're taking part in coherency
  * or not.  This is necessary for the hotplug code to work reliably.
  */
-static void write_pen_release(int val)
+static void __cpuinit write_pen_release(int val)
 {
 	pen_release = val;
 	smp_wmb();
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index a9ed342..1edae65 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -19,6 +19,7 @@
 #include <asm/mach/time.h>
 #include <asm/hardware/arm_timer.h>
 #include <asm/hardware/timer-sp.h>
+#include <asm/hardware/sp810.h>
 
 #include <mach/motherboard.h>
 
@@ -50,8 +51,16 @@
 
 static void __init v2m_timer_init(void)
 {
+	u32 scctrl;
+
 	versatile_sched_clock_init(MMIO_P2V(V2M_SYS_24MHZ), 24000000);
 
+	/* Select 1MHz TIMCLK as the reference clock for SP804 timers */
+	scctrl = readl(MMIO_P2V(V2M_SYSCTL + SCCTRL));
+	scctrl |= SCCTRL_TIMEREN0SEL_TIMCLK;
+	scctrl |= SCCTRL_TIMEREN1SEL_TIMCLK;
+	writel(scctrl, MMIO_P2V(V2M_SYSCTL + SCCTRL));
+
 	writel(0, MMIO_P2V(V2M_TIMER0) + TIMER_CTRL);
 	writel(0, MMIO_P2V(V2M_TIMER1) + TIMER_CTRL);
 
diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c
index 91acc9a..24d3013 100644
--- a/sound/arm/aaci.c
+++ b/sound/arm/aaci.c
@@ -30,6 +30,8 @@
 
 #define DRIVER_NAME	"aaci-pl041"
 
+#define FRAME_PERIOD_US	21
+
 /*
  * PM support is not complete.  Turn it off.
  */
@@ -64,8 +66,8 @@
 			    unsigned short val)
 {
 	struct aaci *aaci = ac97->private_data;
+	int timeout;
 	u32 v;
-	int timeout = 5000;
 
 	if (ac97->num >= 4)
 		return;
@@ -81,14 +83,17 @@
 	writel(val << 4, aaci->base + AACI_SL2TX);
 	writel(reg << 12, aaci->base + AACI_SL1TX);
 
-	/*
-	 * Wait for the transmission of both slots to complete.
-	 */
+	/* Initially, wait one frame period */
+	udelay(FRAME_PERIOD_US);
+
+	/* And then wait an additional eight frame periods for it to be sent */
+	timeout = FRAME_PERIOD_US * 8;
 	do {
+		udelay(1);
 		v = readl(aaci->base + AACI_SLFR);
 	} while ((v & (SLFR_1TXB|SLFR_2TXB)) && --timeout);
 
-	if (!timeout)
+	if (v & (SLFR_1TXB|SLFR_2TXB))
 		dev_err(&aaci->dev->dev,
 			"timeout waiting for write to complete\n");
 
@@ -101,9 +106,8 @@
 static unsigned short aaci_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
 {
 	struct aaci *aaci = ac97->private_data;
+	int timeout, retries = 10;
 	u32 v;
-	int timeout = 5000;
-	int retries = 10;
 
 	if (ac97->num >= 4)
 		return ~0;
@@ -117,35 +121,34 @@
 	 */
 	writel((reg << 12) | (1 << 19), aaci->base + AACI_SL1TX);
 
-	/*
-	 * Wait for the transmission to complete.
-	 */
+	/* Initially, wait one frame period */
+	udelay(FRAME_PERIOD_US);
+
+	/* And then wait an additional eight frame periods for it to be sent */
+	timeout = FRAME_PERIOD_US * 8;
 	do {
+		udelay(1);
 		v = readl(aaci->base + AACI_SLFR);
 	} while ((v & SLFR_1TXB) && --timeout);
 
-	if (!timeout) {
+	if (v & SLFR_1TXB) {
 		dev_err(&aaci->dev->dev, "timeout on slot 1 TX busy\n");
 		v = ~0;
 		goto out;
 	}
 
-	/*
-	 * Give the AC'97 codec more than enough time
-	 * to respond. (42us = ~2 frames at 48kHz.)
-	 */
-	udelay(42);
+	/* Now wait for the response frame */
+	udelay(FRAME_PERIOD_US);
 
-	/*
-	 * Wait for slot 2 to indicate data.
-	 */
-	timeout = 5000;
+	/* And then wait an additional eight frame periods for data */
+	timeout = FRAME_PERIOD_US * 8;
 	do {
+		udelay(1);
 		cond_resched();
 		v = readl(aaci->base + AACI_SLFR) & (SLFR_1RXV|SLFR_2RXV);
 	} while ((v != (SLFR_1RXV|SLFR_2RXV)) && --timeout);
 
-	if (!timeout) {
+	if (v != (SLFR_1RXV|SLFR_2RXV)) {
 		dev_err(&aaci->dev->dev, "timeout on RX valid\n");
 		v = ~0;
 		goto out;
@@ -179,6 +182,7 @@
 	int timeout = 5000;
 
 	do {
+		udelay(1);
 		val = readl(aacirun->base + AACI_SR);
 	} while (val & mask && timeout--);
 }
@@ -874,7 +878,7 @@
 	 * Give the AC'97 codec more than enough time
 	 * to wake up. (42us = ~2 frames at 48kHz.)
 	 */
-	udelay(42);
+	udelay(FRAME_PERIOD_US * 2);
 
 	ret = snd_ac97_bus(aaci->card, 0, &aaci_bus_ops, aaci, &ac97_bus);
 	if (ret)