Merge branch 'sched/urgent' into sched/core

Merge reason: Merge dependent fix, update to latest -rc.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

26 files changed, 373 insertions, 198 deletions

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 10eafa70a909..606bf04f51b6 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -80,6 +80,7 @@ config MACH_OVERO
 config MACH_OMAP3EVM
 	bool "OMAP 3530 EVM board"
 	depends on ARCH_OMAP3 && ARCH_OMAP34XX
+	select OMAP_PACKAGE_CBB
 
 config MACH_OMAP3517EVM
 	bool "OMAP3517/ AM3517 EVM board"
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
index 8dd277c36661..1e3dfb652acc 100755
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
@@ -63,21 +63,21 @@ static int board_keymap[] = {
 	KEY(5, 1, KEY_H),
 	KEY(5, 2, KEY_J),
 	KEY(5, 3, KEY_F3),
+	KEY(5, 4, KEY_UNKNOWN),
 	KEY(5, 5, KEY_VOLUMEDOWN),
 	KEY(5, 6, KEY_M),
-	KEY(5, 7, KEY_ENTER),
+	KEY(5, 7, KEY_RIGHT),
 	KEY(6, 0, KEY_Q),
 	KEY(6, 1, KEY_A),
 	KEY(6, 2, KEY_N),
 	KEY(6, 3, KEY_BACKSPACE),
 	KEY(6, 6, KEY_P),
-	KEY(6, 7, KEY_SELECT),
+	KEY(6, 7, KEY_UP),
 	KEY(7, 0, KEY_PROG1),	/*MACRO 1 <User defined> */
 	KEY(7, 1, KEY_PROG2),	/*MACRO 2 <User defined> */
 	KEY(7, 2, KEY_PROG3),	/*MACRO 3 <User defined> */
 	KEY(7, 3, KEY_PROG4),	/*MACRO 4 <User defined> */
-	KEY(7, 5, KEY_RIGHT),
-	KEY(7, 6, KEY_UP),
+	KEY(7, 6, KEY_SELECT),
 	KEY(7, 7, KEY_DOWN)
 };
 
diff --git a/arch/arm/mach-omap2/clock2xxx.c b/arch/arm/mach-omap2/clock2xxx.c
index d0e3fb7f9298..5420356eb407 100644
--- a/arch/arm/mach-omap2/clock2xxx.c
+++ b/arch/arm/mach-omap2/clock2xxx.c
@@ -449,40 +449,78 @@ int omap2_select_table_rate(struct clk *clk, unsigned long rate)
 #ifdef CONFIG_CPU_FREQ
 /*
  * Walk PRCM rate table and fillout cpufreq freq_table
+ * XXX This should be replaced by an OPP layer in the near future
  */
-static struct cpufreq_frequency_table freq_table[ARRAY_SIZE(rate_table)];
+static struct cpufreq_frequency_table *freq_table;
 
 void omap2_clk_init_cpufreq_table(struct cpufreq_frequency_table **table)
 {
-	struct prcm_config *prcm;
+	const struct prcm_config *prcm;
+	long sys_ck_rate;
 	int i = 0;
+	int tbl_sz = 0;
+
+	sys_ck_rate = clk_get_rate(sclk);
 
 	for (prcm = rate_table; prcm->mpu_speed; prcm++) {
 		if (!(prcm->flags & cpu_mask))
 			continue;
-		if (prcm->xtal_speed != sys_ck.rate)
+		if (prcm->xtal_speed != sys_ck_rate)
 			continue;
 
 		/* don't put bypass rates in table */
 		if (prcm->dpll_speed == prcm->xtal_speed)
 			continue;
 
-		freq_table[i].index = i;
-		freq_table[i].frequency = prcm->mpu_speed / 1000;
-		i++;
+		tbl_sz++;
 	}
 
-	if (i == 0) {
-		printk(KERN_WARNING "%s: failed to initialize frequency "
-		       "table\n", __func__);
+	/*
+	 * XXX Ensure that we're doing what CPUFreq expects for this error
+	 * case and the following one
+	 */
+	if (tbl_sz == 0) {
+		pr_warning("%s: no matching entries in rate_table\n",
+			   __func__);
+		return;
+	}
+
+	/* Include the CPUFREQ_TABLE_END terminator entry */
+	tbl_sz++;
+
+	freq_table = kzalloc(sizeof(struct cpufreq_frequency_table) * tbl_sz,
+			     GFP_ATOMIC);
+	if (!freq_table) {
+		pr_err("%s: could not kzalloc frequency table\n", __func__);
 		return;
 	}
 
+	for (prcm = rate_table; prcm->mpu_speed; prcm++) {
+		if (!(prcm->flags & cpu_mask))
+			continue;
+		if (prcm->xtal_speed != sys_ck_rate)
+			continue;
+
+		/* don't put bypass rates in table */
+		if (prcm->dpll_speed == prcm->xtal_speed)
+			continue;
+
+		freq_table[i].index = i;
+		freq_table[i].frequency = prcm->mpu_speed / 1000;
+		i++;
+	}
+
 	freq_table[i].index = i;
 	freq_table[i].frequency = CPUFREQ_TABLE_END;
 
 	*table = &freq_table[0];
 }
+
+void omap2_clk_exit_cpufreq_table(struct cpufreq_frequency_table **table)
+{
+	kfree(freq_table);
+}
+
 #endif
 
 struct clk_functions omap2_clk_functions = {
@@ -494,6 +532,7 @@ struct clk_functions omap2_clk_functions = {
 	.clk_disable_unused	= omap2_clk_disable_unused,
 #ifdef	CONFIG_CPU_FREQ
 	.clk_init_cpufreq_table	= omap2_clk_init_cpufreq_table,
+	.clk_exit_cpufreq_table	= omap2_clk_exit_cpufreq_table,
 #endif
 };
 
diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index ded32364f32b..d4217b93e10b 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -34,7 +34,6 @@
 #include <asm/div64.h>
 #include <asm/clkdev.h>
 
-#include <plat/sdrc.h>
 #include "clock.h"
 #include "clock34xx.h"
 #include "sdrc.h"
diff --git a/arch/arm/mach-omap2/clock34xx_data.c b/arch/arm/mach-omap2/clock34xx_data.c
index 8bdcc9cc7f9a..74930e3158e3 100644
--- a/arch/arm/mach-omap2/clock34xx_data.c
+++ b/arch/arm/mach-omap2/clock34xx_data.c
@@ -671,7 +671,6 @@ static struct clk dpll4_m3x2_ck = {
 	.name		= "dpll4_m3x2_ck",
 	.ops		= &clkops_omap2_dflt_wait,
 	.parent		= &dpll4_m3_ck,
-	.init		= &omap2_init_clksel_parent,
 	.enable_reg	= OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN),
 	.enable_bit	= OMAP3430_PWRDN_TV_SHIFT,
 	.flags		= INVERT_ENABLE,
@@ -776,6 +775,8 @@ static struct clk dpll4_m5_ck = {
 	.clksel_mask	= OMAP3430_CLKSEL_CAM_MASK,
 	.clksel		= div16_dpll4_clksel,
 	.clkdm_name	= "dpll4_clkdm",
+	.set_rate	= &omap2_clksel_set_rate,
+	.round_rate	= &omap2_clksel_round_rate,
 	.recalc		= &omap2_clksel_recalc,
 };
 
@@ -809,7 +810,6 @@ static struct clk dpll4_m6x2_ck = {
 	.name		= "dpll4_m6x2_ck",
 	.ops		= &clkops_omap2_dflt_wait,
 	.parent		= &dpll4_m6_ck,
-	.init		= &omap2_init_clksel_parent,
 	.enable_reg	= OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN),
 	.enable_bit	= OMAP3430_PWRDN_EMU_PERIPH_SHIFT,
 	.flags		= INVERT_ENABLE,
@@ -1045,7 +1045,6 @@ static struct clk iva2_ck = {
 	.name		= "iva2_ck",
 	.ops		= &clkops_omap2_dflt_wait,
 	.parent		= &dpll2_m2_ck,
-	.init		= &omap2_init_clksel_parent,
 	.enable_reg	= OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, CM_FCLKEN),
 	.enable_bit	= OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_SHIFT,
 	.clkdm_name	= "iva2_clkdm",
@@ -1119,7 +1118,6 @@ static struct clk gfx_l3_ck = {
 	.name		= "gfx_l3_ck",
 	.ops		= &clkops_omap2_dflt_wait,
 	.parent		= &l3_ick,
-	.init		= &omap2_init_clksel_parent,
 	.enable_reg	= OMAP_CM_REGADDR(GFX_MOD, CM_ICLKEN),
 	.enable_bit	= OMAP_EN_GFX_SHIFT,
 	.recalc		= &followparent_recalc,
@@ -1500,6 +1498,7 @@ static struct clk uart2_fck = {
 	.parent		= &core_48m_fck,
 	.enable_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
 	.enable_bit	= OMAP3430_EN_UART2_SHIFT,
+	.clkdm_name	= "core_l4_clkdm",
 	.recalc		= &followparent_recalc,
 };
 
@@ -1509,6 +1508,7 @@ static struct clk uart1_fck = {
 	.parent		= &core_48m_fck,
 	.enable_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
 	.enable_bit	= OMAP3430_EN_UART1_SHIFT,
+	.clkdm_name	= "core_l4_clkdm",
 	.recalc		= &followparent_recalc,
 };
 
@@ -2745,7 +2745,7 @@ static struct clk mcbsp4_ick = {
 };
 
 static const struct clksel mcbsp_234_clksel[] = {
-	{ .parent = &core_96m_fck, .rates = common_mcbsp_96m_rates },
+	{ .parent = &per_96m_fck,  .rates = common_mcbsp_96m_rates },
 	{ .parent = &mcbsp_clks,   .rates = common_mcbsp_mcbsp_rates },
 	{ .parent = NULL }
 };
diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index 2210e227d78a..9d882bcb56e3 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -346,37 +346,37 @@ static struct clk aess_fclk = {
 };
 
 static const struct clksel_rate div31_1to31_rates[] = {
-	{ .div = 1, .val = 0, .flags = RATE_IN_4430 },
-	{ .div = 2, .val = 1, .flags = RATE_IN_4430 },
-	{ .div = 3, .val = 2, .flags = RATE_IN_4430 },
-	{ .div = 4, .val = 3, .flags = RATE_IN_4430 },
-	{ .div = 5, .val = 4, .flags = RATE_IN_4430 },
-	{ .div = 6, .val = 5, .flags = RATE_IN_4430 },
-	{ .div = 7, .val = 6, .flags = RATE_IN_4430 },
-	{ .div = 8, .val = 7, .flags = RATE_IN_4430 },
-	{ .div = 9, .val = 8, .flags = RATE_IN_4430 },
-	{ .div = 10, .val = 9, .flags = RATE_IN_4430 },
-	{ .div = 11, .val = 10, .flags = RATE_IN_4430 },
-	{ .div = 12, .val = 11, .flags = RATE_IN_4430 },
-	{ .div = 13, .val = 12, .flags = RATE_IN_4430 },
-	{ .div = 14, .val = 13, .flags = RATE_IN_4430 },
-	{ .div = 15, .val = 14, .flags = RATE_IN_4430 },
-	{ .div = 16, .val = 15, .flags = RATE_IN_4430 },
-	{ .div = 17, .val = 16, .flags = RATE_IN_4430 },
-	{ .div = 18, .val = 17, .flags = RATE_IN_4430 },
-	{ .div = 19, .val = 18, .flags = RATE_IN_4430 },
-	{ .div = 20, .val = 19, .flags = RATE_IN_4430 },
-	{ .div = 21, .val = 20, .flags = RATE_IN_4430 },
-	{ .div = 22, .val = 21, .flags = RATE_IN_4430 },
-	{ .div = 23, .val = 22, .flags = RATE_IN_4430 },
-	{ .div = 24, .val = 23, .flags = RATE_IN_4430 },
-	{ .div = 25, .val = 24, .flags = RATE_IN_4430 },
-	{ .div = 26, .val = 25, .flags = RATE_IN_4430 },
-	{ .div = 27, .val = 26, .flags = RATE_IN_4430 },
-	{ .div = 28, .val = 27, .flags = RATE_IN_4430 },
-	{ .div = 29, .val = 28, .flags = RATE_IN_4430 },
-	{ .div = 30, .val = 29, .flags = RATE_IN_4430 },
-	{ .div = 31, .val = 30, .flags = RATE_IN_4430 },
+	{ .div = 1, .val = 1, .flags = RATE_IN_4430 },
+	{ .div = 2, .val = 2, .flags = RATE_IN_4430 },
+	{ .div = 3, .val = 3, .flags = RATE_IN_4430 },
+	{ .div = 4, .val = 4, .flags = RATE_IN_4430 },
+	{ .div = 5, .val = 5, .flags = RATE_IN_4430 },
+	{ .div = 6, .val = 6, .flags = RATE_IN_4430 },
+	{ .div = 7, .val = 7, .flags = RATE_IN_4430 },
+	{ .div = 8, .val = 8, .flags = RATE_IN_4430 },
+	{ .div = 9, .val = 9, .flags = RATE_IN_4430 },
+	{ .div = 10, .val = 10, .flags = RATE_IN_4430 },
+	{ .div = 11, .val = 11, .flags = RATE_IN_4430 },
+	{ .div = 12, .val = 12, .flags = RATE_IN_4430 },
+	{ .div = 13, .val = 13, .flags = RATE_IN_4430 },
+	{ .div = 14, .val = 14, .flags = RATE_IN_4430 },
+	{ .div = 15, .val = 15, .flags = RATE_IN_4430 },
+	{ .div = 16, .val = 16, .flags = RATE_IN_4430 },
+	{ .div = 17, .val = 17, .flags = RATE_IN_4430 },
+	{ .div = 18, .val = 18, .flags = RATE_IN_4430 },
+	{ .div = 19, .val = 19, .flags = RATE_IN_4430 },
+	{ .div = 20, .val = 20, .flags = RATE_IN_4430 },
+	{ .div = 21, .val = 21, .flags = RATE_IN_4430 },
+	{ .div = 22, .val = 22, .flags = RATE_IN_4430 },
+	{ .div = 23, .val = 23, .flags = RATE_IN_4430 },
+	{ .div = 24, .val = 24, .flags = RATE_IN_4430 },
+	{ .div = 25, .val = 25, .flags = RATE_IN_4430 },
+	{ .div = 26, .val = 26, .flags = RATE_IN_4430 },
+	{ .div = 27, .val = 27, .flags = RATE_IN_4430 },
+	{ .div = 28, .val = 28, .flags = RATE_IN_4430 },
+	{ .div = 29, .val = 29, .flags = RATE_IN_4430 },
+	{ .div = 30, .val = 30, .flags = RATE_IN_4430 },
+	{ .div = 31, .val = 31, .flags = RATE_IN_4430 },
 	{ .div = 0 },
 };
 
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 1a45ed1e8ba1..dd285f001467 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -559,7 +559,7 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
 	 * downstream clocks for debugging purposes?
 	 */
 
-	if (!clkdm || !clk)
+	if (!clkdm || !clk || !clkdm->clktrctrl_mask)
 		return -EINVAL;
 
 	if (atomic_inc_return(&clkdm->usecount) > 1)
@@ -610,7 +610,7 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
 	 * downstream clocks for debugging purposes?
 	 */
 
-	if (!clkdm || !clk)
+	if (!clkdm || !clk || !clkdm->clktrctrl_mask)
 		return -EINVAL;
 
 #ifdef DEBUG
diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c
index a26d6a08ae3f..12f0cbfc2894 100644
--- a/arch/arm/mach-omap2/cpuidle34xx.c
+++ b/arch/arm/mach-omap2/cpuidle34xx.c
@@ -137,7 +137,7 @@ return_sleep_time:
 	local_irq_enable();
 	local_fiq_enable();
 
-	return (u32)timespec_to_ns(&ts_idle)/1000;
+	return ts_idle.tv_nsec / NSEC_PER_USEC + ts_idle.tv_sec * USEC_PER_SEC;
 }
 
 /**
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index bd8cb5974726..7027cdc1ba49 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -505,7 +505,7 @@ static void __init gpmc_mem_init(void)
 void __init gpmc_init(void)
 {
 	u32 l;
-	char *ck;
+	char *ck = NULL;
 
 	if (cpu_is_omap24xx()) {
 		ck = "core_l3_ck";
@@ -521,6 +521,9 @@ void __init gpmc_init(void)
 		l = OMAP44XX_GPMC_BASE;
 	}
 
+	if (WARN_ON(!ck))
+		return;
+
 	gpmc_l3_clk = clk_get(NULL, ck);
 	if (IS_ERR(gpmc_l3_clk)) {
 		printk(KERN_ERR "Could not get GPMC clock %s\n", ck);
@@ -534,6 +537,8 @@ void __init gpmc_init(void)
 		BUG();
 	}
 
+	clk_enable(gpmc_l3_clk);
+
 	l = gpmc_read_reg(GPMC_REVISION);
 	printk(KERN_INFO "GPMC revision %d.%d\n", (l >> 4) & 0x0f, l & 0x0f);
 	/* Set smart idle mode and automatic L3 clock gating */
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index a091b53657b9..3d65c50bd017 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -188,6 +188,8 @@ void __init omap3_check_revision(void)
 	u16 hawkeye;
 	u8 rev;
 
+	omap_chip.oc = CHIP_IS_OMAP3430;
+
 	/*
 	 * We cannot access revision registers on ES1.0.
 	 * If the processor type is Cortex-A8 and the revision is 0x0
@@ -196,6 +198,7 @@ void __init omap3_check_revision(void)
 	cpuid = read_cpuid(CPUID_ID);
 	if ((((cpuid >> 4) & 0xfff) == 0xc08) && ((cpuid & 0xf) == 0x0)) {
 		omap_revision = OMAP3430_REV_ES1_0;
+		omap_chip.oc |= CHIP_IS_OMAP3430ES1;
 		return;
 	}
 
@@ -216,18 +219,28 @@ void __init omap3_check_revision(void)
 		case 0: /* Take care of early samples */
 		case 1:
 			omap_revision = OMAP3430_REV_ES2_0;
+			omap_chip.oc |= CHIP_IS_OMAP3430ES2;
 			break;
 		case 2:
 			omap_revision = OMAP3430_REV_ES2_1;
+			omap_chip.oc |= CHIP_IS_OMAP3430ES2;
 			break;
 		case 3:
 			omap_revision = OMAP3430_REV_ES3_0;
+			omap_chip.oc |= CHIP_IS_OMAP3430ES3_0;
 			break;
 		case 4:
+			omap_revision = OMAP3430_REV_ES3_1;
+			omap_chip.oc |= CHIP_IS_OMAP3430ES3_1;
+			break;
+		case 7:
 		/* FALLTHROUGH */
 		default:
 			/* Use the latest known revision as default */
-			omap_revision = OMAP3430_REV_ES3_1;
+			omap_revision = OMAP3430_REV_ES3_1_2;
+
+			/* REVISIT: Add CHIP_IS_OMAP3430ES3_1_2? */
+			omap_chip.oc |= CHIP_IS_OMAP3430ES3_1;
 		}
 		break;
 	case 0xb868:
@@ -235,14 +248,18 @@ void __init omap3_check_revision(void)
 		 *
 		 * Set the device to be OMAP3505 here. Actual device
 		 * is identified later based on the features.
+		 *
+		 * REVISIT: AM3505/AM3517 should have their own CHIP_IS
 		 */
 		omap_revision = OMAP3505_REV(rev);
+		omap_chip.oc |= CHIP_IS_OMAP3430ES3_1;
 		break;
 	case 0xb891:
 	/* FALLTHROUGH */
 	default:
 		/* Unknown default to latest silicon rev as default*/
 		omap_revision = OMAP3630_REV_ES1_0;
+		omap_chip.oc |= CHIP_IS_OMAP3630ES1;
 	}
 }
 
@@ -360,6 +377,7 @@ void __init omap2_check_revision(void)
 		omap3_check_revision();
 		omap3_check_features();
 		omap3_cpuinfo();
+		return;
 	} else if (cpu_is_omap44xx()) {
 		omap4_check_revision();
 		return;
@@ -374,27 +392,14 @@ void __init omap2_check_revision(void)
 	if (cpu_is_omap243x()) {
 		/* Currently only supports 2430ES2.1 and 2430-all */
 		omap_chip.oc |= CHIP_IS_OMAP2430;
+		return;
 	} else if (cpu_is_omap242x()) {
 		/* Currently only supports 2420ES2.1.1 and 2420-all */
 		omap_chip.oc |= CHIP_IS_OMAP2420;
-	} else if (cpu_is_omap3505() || cpu_is_omap3517()) {
-		omap_chip.oc = CHIP_IS_OMAP3430 | CHIP_IS_OMAP3430ES3_1;
-	} else if (cpu_is_omap343x()) {
-		omap_chip.oc = CHIP_IS_OMAP3430;
-		if (omap_rev() == OMAP3430_REV_ES1_0)
-			omap_chip.oc |= CHIP_IS_OMAP3430ES1;
-		else if (omap_rev() >= OMAP3430_REV_ES2_0 &&
-			 omap_rev() <= OMAP3430_REV_ES2_1)
-			omap_chip.oc |= CHIP_IS_OMAP3430ES2;
-		else if (omap_rev() == OMAP3430_REV_ES3_0)
-			omap_chip.oc |= CHIP_IS_OMAP3430ES3_0;
-		else if (omap_rev() == OMAP3430_REV_ES3_1)
-			omap_chip.oc |= CHIP_IS_OMAP3430ES3_1;
-		else if (omap_rev() == OMAP3630_REV_ES1_0)
-			omap_chip.oc |= CHIP_IS_OMAP3630ES1;
-	} else {
-		pr_err("Uninitialized omap_chip, please fix!\n");
+		return;
 	}
+
+	pr_err("Uninitialized omap_chip, please fix!\n");
 }
 
 /*
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index a8749e8017b9..5a7996402c53 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -33,7 +33,6 @@
 #include <plat/sdrc.h>
 #include <plat/gpmc.h>
 #include <plat/serial.h>
-#include <plat/mux.h>
 #include <plat/vram.h>
 
 #include "clock.h"
@@ -73,21 +72,21 @@ static struct map_desc omap24xx_io_desc[] __initdata = {
 #ifdef CONFIG_ARCH_OMAP2420
 static struct map_desc omap242x_io_desc[] __initdata = {
 	{
-		.virtual	= DSP_MEM_24XX_VIRT,
-		.pfn		= __phys_to_pfn(DSP_MEM_24XX_PHYS),
-		.length		= DSP_MEM_24XX_SIZE,
+		.virtual	= DSP_MEM_2420_VIRT,
+		.pfn		= __phys_to_pfn(DSP_MEM_2420_PHYS),
+		.length		= DSP_MEM_2420_SIZE,
 		.type		= MT_DEVICE
 	},
 	{
-		.virtual	= DSP_IPI_24XX_VIRT,
-		.pfn		= __phys_to_pfn(DSP_IPI_24XX_PHYS),
-		.length		= DSP_IPI_24XX_SIZE,
+		.virtual	= DSP_IPI_2420_VIRT,
+		.pfn		= __phys_to_pfn(DSP_IPI_2420_PHYS),
+		.length		= DSP_IPI_2420_SIZE,
 		.type		= MT_DEVICE
 	},
 	{
-		.virtual	= DSP_MMU_24XX_VIRT,
-		.pfn		= __phys_to_pfn(DSP_MMU_24XX_PHYS),
-		.length		= DSP_MMU_24XX_SIZE,
+		.virtual	= DSP_MMU_2420_VIRT,
+		.pfn		= __phys_to_pfn(DSP_MMU_2420_PHYS),
+		.length		= DSP_MMU_2420_SIZE,
 		.type		= MT_DEVICE
 	},
 };
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index e9bc782fa414..26aeef560aa3 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -194,7 +194,7 @@ void __init omap_init_irq(void)
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(irq_banks); i++) {
-		unsigned long base;
+		unsigned long base = 0;
 		struct omap_irq_bank *bank = irq_banks + i;
 
 		if (cpu_is_omap24xx())
@@ -202,6 +202,8 @@ void __init omap_init_irq(void)
 		else if (cpu_is_omap34xx())
 			base = OMAP34XX_IC_BASE;
 
+		BUG_ON(!base);
+
 		/* Static mapping, never released */
 		bank->base_reg = ioremap(base, SZ_4K);
 		if (!bank->base_reg) {
@@ -274,4 +276,22 @@ void omap_intc_restore_context(void)
 	}
 	/* MIRs are saved and restore with other PRCM registers */
 }
+
+void omap3_intc_suspend(void)
+{
+	/* A pending interrupt would prevent OMAP from entering suspend */
+	omap_ack_irq(0);
+}
+
+void omap3_intc_prepare_idle(void)
+{
+	/* Disable autoidle as it can stall interrupt controller */
+	intc_bank_write_reg(0, &irq_banks[0], INTC_SYSCONFIG);
+}
+
+void omap3_intc_resume_idle(void)
+{
+	/* Re-enable autoidle */
+	intc_bank_write_reg(1, &irq_banks[0], INTC_SYSCONFIG);
+}
 #endif /* CONFIG_ARCH_OMAP3 */
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index e071b3fd1878..5fedc50c58e4 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -51,7 +51,7 @@ struct omap_mux_entry {
 static unsigned long mux_phys;
 static void __iomem *mux_base;
 
-static inline u16 omap_mux_read(u16 reg)
+u16 omap_mux_read(u16 reg)
 {
 	if (cpu_is_omap24xx())
 		return __raw_readb(mux_base + reg);
@@ -59,7 +59,7 @@ static inline u16 omap_mux_read(u16 reg)
 		return __raw_readw(mux_base + reg);
 }
 
-static inline void omap_mux_write(u16 val, u16 reg)
+void omap_mux_write(u16 val, u16 reg)
 {
 	if (cpu_is_omap24xx())
 		__raw_writeb(val, mux_base + reg);
@@ -67,6 +67,14 @@ static inline void omap_mux_write(u16 val, u16 reg)
 		__raw_writew(val, mux_base + reg);
 }
 
+void omap_mux_write_array(struct omap_board_mux *board_mux)
+{
+	while (board_mux->reg_offset !=  OMAP_MUX_TERMINATOR) {
+		omap_mux_write(board_mux->value, board_mux->reg_offset);
+		board_mux++;
+	}
+}
+
 #if defined(CONFIG_ARCH_OMAP24XX) && defined(CONFIG_OMAP_MUX)
 
 static struct omap_mux_cfg arch_mux_cfg;
@@ -478,7 +486,7 @@ int __init omap_mux_init_signal(char *muxname, int val)
 static inline void omap_mux_decode(struct seq_file *s, u16 val)
 {
 	char *flags[OMAP_MUX_MAX_NR_FLAGS];
-	char mode[14];
+	char mode[sizeof("OMAP_MUX_MODE") + 1];
 	int i = -1;
 
 	sprintf(mode, "OMAP_MUX_MODE%d", val & 0x7);
@@ -545,6 +553,7 @@ static int omap_mux_dbg_board_show(struct seq_file *s, void *unused)
 		if (!m0_name)
 			continue;
 
+		/* REVISIT: Needs to be updated if mode0 names get longer */
 		for (i = 0; i < OMAP_MUX_DEFNAME_LEN; i++) {
 			if (m0_name[i] == '\0') {
 				m0_def[i] = m0_name[i];
@@ -833,14 +842,6 @@ static void __init omap_mux_set_cmdline_signals(void)
 	kfree(options);
 }
 
-static void __init omap_mux_set_board_signals(struct omap_board_mux *board_mux)
-{
-	while (board_mux->reg_offset !=  OMAP_MUX_TERMINATOR) {
-		omap_mux_write(board_mux->value, board_mux->reg_offset);
-		board_mux++;
-	}
-}
-
 static int __init omap_mux_copy_names(struct omap_mux *src,
 					struct omap_mux *dst)
 {
@@ -968,6 +969,13 @@ static void __init omap_mux_init_list(struct omap_mux *superset)
 		}
 #endif
 
+#if defined(CONFIG_OMAP_MUX) && defined(CONFIG_DEBUG_FS)
+		if (!superset->muxnames || !superset->muxnames[0]) {
+			superset++;
+			continue;
+		}
+#endif
+
 		entry = omap_mux_list_add(superset);
 		if (!entry) {
 			printk(KERN_ERR "mux: Could not add entry\n");
@@ -994,14 +1002,19 @@ int __init omap_mux_init(u32 mux_pbase, u32 mux_size,
 	}
 
 #ifdef CONFIG_OMAP_MUX
-	omap_mux_package_fixup(package_subset, superset);
-	omap_mux_package_init_balls(package_balls, superset);
-	omap_mux_set_cmdline_signals();
-	omap_mux_set_board_signals(board_mux);
+	if (package_subset)
+		omap_mux_package_fixup(package_subset, superset);
+	if (package_balls)
+		omap_mux_package_init_balls(package_balls, superset);
 #endif
 
 	omap_mux_init_list(superset);
 
+#ifdef CONFIG_OMAP_MUX
+	omap_mux_set_cmdline_signals();
+	omap_mux_write_array(board_mux);
+#endif
+
 	return 0;
 }
 
diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h
index d8b4d5ad2278..f8c2e7a8f063 100644
--- a/arch/arm/mach-omap2/mux.h
+++ b/arch/arm/mach-omap2/mux.h
@@ -147,6 +147,30 @@ u16 omap_mux_get_gpio(int gpio);
 void omap_mux_set_gpio(u16 val, int gpio);
 
 /**
+ * omap_mux_read() - read mux register
+ * @mux_offset:		Offset of the mux register
+ *
+ */
+u16 omap_mux_read(u16 mux_offset);
+
+/**
+ * omap_mux_write() - write mux register
+ * @val:		New mux register value
+ * @mux_offset:		Offset of the mux register
+ *
+ * This should be only needed for dynamic remuxing of non-gpio signals.
+ */
+void omap_mux_write(u16 val, u16 mux_offset);
+
+/**
+ * omap_mux_write_array() - write an array of mux registers
+ * @board_mux:		Array of mux registers terminated by MAP_MUX_TERMINATOR
+ *
+ * This should be only needed for dynamic remuxing of non-gpio signals.
+ */
+void omap_mux_write_array(struct omap_board_mux *board_mux);
+
+/**
  * omap3_mux_init() - initialize mux system with board specific set
  * @board_mux:		Board specific mux table
  * @flags:		OMAP package type used for the board
diff --git a/arch/arm/mach-omap2/mux34xx.c b/arch/arm/mach-omap2/mux34xx.c
index 68e0a595f9a1..07aa7b3c95f7 100644
--- a/arch/arm/mach-omap2/mux34xx.c
+++ b/arch/arm/mach-omap2/mux34xx.c
@@ -649,6 +649,53 @@ static struct omap_mux __initdata omap3_muxmodes[] = {
 	_OMAP3_MUXENTRY(UART3_TX_IRTX, 166,
 		"uart3_tx_irtx", NULL, NULL, NULL,
 		"gpio_166", NULL, NULL, "safe_mode"),
+
+	/* Only on 3630, see omap36xx_cbp_subset for the signals */
+	_OMAP3_MUXENTRY(GPMC_A11, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
+	_OMAP3_MUXENTRY(SAD2D_MBUSFLAG, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
+	_OMAP3_MUXENTRY(SAD2D_MREAD, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
+	_OMAP3_MUXENTRY(SAD2D_MWRITE, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
+	_OMAP3_MUXENTRY(SAD2D_SBUSFLAG, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
+	_OMAP3_MUXENTRY(SAD2D_SREAD, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
+	_OMAP3_MUXENTRY(SAD2D_SWRITE, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
+	_OMAP3_MUXENTRY(GPMC_A11, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
+	_OMAP3_MUXENTRY(SAD2D_MCAD28, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
+	_OMAP3_MUXENTRY(SAD2D_MCAD29, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
+	_OMAP3_MUXENTRY(SAD2D_MCAD32, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
+	_OMAP3_MUXENTRY(SAD2D_MCAD33, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
+	_OMAP3_MUXENTRY(SAD2D_MCAD34, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
+	_OMAP3_MUXENTRY(SAD2D_MCAD35, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
+	_OMAP3_MUXENTRY(SAD2D_MCAD36, 0,
+		NULL, NULL, NULL, NULL,
+		NULL, NULL, NULL, NULL),
 	{ .reg_offset = OMAP_MUX_TERMINATOR },
 };
 
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index d8c8545875b1..478ae585ca39 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -94,7 +94,8 @@ static int _update_sysc_cache(struct omap_hwmod *oh)
 
 	oh->_sysc_cache = omap_hwmod_readl(oh, oh->sysconfig->sysc_offs);
 
-	oh->_int_flags |= _HWMOD_SYSCONFIG_LOADED;
+	if (!(oh->sysconfig->sysc_flags & SYSC_NO_CACHE))
+		oh->_int_flags |= _HWMOD_SYSCONFIG_LOADED;
 
 	return 0;
 }
diff --git a/arch/arm/mach-omap2/opp2420_data.c b/arch/arm/mach-omap2/opp2420_data.c
index 126a9396b3a8..e6dda694fd5c 100644
--- a/arch/arm/mach-omap2/opp2420_data.c
+++ b/arch/arm/mach-omap2/opp2420_data.c
@@ -9,45 +9,47 @@
  * The OMAP2 processor can be run at several discrete 'PRCM configurations'.
  * These configurations are characterized by voltage and speed for clocks.
  * The device is only validated for certain combinations. One way to express
- * these combinations is via the 'ratio's' which the clocks operate with
+ * these combinations is via the 'ratios' which the clocks operate with
  * respect to each other. These ratio sets are for a given voltage/DPLL
- * setting. All configurations can be described by a DPLL setting and a ratio
- * There are 3 ratio sets for the 2430 and X ratio sets for 2420.
- *
- * 2430 differs from 2420 in that there are no more phase synchronizers used.
- * They both have a slightly different clock domain setup. 2420(iva1,dsp) vs
- * 2430 (iva2.1, NOdsp, mdm)
+ * setting. All configurations can be described by a DPLL setting and a ratio.
  *
  * XXX Missing voltage data.
+ * XXX Missing 19.2MHz sys_clk rate sets (needed for N800/N810)
  *
  * THe format described in this file is deprecated.  Once a reasonable
  * OPP API exists, the data in this file should be converted to use it.
  *
  * This is technically part of the OMAP2xxx clock code.
+ *
+ * Considerable work is still needed to fully support dynamic frequency
+ * changes on OMAP2xxx-series chips.  Readers interested in such a
+ * project are encouraged to review the Maemo Diablo RX-34 and RX-44
+ * kernel source at:
+ *     http://repository.maemo.org/pool/diablo/free/k/kernel-source-diablo/
  */
 
 #include "opp2xxx.h"
 #include "sdrc.h"
 #include "clock.h"
 
-/*-------------------------------------------------------------------------
- * Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated.
+/*
+ * Key dividers which make up a PRCM set. Ratios for a PRCM are mandated.
  * xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU,
  * CM_CLKSEL_DSP, CM_CLKSEL_GFX, CM_CLKSEL1_CORE, CM_CLKSEL1_PLL,
  * CM_CLKSEL2_PLL, CM_CLKSEL_MDM
  *
- * Filling in table based on H4 boards and 2430-SDPs variants available.
- * There are quite a few more rates combinations which could be defined.
+ * Filling in table based on H4 boards available.  There are quite a
+ * few more rate combinations which could be defined.
  *
- * When multiple values are defined the start up will try and choose the
- * fastest one. If a 'fast' value is defined, then automatically, the /2
- * one should be included as it can be used.	Generally having more that
- * one fast set does not make sense, as static timings need to be changed
- * to change the set.	 The exception is the bypass setting which is
- * availble for low power bypass.
+ * When multiple values are defined the start up will try and choose
+ * the fastest one. If a 'fast' value is defined, then automatically,
+ * the /2 one should be included as it can be used.  Generally having
+ * more than one fast set does not make sense, as static timings need
+ * to be changed to change the set.  The exception is the bypass
+ * setting which is available for low power bypass.
  *
  * Note: This table needs to be sorted, fastest to slowest.
- *-------------------------------------------------------------------------*/
+ **/
 const struct prcm_config omap2420_rate_table[] = {
 	/* PRCM I - FAST */
 	{S12M, S660M, S330M, RI_CM_CLKSEL_MPU_VAL,		/* 330MHz ARM */
diff --git a/arch/arm/mach-omap2/opp2430_data.c b/arch/arm/mach-omap2/opp2430_data.c
index edb81672c844..1b9596ae201e 100644
--- a/arch/arm/mach-omap2/opp2430_data.c
+++ b/arch/arm/mach-omap2/opp2430_data.c
@@ -1,5 +1,5 @@
 /*
- * opp2420_data.c - old-style "OPP" table for OMAP2420
+ * opp2430_data.c - old-style "OPP" table for OMAP2430
  *
  * Copyright (C) 2005-2009 Texas Instruments, Inc.
  * Copyright (C) 2004-2009 Nokia Corporation
@@ -9,16 +9,16 @@
  * The OMAP2 processor can be run at several discrete 'PRCM configurations'.
  * These configurations are characterized by voltage and speed for clocks.
  * The device is only validated for certain combinations. One way to express
- * these combinations is via the 'ratio's' which the clocks operate with
+ * these combinations is via the 'ratios' which the clocks operate with
  * respect to each other. These ratio sets are for a given voltage/DPLL
- * setting. All configurations can be described by a DPLL setting and a ratio
- * There are 3 ratio sets for the 2430 and X ratio sets for 2420.
+ * setting. All configurations can be described by a DPLL setting and a ratio.
  *
  * 2430 differs from 2420 in that there are no more phase synchronizers used.
  * They both have a slightly different clock domain setup. 2420(iva1,dsp) vs
  * 2430 (iva2.1, NOdsp, mdm)
  *
  * XXX Missing voltage data.
+ * XXX Missing 19.2MHz sys_clk rate sets.
  *
  * THe format described in this file is deprecated.  Once a reasonable
  * OPP API exists, the data in this file should be converted to use it.
@@ -30,24 +30,24 @@
 #include "sdrc.h"
 #include "clock.h"
 
-/*-------------------------------------------------------------------------
- * Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated.
+/*
+ * Key dividers which make up a PRCM set. Ratios for a PRCM are mandated.
  * xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU,
  * CM_CLKSEL_DSP, CM_CLKSEL_GFX, CM_CLKSEL1_CORE, CM_CLKSEL1_PLL,
  * CM_CLKSEL2_PLL, CM_CLKSEL_MDM
  *
- * Filling in table based on H4 boards and 2430-SDPs variants available.
- * There are quite a few more rates combinations which could be defined.
+ * Filling in table based on 2430-SDPs variants available.  There are
+ * quite a few more rate combinations which could be defined.
  *
- * When multiple values are defined the start up will try and choose the
- * fastest one. If a 'fast' value is defined, then automatically, the /2
- * one should be included as it can be used.	Generally having more that
- * one fast set does not make sense, as static timings need to be changed
- * to change the set.	 The exception is the bypass setting which is
- * availble for low power bypass.
+ * When multiple values are defined the start up will try and choose
+ * the fastest one. If a 'fast' value is defined, then automatically,
+ * the /2 one should be included as it can be used.  Generally having
+ * more than one fast set does not make sense, as static timings need
+ * to be changed to change the set.  The exception is the bypass
+ * setting which is available for low power bypass.
  *
  * Note: This table needs to be sorted, fastest to slowest.
- *-------------------------------------------------------------------------*/
+ */
 const struct prcm_config omap2430_rate_table[] = {
 	/* PRCM #4 - ratio2 (ES2.1) - FAST */
 	{S13M, S798M, S399M, R2_CM_CLKSEL_MPU_VAL,		/* 399MHz ARM */
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index 860b755d2220..a0866268aa41 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -54,8 +54,6 @@ int omap2_pm_debug;
 	regs[reg_count++].val = \
 			 __raw_readl(OMAP2_L4_IO_ADDRESS(0x480fe000 + (off)))
 
-static int __init pm_dbg_init(void);
-
 void omap2_pm_dump(int mode, int resume, unsigned int us)
 {
 	struct reg {
@@ -167,6 +165,8 @@ struct dentry *pm_dbg_dir;
 
 static int pm_dbg_init_done;
 
+static int __init pm_dbg_init(void);
+
 enum {
 	DEBUG_FILE_COUNTERS = 0,
 	DEBUG_FILE_TIMERS,
@@ -488,9 +488,11 @@ int pm_dbg_regset_init(int reg_set)
 
 static int pwrdm_suspend_get(void *data, u64 *val)
 {
-	*val = omap3_pm_get_suspend_state((struct powerdomain *)data);
+	int ret;
+	ret = omap3_pm_get_suspend_state((struct powerdomain *)data);
+	*val = ret;
 
-	if (*val >= 0)
+	if (ret >= 0)
 		return 0;
 	return *val;
 }
@@ -604,6 +606,4 @@ static int __init pm_dbg_init(void)
 }
 arch_initcall(pm_dbg_init);
 
-#else
-void pm_dbg_update_time(struct powerdomain *pwrdm, int prev) {}
 #endif
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h
index 0bf345db7147..7a9c2d004511 100644
--- a/arch/arm/mach-omap2/pm.h
+++ b/arch/arm/mach-omap2/pm.h
@@ -32,12 +32,16 @@ extern struct omap_dm_timer *gptimer_wakeup;
 #ifdef CONFIG_PM_DEBUG
 extern void omap2_pm_dump(int mode, int resume, unsigned int us);
 extern int omap2_pm_debug;
+#else
+#define omap2_pm_dump(mode, resume, us)		do {} while (0);
+#define omap2_pm_debug				0
+#endif
+
+#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
 extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
 extern int pm_dbg_regset_save(int reg_set);
 extern int pm_dbg_regset_init(int reg_set);
 #else
-#define omap2_pm_dump(mode, resume, us)		do {} while (0);
-#define omap2_pm_debug				0
 #define pm_dbg_update_time(pwrdm, prev) do {} while (0);
 #define pm_dbg_regset_save(reg_set) do {} while (0);
 #define pm_dbg_regset_init(reg_set) do {} while (0);
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 81ed252a0f8a..910a7acf542d 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -26,6 +26,7 @@
 #include <linux/err.h>
 #include <linux/gpio.h>
 #include <linux/clk.h>
+#include <linux/delay.h>
 
 #include <plat/sram.h>
 #include <plat/clockdomain.h>
@@ -124,9 +125,17 @@ static void omap3_core_save_context(void)
 	control_padconf_off |= START_PADCONF_SAVE;
 	omap_ctrl_writel(control_padconf_off, OMAP343X_CONTROL_PADCONF_OFF);
 	/* wait for the save to complete */
-	while (!omap_ctrl_readl(OMAP343X_CONTROL_GENERAL_PURPOSE_STATUS)
-			& PADCONF_SAVE_DONE)
-		;
+	while (!(omap_ctrl_readl(OMAP343X_CONTROL_GENERAL_PURPOSE_STATUS)
+			& PADCONF_SAVE_DONE))
+		udelay(1);
+
+	/*
+	 * Force write last pad into memory, as this can fail in some
+	 * cases according to erratas 1.157, 1.185
+	 */
+	omap_ctrl_writel(omap_ctrl_readl(OMAP343X_PADCONF_ETK_D14),
+		OMAP343X_CONTROL_MEM_WKUP + 0x2a0);
+
 	/* Save the Interrupt controller context */
 	omap_intc_save_context();
 	/* Save the GPMC context */
@@ -392,6 +401,7 @@ void omap_sram_idle(void)
 		prm_set_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN);
 		omap3_enable_io_chain();
 	}
+	omap3_intc_prepare_idle();
 
 	/*
 	* On EMU/HS devices ROM code restores a SRDC value
@@ -438,6 +448,7 @@ void omap_sram_idle(void)
 					       OMAP3430_GR_MOD,
 					       OMAP3_PRM_VOLTCTRL_OFFSET);
 	}
+	omap3_intc_resume_idle();
 
 	/* PER */
 	if (per_next_state < PWRDM_POWER_ON) {
@@ -578,6 +589,8 @@ static int omap3_pm_suspend(void)
 	}
 
 	omap_uart_prepare_suspend();
+	omap3_intc_suspend();
+
 	omap_sram_idle();
 
 restore:
@@ -835,6 +848,8 @@ static void __init prcm_setup_regs(void)
 			CM_AUTOIDLE);
 	}
 
+	omap_ctrl_writel(OMAP3430_AUTOIDLE, OMAP2_CONTROL_SYSCONFIG);
+
 	/*
 	 * Set all plls to autoidle. This is needed until autoidle is
 	 * enabled by clockfw
@@ -875,15 +890,23 @@ static void __init prcm_setup_regs(void)
 	prm_write_mod_reg(OMAP3430_IO_EN | OMAP3430_WKUP_EN,
 			  OCP_MOD, OMAP3_PRM_IRQENABLE_MPU_OFFSET);
 
+	/* Enable PM_WKEN to support DSS LPR */
+	prm_write_mod_reg(OMAP3430_PM_WKEN_DSS_EN_DSS,
+				OMAP3430_DSS_MOD, PM_WKEN);
+
 	/* Enable wakeups in PER */
 	prm_write_mod_reg(OMAP3430_EN_GPIO2 | OMAP3430_EN_GPIO3 |
 			  OMAP3430_EN_GPIO4 | OMAP3430_EN_GPIO5 |
-			  OMAP3430_EN_GPIO6 | OMAP3430_EN_UART3,
+			  OMAP3430_EN_GPIO6 | OMAP3430_EN_UART3 |
+			  OMAP3430_EN_MCBSP2 | OMAP3430_EN_MCBSP3 |
+			  OMAP3430_EN_MCBSP4,
 			  OMAP3430_PER_MOD, PM_WKEN);
 	/* and allow them to wake up MPU */
 	prm_write_mod_reg(OMAP3430_GRPSEL_GPIO2 | OMAP3430_EN_GPIO3 |
 			  OMAP3430_GRPSEL_GPIO4 | OMAP3430_EN_GPIO5 |
-			  OMAP3430_GRPSEL_GPIO6 | OMAP3430_EN_UART3,
+			  OMAP3430_GRPSEL_GPIO6 | OMAP3430_EN_UART3 |
+			  OMAP3430_EN_MCBSP2 | OMAP3430_EN_MCBSP3 |
+			  OMAP3430_EN_MCBSP4,
 			  OMAP3430_PER_MOD, OMAP3430_PM_MPUGRPSEL);
 
 	/* Don't attach IVA interrupts */
@@ -904,24 +927,6 @@ static void __init prcm_setup_regs(void)
 	/* Clear any pending PRCM interrupts */
 	prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
 
-	/* Don't attach IVA interrupts */
-	prm_write_mod_reg(0, WKUP_MOD, OMAP3430_PM_IVAGRPSEL);
-	prm_write_mod_reg(0, CORE_MOD, OMAP3430_PM_IVAGRPSEL1);
-	prm_write_mod_reg(0, CORE_MOD, OMAP3430ES2_PM_IVAGRPSEL3);
-	prm_write_mod_reg(0, OMAP3430_PER_MOD, OMAP3430_PM_IVAGRPSEL);
-
-	/* Clear any pending 'reset' flags */
-	prm_write_mod_reg(0xffffffff, MPU_MOD, RM_RSTST);
-	prm_write_mod_reg(0xffffffff, CORE_MOD, RM_RSTST);
-	prm_write_mod_reg(0xffffffff, OMAP3430_PER_MOD, RM_RSTST);
-	prm_write_mod_reg(0xffffffff, OMAP3430_EMU_MOD, RM_RSTST);
-	prm_write_mod_reg(0xffffffff, OMAP3430_NEON_MOD, RM_RSTST);
-	prm_write_mod_reg(0xffffffff, OMAP3430_DSS_MOD, RM_RSTST);
-	prm_write_mod_reg(0xffffffff, OMAP3430ES2_USBHOST_MOD, RM_RSTST);
-
-	/* Clear any pending PRCM interrupts */
-	prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
-
 	omap3_iva_idle();
 	omap3_d2d_idle();
 }
diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
index 3ea8177ffb25..cf466ea1dffc 100644
--- a/arch/arm/mach-omap2/prcm.c
+++ b/arch/arm/mach-omap2/prcm.c
@@ -44,7 +44,6 @@ struct omap3_prcm_regs {
 	u32 iva2_cm_clksel2;
 	u32 cm_sysconfig;
 	u32 sgx_cm_clksel;
-	u32 wkup_cm_clksel;
 	u32 dss_cm_clksel;
 	u32 cam_cm_clksel;
 	u32 per_cm_clksel;
@@ -53,7 +52,6 @@ struct omap3_prcm_regs {
 	u32 pll_cm_autoidle2;
 	u32 pll_cm_clksel4;
 	u32 pll_cm_clksel5;
-	u32 pll_cm_clken;
 	u32 pll_cm_clken2;
 	u32 cm_polctrl;
 	u32 iva2_cm_fclken;
@@ -77,7 +75,6 @@ struct omap3_prcm_regs {
 	u32 usbhost_cm_iclken;
 	u32 iva2_cm_autiidle2;
 	u32 mpu_cm_autoidle2;
-	u32 pll_cm_autoidle;
 	u32 iva2_cm_clkstctrl;
 	u32 mpu_cm_clkstctrl;
 	u32 core_cm_clkstctrl;
@@ -274,7 +271,6 @@ void omap3_prcm_save_context(void)
 	prcm_context.cm_sysconfig = __raw_readl(OMAP3430_CM_SYSCONFIG);
 	prcm_context.sgx_cm_clksel =
 			 cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_CLKSEL);
-	prcm_context.wkup_cm_clksel = cm_read_mod_reg(WKUP_MOD, CM_CLKSEL);
 	prcm_context.dss_cm_clksel =
 			 cm_read_mod_reg(OMAP3430_DSS_MOD, CM_CLKSEL);
 	prcm_context.cam_cm_clksel =
@@ -291,8 +287,6 @@ void omap3_prcm_save_context(void)
 			cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL4);
 	prcm_context.pll_cm_clksel5 =
 			 cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL5);
-	prcm_context.pll_cm_clken =
-			cm_read_mod_reg(PLL_MOD, CM_CLKEN);
 	prcm_context.pll_cm_clken2 =
 			cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKEN2);
 	prcm_context.cm_polctrl = __raw_readl(OMAP3430_CM_POLCTRL);
@@ -338,8 +332,6 @@ void omap3_prcm_save_context(void)
 			 cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_AUTOIDLE2);
 	prcm_context.mpu_cm_autoidle2 =
 			 cm_read_mod_reg(MPU_MOD, CM_AUTOIDLE2);
-	prcm_context.pll_cm_autoidle =
-			 cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE);
 	prcm_context.iva2_cm_clkstctrl =
 			 cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSTCTRL);
 	prcm_context.mpu_cm_clkstctrl =
@@ -431,7 +423,6 @@ void omap3_prcm_restore_context(void)
 	__raw_writel(prcm_context.cm_sysconfig, OMAP3430_CM_SYSCONFIG);
 	cm_write_mod_reg(prcm_context.sgx_cm_clksel, OMAP3430ES2_SGX_MOD,
 					 CM_CLKSEL);
-	cm_write_mod_reg(prcm_context.wkup_cm_clksel, WKUP_MOD, CM_CLKSEL);
 	cm_write_mod_reg(prcm_context.dss_cm_clksel, OMAP3430_DSS_MOD,
 					 CM_CLKSEL);
 	cm_write_mod_reg(prcm_context.cam_cm_clksel, OMAP3430_CAM_MOD,
@@ -448,7 +439,6 @@ void omap3_prcm_restore_context(void)
 					OMAP3430ES2_CM_CLKSEL4);
 	cm_write_mod_reg(prcm_context.pll_cm_clksel5, PLL_MOD,
 					 OMAP3430ES2_CM_CLKSEL5);
-	cm_write_mod_reg(prcm_context.pll_cm_clken, PLL_MOD, CM_CLKEN);
 	cm_write_mod_reg(prcm_context.pll_cm_clken2, PLL_MOD,
 					OMAP3430ES2_CM_CLKEN2);
 	__raw_writel(prcm_context.cm_polctrl, OMAP3430_CM_POLCTRL);
@@ -487,7 +477,6 @@ void omap3_prcm_restore_context(void)
 	cm_write_mod_reg(prcm_context.iva2_cm_autiidle2, OMAP3430_IVA2_MOD,
 					CM_AUTOIDLE2);
 	cm_write_mod_reg(prcm_context.mpu_cm_autoidle2, MPU_MOD, CM_AUTOIDLE2);
-	cm_write_mod_reg(prcm_context.pll_cm_autoidle, PLL_MOD, CM_AUTOIDLE);
 	cm_write_mod_reg(prcm_context.iva2_cm_clkstctrl, OMAP3430_IVA2_MOD,
 					CM_CLKSTCTRL);
 	cm_write_mod_reg(prcm_context.mpu_cm_clkstctrl, MPU_MOD, CM_CLKSTCTRL);
diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h
index ea050ce188a7..40f006285163 100644
--- a/arch/arm/mach-omap2/prm.h
+++ b/arch/arm/mach-omap2/prm.h
@@ -24,6 +24,8 @@
 		OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE + (module) + (reg))
 #define OMAP44XX_PRM_REGADDR(module, reg)				\
 		OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE + (module) + (reg))
+#define OMAP44XX_CHIRONSS_REGADDR(module, reg)				\
+		OMAP2_L4_IO_ADDRESS(OMAP4430_CHIRONSS_BASE + (module) + (reg))
 
 #include "prm44xx.h"
 
diff --git a/arch/arm/mach-omap2/prm44xx.h b/arch/arm/mach-omap2/prm44xx.h
index 89be97f0589d..adb2558bb121 100644
--- a/arch/arm/mach-omap2/prm44xx.h
+++ b/arch/arm/mach-omap2/prm44xx.h
@@ -386,26 +386,26 @@
 
 
 /* CHIRON_PRCM.CHIRONSS_OCP_SOCKET_PRCM register offsets */
-#define OMAP4430_REVISION_PRCM				OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_OCP_SOCKET_PRCM_MOD, 0x0000)
+#define OMAP4430_REVISION_PRCM				OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_OCP_SOCKET_PRCM_MOD, 0x0000)
 
 /* CHIRON_PRCM.CHIRONSS_DEVICE_PRM register offsets */
-#define OMAP4430_CHIRON_PRCM_PRM_RSTST			OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_DEVICE_PRM_MOD, 0x0000)
+#define OMAP4430_CHIRON_PRCM_PRM_RSTST			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_DEVICE_PRM_MOD, 0x0000)
 
 /* CHIRON_PRCM.CHIRONSS_CPU0 register offsets */
-#define OMAP4430_PM_PDA_CPU0_PWRSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0000)
-#define OMAP4430_PM_PDA_CPU0_PWRSTST			OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0004)
-#define OMAP4430_RM_PDA_CPU0_CPU0_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0008)
-#define OMAP4430_RM_PDA_CPU0_CPU0_RSTCTRL		OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x000c)
-#define OMAP4430_RM_PDA_CPU0_CPU0_RSTST			OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0010)
-#define OMAP4430_CM_PDA_CPU0_CPU0_CLKCTRL		OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0014)
-#define OMAP4430_CM_PDA_CPU0_CLKSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0018)
+#define OMAP4430_PM_PDA_CPU0_PWRSTCTRL			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0000)
+#define OMAP4430_PM_PDA_CPU0_PWRSTST			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0004)
+#define OMAP4430_RM_PDA_CPU0_CPU0_CONTEXT		OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0008)
+#define OMAP4430_RM_PDA_CPU0_CPU0_RSTCTRL		OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x000c)
+#define OMAP4430_RM_PDA_CPU0_CPU0_RSTST			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0010)
+#define OMAP4430_CM_PDA_CPU0_CPU0_CLKCTRL		OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0014)
+#define OMAP4430_CM_PDA_CPU0_CLKSTCTRL			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0018)
 
 /* CHIRON_PRCM.CHIRONSS_CPU1 register offsets */
-#define OMAP4430_PM_PDA_CPU1_PWRSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0000)
-#define OMAP4430_PM_PDA_CPU1_PWRSTST			OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0004)
-#define OMAP4430_RM_PDA_CPU1_CPU1_CONTEXT		OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0008)
-#define OMAP4430_RM_PDA_CPU1_CPU1_RSTCTRL		OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x000c)
-#define OMAP4430_RM_PDA_CPU1_CPU1_RSTST			OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0010)
-#define OMAP4430_CM_PDA_CPU1_CPU1_CLKCTRL		OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0014)
-#define OMAP4430_CM_PDA_CPU1_CLKSTCTRL			OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0018)
+#define OMAP4430_PM_PDA_CPU1_PWRSTCTRL			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0000)
+#define OMAP4430_PM_PDA_CPU1_PWRSTST			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0004)
+#define OMAP4430_RM_PDA_CPU1_CPU1_CONTEXT		OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0008)
+#define OMAP4430_RM_PDA_CPU1_CPU1_RSTCTRL		OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x000c)
+#define OMAP4430_RM_PDA_CPU1_CPU1_RSTST			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0010)
+#define OMAP4430_CM_PDA_CPU1_CPU1_CLKCTRL		OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0014)
+#define OMAP4430_CM_PDA_CPU1_CLKSTCTRL			OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0018)
 #endif
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 19805a7de06c..e10a02df6e1d 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -36,7 +36,13 @@
 #define UART_OMAP_NO_EMPTY_FIFO_READ_IP_REV	0x52
 #define UART_OMAP_WER		0x17	/* Wake-up enable register */
 
-#define DEFAULT_TIMEOUT (5 * HZ)
+/*
+ * NOTE: By default the serial timeout is disabled as it causes lost characters
+ * over the serial ports. This means that the UART clocks will stay on until
+ * disabled via sysfs. This also causes that any deeper omap sleep states are
+ * blocked. 
+ */
+#define DEFAULT_TIMEOUT 0
 
 struct omap_uart_state {
 	int num;
@@ -125,6 +131,13 @@ static struct plat_serial8250_port serial_platform_data3[] = {
 	}
 };
 #endif
+static inline unsigned int __serial_read_reg(struct uart_port *up,
+					   int offset)
+{
+	offset <<= up->regshift;
+	return (unsigned int)__raw_readb(up->membase + offset);
+}
+
 static inline unsigned int serial_read_reg(struct plat_serial8250_port *up,
 					   int offset)
 {
@@ -415,7 +428,8 @@ static void omap_uart_idle_init(struct omap_uart_state *uart)
 	uart->timeout = DEFAULT_TIMEOUT;
 	setup_timer(&uart->timer, omap_uart_idle_timer,
 		    (unsigned long) uart);
-	mod_timer(&uart->timer, jiffies + uart->timeout);
+	if (uart->timeout)
+		mod_timer(&uart->timer, jiffies + uart->timeout);
 	omap_uart_smart_idle_enable(uart, 0);
 
 	if (cpu_is_omap34xx()) {
@@ -583,11 +597,12 @@ static unsigned int serial_in_override(struct uart_port *up, int offset)
 {
 	if (UART_RX == offset) {
 		unsigned int lsr;
-		lsr = serial_read_reg(omap_uart[up->line].p, UART_LSR);
+		lsr = __serial_read_reg(up, UART_LSR);
 		if (!(lsr & UART_LSR_DR))
 			return -EPERM;
 	}
-	return serial_read_reg(omap_uart[up->line].p, offset);
+
+	return __serial_read_reg(up, offset);
 }
 
 void __init omap_serial_early_init(void)
diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S
index 15268f8b61de..c3626ea48143 100644
--- a/arch/arm/mach-omap2/sleep34xx.S
+++ b/arch/arm/mach-omap2/sleep34xx.S
@@ -245,7 +245,8 @@ restore:
 	mov	r1, #0		@ set task id for ROM code in r1
 	mov	r2, #4		@ set some flags in r2, r6
 	mov	r6, #0xff
-	adr	r3, write_aux_control_params	@ r3 points to parameters
+	ldr	r4, scratchpad_base
+	ldr	r3, [r4, #0xBC]	@ r3 points to parameters
 	mcr	p15, 0, r0, c7, c10, 4	@ data write barrier
 	mcr	p15, 0, r0, c7, c10, 5	@ data memory barrier
 	.word	0xE1600071		@ call SMI monitor (smi #1)
@@ -253,14 +254,14 @@ restore:
 	b	logic_l1_restore
 l2_inv_api_params:
 	.word   0x1, 0x00
-write_aux_control_params:
-	.word   0x1, 0x72
 l2_inv_gp:
 	/* Execute smi to invalidate L2 cache */
 	mov r12, #0x1                         @ set up to invalide L2
 smi:    .word 0xE1600070		@ Call SMI monitor (smieq)
 	/* Write to Aux control register to set some bits */
-	mov	r0, #0x72
+	ldr	r4, scratchpad_base
+	ldr	r3, [r4,#0xBC]
+	ldr	r0, [r3,#4]
 	mov	r12, #0x3
 	.word 0xE1600070	@ Call SMI monitor (smieq)
 logic_l1_restore:
@@ -271,6 +272,7 @@ logic_l1_restore:
 
 	ldr	r4, scratchpad_base
 	ldr	r3, [r4,#0xBC]
+	adds	r3, r3, #8
 	ldmia	r3!, {r4-r6}
 	mov	sp, r4
 	msr	spsr_cxsf, r5
@@ -387,6 +389,9 @@ usettbr0:
 save_context_wfi:
 	/*b	save_context_wfi*/	@ enable to debug save code
 	mov	r8, r0 /* Store SDRAM address in r8 */
+	mrc	p15, 0, r5, c1, c0, 1	@ Read Auxiliary Control Register
+	mov	r4, #0x1		@ Number of parameters for restore call
+	stmia	r8!, {r4-r5}
         /* Check what that target sleep state is:stored in r1*/
         /* 1 - Only L1 and logic lost */
         /* 2 - Only L2 lost */