Merge branch 'next/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc

* 'next/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (133 commits)
  ARM: EXYNOS4: Change devname for FIMD clkdev
  ARM: S3C64XX: Cleanup mach/regs-fb.h from mach-s3c64xx
  ARM: S5PV210: Cleanup mach/regs-fb.h from mach-s5pv210
  ARM: S5PC100: Cleanup mach/regs-fb.h from mach-s5pc100
  ARM: S3C24XX: Use generic s3c_set_platdata for devices
  ARM: S3C64XX: Use generic s3c_set_platdata for OneNAND
  ARM: SAMSUNG: Use generic s3c_set_platdata for NAND
  ARM: SAMSUNG: Use generic s3c_set_platdata for USB OHCI
  ARM: SAMSUNG: Use generic s3c_set_platdata for HWMON
  ARM: SAMSUNG: Use generic s3c_set_platdata for FB
  ARM: SAMSUNG: Use generic s3c_set_platdata for TS
  ARM: S3C64XX: Add PWM backlight support on SMDK6410
  ARM: S5P64X0: Add PWM backlight support on SMDK6450
  ARM: S5P64X0: Add PWM backlight support on SMDK6440
  ARM: S5PC100: Add PWM backlight support on SMDKC100
  ARM: S5PV210: Add PWM backlight support on SMDKV210
  ARM: EXYNOS4: Add PWM backlight support on SMDKC210
  ARM: EXYNOS4: Add PWM backlight support on SMDKV310
  ARM: SAMSUNG: Create a common infrastructure for PWM backlight support
  clocksource: convert 32-bit down counting clocksource on S5PV210/S5P64X0
  ...

Fix up trivial conflict in arch/arm/mach-imx/mach-scb9328.c

13 files changed, 352 insertions, 970 deletions

diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index 49a4c75243fc..6e6735f04ee3 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -211,9 +211,6 @@ choice
 	depends on ARCH_OMAP
 	default OMAP_PM_NOOP
 
-config OMAP_PM_NONE
-	bool "No PM layer"
-
 config OMAP_PM_NOOP
 	bool "No-op/debug PM layer"
 
diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c
index f7fed6080190..a6cbb712da51 100644
--- a/arch/arm/plat-omap/counter_32k.c
+++ b/arch/arm/plat-omap/counter_32k.c
@@ -18,6 +18,7 @@
 #include <linux/err.h>
 #include <linux/io.h>
 #include <linux/sched.h>
+#include <linux/clocksource.h>
 
 #include <asm/sched_clock.h>
 
@@ -26,87 +27,16 @@
 
 #include <plat/clock.h>
 
-
 /*
  * 32KHz clocksource ... always available, on pretty most chips except
  * OMAP 730 and 1510.  Other timers could be used as clocksources, with
  * higher resolution in free-running counter modes (e.g. 12 MHz xtal),
  * but systems won't necessarily want to spend resources that way.
  */
+static void __iomem *timer_32k_base;
 
 #define OMAP16XX_TIMER_32K_SYNCHRONIZED		0xfffbc410
 
-#include <linux/clocksource.h>
-
-/*
- * offset_32k holds the init time counter value. It is then subtracted
- * from every counter read to achieve a counter that counts time from the
- * kernel boot (needed for sched_clock()).
- */
-static u32 offset_32k __read_mostly;
-
-#ifdef CONFIG_ARCH_OMAP16XX
-static cycle_t notrace omap16xx_32k_read(struct clocksource *cs)
-{
-	return omap_readl(OMAP16XX_TIMER_32K_SYNCHRONIZED) - offset_32k;
-}
-#else
-#define omap16xx_32k_read	NULL
-#endif
-
-#ifdef CONFIG_SOC_OMAP2420
-static cycle_t notrace omap2420_32k_read(struct clocksource *cs)
-{
-	return omap_readl(OMAP2420_32KSYNCT_BASE + 0x10) - offset_32k;
-}
-#else
-#define omap2420_32k_read	NULL
-#endif
-
-#ifdef CONFIG_SOC_OMAP2430
-static cycle_t notrace omap2430_32k_read(struct clocksource *cs)
-{
-	return omap_readl(OMAP2430_32KSYNCT_BASE + 0x10) - offset_32k;
-}
-#else
-#define omap2430_32k_read	NULL
-#endif
-
-#ifdef CONFIG_ARCH_OMAP3
-static cycle_t notrace omap34xx_32k_read(struct clocksource *cs)
-{
-	return omap_readl(OMAP3430_32KSYNCT_BASE + 0x10) - offset_32k;
-}
-#else
-#define omap34xx_32k_read	NULL
-#endif
-
-#ifdef CONFIG_ARCH_OMAP4
-static cycle_t notrace omap44xx_32k_read(struct clocksource *cs)
-{
-	return omap_readl(OMAP4430_32KSYNCT_BASE + 0x10) - offset_32k;
-}
-#else
-#define omap44xx_32k_read	NULL
-#endif
-
-/*
- * Kernel assumes that sched_clock can be called early but may not have
- * things ready yet.
- */
-static cycle_t notrace omap_32k_read_dummy(struct clocksource *cs)
-{
-	return 0;
-}
-
-static struct clocksource clocksource_32k = {
-	.name		= "32k_counter",
-	.rating		= 250,
-	.read		= omap_32k_read_dummy,
-	.mask		= CLOCKSOURCE_MASK(32),
-	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
 /*
  * Returns current time from boot in nsecs. It's OK for this to wrap
  * around for now, as it's just a relative time stamp.
@@ -122,11 +52,11 @@ static DEFINE_CLOCK_DATA(cd);
 
 static inline unsigned long long notrace _omap_32k_sched_clock(void)
 {
-	u32 cyc = clocksource_32k.read(&clocksource_32k);
+	u32 cyc = timer_32k_base ? __raw_readl(timer_32k_base) : 0;
 	return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT);
 }
 
-#ifndef CONFIG_OMAP_MPU_TIMER
+#if defined(CONFIG_OMAP_32K_TIMER) && !defined(CONFIG_OMAP_MPU_TIMER)
 unsigned long long notrace sched_clock(void)
 {
 	return _omap_32k_sched_clock();
@@ -140,7 +70,7 @@ unsigned long long notrace omap_32k_sched_clock(void)
 
 static void notrace omap_update_sched_clock(void)
 {
-	u32 cyc = clocksource_32k.read(&clocksource_32k);
+	u32 cyc = timer_32k_base ? __raw_readl(timer_32k_base) : 0;
 	update_sched_clock(&cd, cyc, (u32)~0);
 }
 
@@ -153,6 +83,7 @@ static void notrace omap_update_sched_clock(void)
  */
 static struct timespec persistent_ts;
 static cycles_t cycles, last_cycles;
+static unsigned int persistent_mult, persistent_shift;
 void read_persistent_clock(struct timespec *ts)
 {
 	unsigned long long nsecs;
@@ -160,11 +91,10 @@ void read_persistent_clock(struct timespec *ts)
 	struct timespec *tsp = &persistent_ts;
 
 	last_cycles = cycles;
-	cycles = clocksource_32k.read(&clocksource_32k);
+	cycles = timer_32k_base ? __raw_readl(timer_32k_base) : 0;
 	delta = cycles - last_cycles;
 
-	nsecs = clocksource_cyc2ns(delta,
-				   clocksource_32k.mult, clocksource_32k.shift);
+	nsecs = clocksource_cyc2ns(delta, persistent_mult, persistent_shift);
 
 	timespec_add_ns(tsp, nsecs);
 	*ts = *tsp;
@@ -176,29 +106,46 @@ int __init omap_init_clocksource_32k(void)
 			"%s: can't register clocksource!\n";
 
 	if (cpu_is_omap16xx() || cpu_class_is_omap2()) {
+		u32 pbase;
+		unsigned long size = SZ_4K;
+		void __iomem *base;
 		struct clk *sync_32k_ick;
 
-		if (cpu_is_omap16xx())
-			clocksource_32k.read = omap16xx_32k_read;
-		else if (cpu_is_omap2420())
-			clocksource_32k.read = omap2420_32k_read;
+		if (cpu_is_omap16xx()) {
+			pbase = OMAP16XX_TIMER_32K_SYNCHRONIZED;
+			size = SZ_1K;
+		} else if (cpu_is_omap2420())
+			pbase = OMAP2420_32KSYNCT_BASE + 0x10;
 		else if (cpu_is_omap2430())
-			clocksource_32k.read = omap2430_32k_read;
+			pbase = OMAP2430_32KSYNCT_BASE + 0x10;
 		else if (cpu_is_omap34xx())
-			clocksource_32k.read = omap34xx_32k_read;
+			pbase = OMAP3430_32KSYNCT_BASE + 0x10;
 		else if (cpu_is_omap44xx())
-			clocksource_32k.read = omap44xx_32k_read;
+			pbase = OMAP4430_32KSYNCT_BASE + 0x10;
 		else
 			return -ENODEV;
 
+		/* For this to work we must have a static mapping in io.c for this area */
+		base = ioremap(pbase, size);
+		if (!base)
+			return -ENODEV;
+
 		sync_32k_ick = clk_get(NULL, "omap_32ksync_ick");
 		if (!IS_ERR(sync_32k_ick))
 			clk_enable(sync_32k_ick);
 
-		offset_32k = clocksource_32k.read(&clocksource_32k);
+		timer_32k_base = base;
+
+		/*
+		 * 120000 rough estimate from the calculations in
+		 * __clocksource_updatefreq_scale.
+		 */
+		clocks_calc_mult_shift(&persistent_mult, &persistent_shift,
+				32768, NSEC_PER_SEC, 120000);
 
-		if (clocksource_register_hz(&clocksource_32k, 32768))
-			printk(err, clocksource_32k.name);
+		if (clocksource_mmio_init(base, "32k_counter", 32768, 250, 32,
+					  clocksource_mmio_readl_up))
+			printk(err, "32k_counter");
 
 		init_fixed_sched_clock(&cd, omap_update_sched_clock, 32,
 				       32768, SC_MULT, SC_SHIFT);
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index ee9f6ebba29b..8dfb8186b2c2 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -41,127 +41,6 @@
 #include <plat/dmtimer.h>
 #include <mach/irqs.h>
 
-/* register offsets */
-#define _OMAP_TIMER_ID_OFFSET		0x00
-#define _OMAP_TIMER_OCP_CFG_OFFSET	0x10
-#define _OMAP_TIMER_SYS_STAT_OFFSET	0x14
-#define _OMAP_TIMER_STAT_OFFSET		0x18
-#define _OMAP_TIMER_INT_EN_OFFSET	0x1c
-#define _OMAP_TIMER_WAKEUP_EN_OFFSET	0x20
-#define _OMAP_TIMER_CTRL_OFFSET		0x24
-#define		OMAP_TIMER_CTRL_GPOCFG		(1 << 14)
-#define		OMAP_TIMER_CTRL_CAPTMODE	(1 << 13)
-#define		OMAP_TIMER_CTRL_PT		(1 << 12)
-#define		OMAP_TIMER_CTRL_TCM_LOWTOHIGH	(0x1 << 8)
-#define		OMAP_TIMER_CTRL_TCM_HIGHTOLOW	(0x2 << 8)
-#define		OMAP_TIMER_CTRL_TCM_BOTHEDGES	(0x3 << 8)
-#define		OMAP_TIMER_CTRL_SCPWM		(1 << 7)
-#define		OMAP_TIMER_CTRL_CE		(1 << 6) /* compare enable */
-#define		OMAP_TIMER_CTRL_PRE		(1 << 5) /* prescaler enable */
-#define		OMAP_TIMER_CTRL_PTV_SHIFT	2 /* prescaler value shift */
-#define		OMAP_TIMER_CTRL_POSTED		(1 << 2)
-#define		OMAP_TIMER_CTRL_AR		(1 << 1) /* auto-reload enable */
-#define		OMAP_TIMER_CTRL_ST		(1 << 0) /* start timer */
-#define _OMAP_TIMER_COUNTER_OFFSET	0x28
-#define _OMAP_TIMER_LOAD_OFFSET		0x2c
-#define _OMAP_TIMER_TRIGGER_OFFSET	0x30
-#define _OMAP_TIMER_WRITE_PEND_OFFSET	0x34
-#define		WP_NONE			0	/* no write pending bit */
-#define		WP_TCLR			(1 << 0)
-#define		WP_TCRR			(1 << 1)
-#define		WP_TLDR			(1 << 2)
-#define		WP_TTGR			(1 << 3)
-#define		WP_TMAR			(1 << 4)
-#define		WP_TPIR			(1 << 5)
-#define		WP_TNIR			(1 << 6)
-#define		WP_TCVR			(1 << 7)
-#define		WP_TOCR			(1 << 8)
-#define		WP_TOWR			(1 << 9)
-#define _OMAP_TIMER_MATCH_OFFSET	0x38
-#define _OMAP_TIMER_CAPTURE_OFFSET	0x3c
-#define _OMAP_TIMER_IF_CTRL_OFFSET	0x40
-#define _OMAP_TIMER_CAPTURE2_OFFSET		0x44	/* TCAR2, 34xx only */
-#define _OMAP_TIMER_TICK_POS_OFFSET		0x48	/* TPIR, 34xx only */
-#define _OMAP_TIMER_TICK_NEG_OFFSET		0x4c	/* TNIR, 34xx only */
-#define _OMAP_TIMER_TICK_COUNT_OFFSET		0x50	/* TCVR, 34xx only */
-#define _OMAP_TIMER_TICK_INT_MASK_SET_OFFSET	0x54	/* TOCR, 34xx only */
-#define _OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET	0x58	/* TOWR, 34xx only */
-
-/* register offsets with the write pending bit encoded */
-#define	WPSHIFT					16
-
-#define OMAP_TIMER_ID_REG			(_OMAP_TIMER_ID_OFFSET \
-							| (WP_NONE << WPSHIFT))
-
-#define OMAP_TIMER_OCP_CFG_REG			(_OMAP_TIMER_OCP_CFG_OFFSET \
-							| (WP_NONE << WPSHIFT))
-
-#define OMAP_TIMER_SYS_STAT_REG			(_OMAP_TIMER_SYS_STAT_OFFSET \
-							| (WP_NONE << WPSHIFT))
-
-#define OMAP_TIMER_STAT_REG			(_OMAP_TIMER_STAT_OFFSET \
-							| (WP_NONE << WPSHIFT))
-
-#define OMAP_TIMER_INT_EN_REG			(_OMAP_TIMER_INT_EN_OFFSET \
-							| (WP_NONE << WPSHIFT))
-
-#define OMAP_TIMER_WAKEUP_EN_REG		(_OMAP_TIMER_WAKEUP_EN_OFFSET \
-							| (WP_NONE << WPSHIFT))
-
-#define OMAP_TIMER_CTRL_REG			(_OMAP_TIMER_CTRL_OFFSET \
-							| (WP_TCLR << WPSHIFT))
-
-#define OMAP_TIMER_COUNTER_REG			(_OMAP_TIMER_COUNTER_OFFSET \
-							| (WP_TCRR << WPSHIFT))
-
-#define OMAP_TIMER_LOAD_REG			(_OMAP_TIMER_LOAD_OFFSET \
-							| (WP_TLDR << WPSHIFT))
-
-#define OMAP_TIMER_TRIGGER_REG			(_OMAP_TIMER_TRIGGER_OFFSET \
-							| (WP_TTGR << WPSHIFT))
-
-#define OMAP_TIMER_WRITE_PEND_REG		(_OMAP_TIMER_WRITE_PEND_OFFSET \
-							| (WP_NONE << WPSHIFT))
-
-#define OMAP_TIMER_MATCH_REG			(_OMAP_TIMER_MATCH_OFFSET \
-							| (WP_TMAR << WPSHIFT))
-
-#define OMAP_TIMER_CAPTURE_REG			(_OMAP_TIMER_CAPTURE_OFFSET \
-							| (WP_NONE << WPSHIFT))
-
-#define OMAP_TIMER_IF_CTRL_REG			(_OMAP_TIMER_IF_CTRL_OFFSET \
-							| (WP_NONE << WPSHIFT))
-
-#define OMAP_TIMER_CAPTURE2_REG			(_OMAP_TIMER_CAPTURE2_OFFSET \
-							| (WP_NONE << WPSHIFT))
-
-#define OMAP_TIMER_TICK_POS_REG			(_OMAP_TIMER_TICK_POS_OFFSET \
-							| (WP_TPIR << WPSHIFT))
-
-#define OMAP_TIMER_TICK_NEG_REG			(_OMAP_TIMER_TICK_NEG_OFFSET \
-							| (WP_TNIR << WPSHIFT))
-
-#define OMAP_TIMER_TICK_COUNT_REG		(_OMAP_TIMER_TICK_COUNT_OFFSET \
-							| (WP_TCVR << WPSHIFT))
-
-#define OMAP_TIMER_TICK_INT_MASK_SET_REG				\
-		(_OMAP_TIMER_TICK_INT_MASK_SET_OFFSET | (WP_TOCR << WPSHIFT))
-
-#define OMAP_TIMER_TICK_INT_MASK_COUNT_REG				\
-		(_OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET | (WP_TOWR << WPSHIFT))
-
-struct omap_dm_timer {
-	unsigned long phys_base;
-	int irq;
-#ifdef CONFIG_ARCH_OMAP2PLUS
-	struct clk *iclk, *fclk;
-#endif
-	void __iomem *io_base;
-	unsigned reserved:1;
-	unsigned enabled:1;
-	unsigned posted:1;
-};
-
 static int dm_timer_count;
 
 #ifdef CONFIG_ARCH_OMAP1
@@ -291,11 +170,7 @@ static spinlock_t dm_timer_lock;
  */
 static inline u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, u32 reg)
 {
-	if (timer->posted)
-		while (readl(timer->io_base + (OMAP_TIMER_WRITE_PEND_REG & 0xff))
-				& (reg >> WPSHIFT))
-			cpu_relax();
-	return readl(timer->io_base + (reg & 0xff));
+	return __omap_dm_timer_read(timer->io_base, reg, timer->posted);
 }
 
 /*
@@ -307,11 +182,7 @@ static inline u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, u32 reg)
 static void omap_dm_timer_write_reg(struct omap_dm_timer *timer, u32 reg,
 						u32 value)
 {
-	if (timer->posted)
-		while (readl(timer->io_base + (OMAP_TIMER_WRITE_PEND_REG & 0xff))
-				& (reg >> WPSHIFT))
-			cpu_relax();
-	writel(value, timer->io_base + (reg & 0xff));
+	__omap_dm_timer_write(timer->io_base, reg, value, timer->posted);
 }
 
 static void omap_dm_timer_wait_for_reset(struct omap_dm_timer *timer)
@@ -330,7 +201,7 @@ static void omap_dm_timer_wait_for_reset(struct omap_dm_timer *timer)
 
 static void omap_dm_timer_reset(struct omap_dm_timer *timer)
 {
-	u32 l;
+	int autoidle = 0, wakeup = 0;
 
 	if (!cpu_class_is_omap2() || timer != &dm_timers[0]) {
 		omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, 0x06);
@@ -338,28 +209,21 @@ static void omap_dm_timer_reset(struct omap_dm_timer *timer)
 	}
 	omap_dm_timer_set_source(timer, OMAP_TIMER_SRC_32_KHZ);
 
-	l = omap_dm_timer_read_reg(timer, OMAP_TIMER_OCP_CFG_REG);
-	l |= 0x02 << 3;  /* Set to smart-idle mode */
-	l |= 0x2 << 8;   /* Set clock activity to perserve f-clock on idle */
-
 	/* Enable autoidle on OMAP2 / OMAP3 */
 	if (cpu_is_omap24xx() || cpu_is_omap34xx())
-		l |= 0x1 << 0;
+		autoidle = 1;
 
 	/*
 	 * Enable wake-up on OMAP2 CPUs.
 	 */
 	if (cpu_class_is_omap2())
-		l |= 1 << 2;
-	omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_REG, l);
+		wakeup = 1;
 
-	/* Match hardware reset default of posted mode */
-	omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG,
-			OMAP_TIMER_CTRL_POSTED);
+	__omap_dm_timer_reset(timer->io_base, autoidle, wakeup);
 	timer->posted = 1;
 }
 
-static void omap_dm_timer_prepare(struct omap_dm_timer *timer)
+void omap_dm_timer_prepare(struct omap_dm_timer *timer)
 {
 	omap_dm_timer_enable(timer);
 	omap_dm_timer_reset(timer);
@@ -531,25 +395,13 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_start);
 
 void omap_dm_timer_stop(struct omap_dm_timer *timer)
 {
-	u32 l;
+	unsigned long rate = 0;
 
-	l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
-	if (l & OMAP_TIMER_CTRL_ST) {
-		l &= ~0x1;
-		omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
 #ifdef CONFIG_ARCH_OMAP2PLUS
-		/* Readback to make sure write has completed */
-		omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
-		 /*
-		  * Wait for functional clock period x 3.5 to make sure that
-		  * timer is stopped
-		  */
-		udelay(3500000 / clk_get_rate(timer->fclk) + 1);
+	rate = clk_get_rate(timer->fclk);
 #endif
-	}
-	/* Ack possibly pending interrupt */
-	omap_dm_timer_write_reg(timer, OMAP_TIMER_STAT_REG,
-			OMAP_TIMER_INT_OVERFLOW);
+
+	__omap_dm_timer_stop(timer->io_base, timer->posted, rate);
 }
 EXPORT_SYMBOL_GPL(omap_dm_timer_stop);
 
@@ -572,22 +424,11 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);
 
 int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
 {
-	int ret = -EINVAL;
-
 	if (source < 0 || source >= 3)
 		return -EINVAL;
 
-	clk_disable(timer->fclk);
-	ret = clk_set_parent(timer->fclk, dm_source_clocks[source]);
-	clk_enable(timer->fclk);
-
-	/*
-	 * When the functional clock disappears, too quick writes seem
-	 * to cause an abort. XXX Is this still necessary?
-	 */
-	__delay(300000);
-
-	return ret;
+	return __omap_dm_timer_set_source(timer->fclk,
+						dm_source_clocks[source]);
 }
 EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);
 
@@ -625,8 +466,7 @@ void omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload,
 	}
 	l |= OMAP_TIMER_CTRL_ST;
 
-	omap_dm_timer_write_reg(timer, OMAP_TIMER_COUNTER_REG, load);
-	omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
+	__omap_dm_timer_load_start(timer->io_base, l, load, timer->posted);
 }
 EXPORT_SYMBOL_GPL(omap_dm_timer_set_load_start);
 
@@ -679,8 +519,7 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_set_prescaler);
 void omap_dm_timer_set_int_enable(struct omap_dm_timer *timer,
 				  unsigned int value)
 {
-	omap_dm_timer_write_reg(timer, OMAP_TIMER_INT_EN_REG, value);
-	omap_dm_timer_write_reg(timer, OMAP_TIMER_WAKEUP_EN_REG, value);
+	__omap_dm_timer_int_enable(timer->io_base, value);
 }
 EXPORT_SYMBOL_GPL(omap_dm_timer_set_int_enable);
 
@@ -696,17 +535,13 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_read_status);
 
 void omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value)
 {
-	omap_dm_timer_write_reg(timer, OMAP_TIMER_STAT_REG, value);
+	__omap_dm_timer_write_status(timer->io_base, value);
 }
 EXPORT_SYMBOL_GPL(omap_dm_timer_write_status);
 
 unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer)
 {
-	unsigned int l;
-
-	l = omap_dm_timer_read_reg(timer, OMAP_TIMER_COUNTER_REG);
-
-	return l;
+	return __omap_dm_timer_read_counter(timer->io_base, timer->posted);
 }
 EXPORT_SYMBOL_GPL(omap_dm_timer_read_counter);
 
@@ -737,7 +572,7 @@ int omap_dm_timers_active(void)
 }
 EXPORT_SYMBOL_GPL(omap_dm_timers_active);
 
-int __init omap_dm_timer_init(void)
+static int __init omap_dm_timer_init(void)
 {
 	struct omap_dm_timer *timer;
 	int i, map_size = SZ_8K;	/* Module 4KB + L4 4KB except on omap1 */
@@ -790,8 +625,16 @@ int __init omap_dm_timer_init(void)
 			sprintf(clk_name, "gpt%d_fck", i + 1);
 			timer->fclk = clk_get(NULL, clk_name);
 		}
+
+		/* One or two timers may be set up early for sys_timer */
+		if (sys_timer_reserved & (1  << i)) {
+			timer->reserved = 1;
+			timer->posted = 1;
+		}
 #endif
 	}
 
 	return 0;
 }
+
+arch_initcall(omap_dm_timer_init);
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index 006e599c6613..f57e0649ab30 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -152,7 +152,7 @@ struct dpll_data {
 	u16			max_multiplier;
 	u8			last_rounded_n;
 	u8			min_divider;
-	u8			max_divider;
+	u16			max_divider;
 	u8			modes;
 #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
 	void __iomem		*autoidle_reg;
diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h
index 5288130be96e..4564cc697d7f 100644
--- a/arch/arm/plat-omap/include/plat/common.h
+++ b/arch/arm/plat-omap/include/plat/common.h
@@ -34,7 +34,11 @@
 struct sys_timer;
 
 extern void omap_map_common_io(void);
-extern struct sys_timer omap_timer;
+extern struct sys_timer omap1_timer;
+extern struct sys_timer omap2_timer;
+extern struct sys_timer omap3_timer;
+extern struct sys_timer omap3_secure_timer;
+extern struct sys_timer omap4_timer;
 extern bool omap_32k_timer_init(void);
 extern int __init omap_init_clocksource_32k(void);
 extern unsigned long long notrace omap_32k_sched_clock(void);
diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h
index d6c70d2f4030..eb5d16c60cd9 100644
--- a/arch/arm/plat-omap/include/plat/dmtimer.h
+++ b/arch/arm/plat-omap/include/plat/dmtimer.h
@@ -32,6 +32,10 @@
  * 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+
 #ifndef __ASM_ARCH_DMTIMER_H
 #define __ASM_ARCH_DMTIMER_H
 
@@ -56,12 +60,8 @@
  */
 #define OMAP_TIMER_IP_VERSION_1                        0x1
 struct omap_dm_timer;
-extern struct omap_dm_timer *gptimer_wakeup;
-extern struct sys_timer omap_timer;
 struct clk;
 
-int omap_dm_timer_init(void);
-
 struct omap_dm_timer *omap_dm_timer_request(void);
 struct omap_dm_timer *omap_dm_timer_request_specific(int timer_id);
 void omap_dm_timer_free(struct omap_dm_timer *timer);
@@ -93,5 +93,248 @@ void omap_dm_timer_write_counter(struct omap_dm_timer *timer, unsigned int value
 
 int omap_dm_timers_active(void);
 
+/*
+ * Do not use the defines below, they are not needed. They should be only
+ * used by dmtimer.c and sys_timer related code.
+ */
+
+/* register offsets */
+#define _OMAP_TIMER_ID_OFFSET		0x00
+#define _OMAP_TIMER_OCP_CFG_OFFSET	0x10
+#define _OMAP_TIMER_SYS_STAT_OFFSET	0x14
+#define _OMAP_TIMER_STAT_OFFSET		0x18
+#define _OMAP_TIMER_INT_EN_OFFSET	0x1c
+#define _OMAP_TIMER_WAKEUP_EN_OFFSET	0x20
+#define _OMAP_TIMER_CTRL_OFFSET		0x24
+#define		OMAP_TIMER_CTRL_GPOCFG		(1 << 14)
+#define		OMAP_TIMER_CTRL_CAPTMODE	(1 << 13)
+#define		OMAP_TIMER_CTRL_PT		(1 << 12)
+#define		OMAP_TIMER_CTRL_TCM_LOWTOHIGH	(0x1 << 8)
+#define		OMAP_TIMER_CTRL_TCM_HIGHTOLOW	(0x2 << 8)
+#define		OMAP_TIMER_CTRL_TCM_BOTHEDGES	(0x3 << 8)
+#define		OMAP_TIMER_CTRL_SCPWM		(1 << 7)
+#define		OMAP_TIMER_CTRL_CE		(1 << 6) /* compare enable */
+#define		OMAP_TIMER_CTRL_PRE		(1 << 5) /* prescaler enable */
+#define		OMAP_TIMER_CTRL_PTV_SHIFT	2 /* prescaler value shift */
+#define		OMAP_TIMER_CTRL_POSTED		(1 << 2)
+#define		OMAP_TIMER_CTRL_AR		(1 << 1) /* auto-reload enable */
+#define		OMAP_TIMER_CTRL_ST		(1 << 0) /* start timer */
+#define _OMAP_TIMER_COUNTER_OFFSET	0x28
+#define _OMAP_TIMER_LOAD_OFFSET		0x2c
+#define _OMAP_TIMER_TRIGGER_OFFSET	0x30
+#define _OMAP_TIMER_WRITE_PEND_OFFSET	0x34
+#define		WP_NONE			0	/* no write pending bit */
+#define		WP_TCLR			(1 << 0)
+#define		WP_TCRR			(1 << 1)
+#define		WP_TLDR			(1 << 2)
+#define		WP_TTGR			(1 << 3)
+#define		WP_TMAR			(1 << 4)
+#define		WP_TPIR			(1 << 5)
+#define		WP_TNIR			(1 << 6)
+#define		WP_TCVR			(1 << 7)
+#define		WP_TOCR			(1 << 8)
+#define		WP_TOWR			(1 << 9)
+#define _OMAP_TIMER_MATCH_OFFSET	0x38
+#define _OMAP_TIMER_CAPTURE_OFFSET	0x3c
+#define _OMAP_TIMER_IF_CTRL_OFFSET	0x40
+#define _OMAP_TIMER_CAPTURE2_OFFSET		0x44	/* TCAR2, 34xx only */
+#define _OMAP_TIMER_TICK_POS_OFFSET		0x48	/* TPIR, 34xx only */
+#define _OMAP_TIMER_TICK_NEG_OFFSET		0x4c	/* TNIR, 34xx only */
+#define _OMAP_TIMER_TICK_COUNT_OFFSET		0x50	/* TCVR, 34xx only */
+#define _OMAP_TIMER_TICK_INT_MASK_SET_OFFSET	0x54	/* TOCR, 34xx only */
+#define _OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET	0x58	/* TOWR, 34xx only */
+
+/* register offsets with the write pending bit encoded */
+#define	WPSHIFT					16
+
+#define OMAP_TIMER_ID_REG			(_OMAP_TIMER_ID_OFFSET \
+							| (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_OCP_CFG_REG			(_OMAP_TIMER_OCP_CFG_OFFSET \
+							| (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_SYS_STAT_REG			(_OMAP_TIMER_SYS_STAT_OFFSET \
+							| (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_STAT_REG			(_OMAP_TIMER_STAT_OFFSET \
+							| (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_INT_EN_REG			(_OMAP_TIMER_INT_EN_OFFSET \
+							| (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_WAKEUP_EN_REG		(_OMAP_TIMER_WAKEUP_EN_OFFSET \
+							| (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_CTRL_REG			(_OMAP_TIMER_CTRL_OFFSET \
+							| (WP_TCLR << WPSHIFT))
+
+#define OMAP_TIMER_COUNTER_REG			(_OMAP_TIMER_COUNTER_OFFSET \
+							| (WP_TCRR << WPSHIFT))
+
+#define OMAP_TIMER_LOAD_REG			(_OMAP_TIMER_LOAD_OFFSET \
+							| (WP_TLDR << WPSHIFT))
+
+#define OMAP_TIMER_TRIGGER_REG			(_OMAP_TIMER_TRIGGER_OFFSET \
+							| (WP_TTGR << WPSHIFT))
+
+#define OMAP_TIMER_WRITE_PEND_REG		(_OMAP_TIMER_WRITE_PEND_OFFSET \
+							| (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_MATCH_REG			(_OMAP_TIMER_MATCH_OFFSET \
+							| (WP_TMAR << WPSHIFT))
+
+#define OMAP_TIMER_CAPTURE_REG			(_OMAP_TIMER_CAPTURE_OFFSET \
+							| (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_IF_CTRL_REG			(_OMAP_TIMER_IF_CTRL_OFFSET \
+							| (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_CAPTURE2_REG			(_OMAP_TIMER_CAPTURE2_OFFSET \
+							| (WP_NONE << WPSHIFT))
+
+#define OMAP_TIMER_TICK_POS_REG			(_OMAP_TIMER_TICK_POS_OFFSET \
+							| (WP_TPIR << WPSHIFT))
+
+#define OMAP_TIMER_TICK_NEG_REG			(_OMAP_TIMER_TICK_NEG_OFFSET \
+							| (WP_TNIR << WPSHIFT))
+
+#define OMAP_TIMER_TICK_COUNT_REG		(_OMAP_TIMER_TICK_COUNT_OFFSET \
+							| (WP_TCVR << WPSHIFT))
+
+#define OMAP_TIMER_TICK_INT_MASK_SET_REG				\
+		(_OMAP_TIMER_TICK_INT_MASK_SET_OFFSET | (WP_TOCR << WPSHIFT))
+
+#define OMAP_TIMER_TICK_INT_MASK_COUNT_REG				\
+		(_OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET | (WP_TOWR << WPSHIFT))
+
+struct omap_dm_timer {
+	unsigned long phys_base;
+	int irq;
+#ifdef CONFIG_ARCH_OMAP2PLUS
+	struct clk *iclk, *fclk;
+#endif
+	void __iomem *io_base;
+	unsigned long rate;
+	unsigned reserved:1;
+	unsigned enabled:1;
+	unsigned posted:1;
+};
+
+extern u32 sys_timer_reserved;
+void omap_dm_timer_prepare(struct omap_dm_timer *timer);
+
+static inline u32 __omap_dm_timer_read(void __iomem *base, u32 reg,
+						int posted)
+{
+	if (posted)
+		while (__raw_readl(base + (OMAP_TIMER_WRITE_PEND_REG & 0xff))
+				& (reg >> WPSHIFT))
+			cpu_relax();
+
+	return __raw_readl(base + (reg & 0xff));
+}
+
+static inline void __omap_dm_timer_write(void __iomem *base, u32 reg, u32 val,
+						int posted)
+{
+	if (posted)
+		while (__raw_readl(base + (OMAP_TIMER_WRITE_PEND_REG & 0xff))
+				& (reg >> WPSHIFT))
+			cpu_relax();
+
+	__raw_writel(val, base + (reg & 0xff));
+}
+
+/* Assumes the source clock has been set by caller */
+static inline void __omap_dm_timer_reset(void __iomem *base, int autoidle,
+						int wakeup)
+{
+	u32 l;
+
+	l = __omap_dm_timer_read(base, OMAP_TIMER_OCP_CFG_REG, 0);
+	l |= 0x02 << 3;  /* Set to smart-idle mode */
+	l |= 0x2 << 8;   /* Set clock activity to perserve f-clock on idle */
+
+	if (autoidle)
+		l |= 0x1 << 0;
+
+	if (wakeup)
+		l |= 1 << 2;
+
+	__omap_dm_timer_write(base, OMAP_TIMER_OCP_CFG_REG, l, 0);
+
+	/* Match hardware reset default of posted mode */
+	__omap_dm_timer_write(base, OMAP_TIMER_IF_CTRL_REG,
+					OMAP_TIMER_CTRL_POSTED, 0);
+}
+
+static inline int __omap_dm_timer_set_source(struct clk *timer_fck,
+						struct clk *parent)
+{
+	int ret;
+
+	clk_disable(timer_fck);
+	ret = clk_set_parent(timer_fck, parent);
+	clk_enable(timer_fck);
+
+	/*
+	 * When the functional clock disappears, too quick writes seem
+	 * to cause an abort. XXX Is this still necessary?
+	 */
+	__delay(300000);
+
+	return ret;
+}
+
+static inline void __omap_dm_timer_stop(void __iomem *base, int posted,
+						unsigned long rate)
+{
+	u32 l;
+
+	l = __omap_dm_timer_read(base, OMAP_TIMER_CTRL_REG, posted);
+	if (l & OMAP_TIMER_CTRL_ST) {
+		l &= ~0x1;
+		__omap_dm_timer_write(base, OMAP_TIMER_CTRL_REG, l, posted);
+#ifdef CONFIG_ARCH_OMAP2PLUS
+		/* Readback to make sure write has completed */
+		__omap_dm_timer_read(base, OMAP_TIMER_CTRL_REG, posted);
+		/*
+		 * Wait for functional clock period x 3.5 to make sure that
+		 * timer is stopped
+		 */
+		udelay(3500000 / rate + 1);
+#endif
+	}
+
+	/* Ack possibly pending interrupt */
+	__omap_dm_timer_write(base, OMAP_TIMER_STAT_REG,
+					OMAP_TIMER_INT_OVERFLOW, 0);
+}
+
+static inline void __omap_dm_timer_load_start(void __iomem *base, u32 ctrl,
+						unsigned int load, int posted)
+{
+	__omap_dm_timer_write(base, OMAP_TIMER_COUNTER_REG, load, posted);
+	__omap_dm_timer_write(base, OMAP_TIMER_CTRL_REG, ctrl, posted);
+}
+
+static inline void __omap_dm_timer_int_enable(void __iomem *base,
+						unsigned int value)
+{
+	__omap_dm_timer_write(base, OMAP_TIMER_INT_EN_REG, value, 0);
+	__omap_dm_timer_write(base, OMAP_TIMER_WAKEUP_EN_REG, value, 0);
+}
+
+static inline unsigned int __omap_dm_timer_read_counter(void __iomem *base,
+							int posted)
+{
+	return __omap_dm_timer_read(base, OMAP_TIMER_COUNTER_REG, posted);
+}
+
+static inline void __omap_dm_timer_write_status(void __iomem *base,
+						unsigned int value)
+{
+	__omap_dm_timer_write(base, OMAP_TIMER_STAT_REG, value, 0);
+}
 
 #endif /* __ASM_ARCH_DMTIMER_H */
diff --git a/arch/arm/plat-omap/include/plat/irqs.h b/arch/arm/plat-omap/include/plat/irqs.h
index 5a25098ea7ea..c88432005665 100644
--- a/arch/arm/plat-omap/include/plat/irqs.h
+++ b/arch/arm/plat-omap/include/plat/irqs.h
@@ -428,7 +428,11 @@
 #define INTCPS_NR_IRQS		96
 
 #ifndef __ASSEMBLY__
-extern void omap_init_irq(void);
+extern void __iomem *omap_irq_base;
+void omap1_init_irq(void);
+void omap2_init_irq(void);
+void omap3_init_irq(void);
+void ti816x_init_irq(void);
 extern int omap_irq_pending(void);
 void omap_intc_save_context(void);
 void omap_intc_restore_context(void);
diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h
index f8f690ab2997..9882c657b2d4 100644
--- a/arch/arm/plat-omap/include/plat/mcbsp.h
+++ b/arch/arm/plat-omap/include/plat/mcbsp.h
@@ -24,7 +24,6 @@
 #ifndef __ASM_ARCH_OMAP_MCBSP_H
 #define __ASM_ARCH_OMAP_MCBSP_H
 
-#include <linux/completion.h>
 #include <linux/spinlock.h>
 
 #include <mach/hardware.h>
@@ -34,7 +33,7 @@
 #define OMAP_MCBSP_PLATFORM_DEVICE(port_nr)		\
 static struct platform_device omap_mcbsp##port_nr = {	\
 	.name	= "omap-mcbsp-dai",			\
-	.id	= OMAP_MCBSP##port_nr,			\
+	.id	= port_nr - 1,			\
 }
 
 #define MCBSP_CONFIG_TYPE2	0x2
@@ -333,18 +332,6 @@ struct omap_mcbsp_reg_cfg {
 };
 
 typedef enum {
-	OMAP_MCBSP1 = 0,
-	OMAP_MCBSP2,
-	OMAP_MCBSP3,
-	OMAP_MCBSP4,
-	OMAP_MCBSP5
-} omap_mcbsp_id;
-
-typedef int __bitwise omap_mcbsp_io_type_t;
-#define OMAP_MCBSP_IRQ_IO ((__force omap_mcbsp_io_type_t) 1)
-#define OMAP_MCBSP_POLL_IO ((__force omap_mcbsp_io_type_t) 2)
-
-typedef enum {
 	OMAP_MCBSP_WORD_8 = 0,
 	OMAP_MCBSP_WORD_12,
 	OMAP_MCBSP_WORD_16,
@@ -353,38 +340,6 @@ typedef enum {
 	OMAP_MCBSP_WORD_32,
 } omap_mcbsp_word_length;
 
-typedef enum {
-	OMAP_MCBSP_CLK_RISING = 0,
-	OMAP_MCBSP_CLK_FALLING,
-} omap_mcbsp_clk_polarity;
-
-typedef enum {
-	OMAP_MCBSP_FS_ACTIVE_HIGH = 0,
-	OMAP_MCBSP_FS_ACTIVE_LOW,
-} omap_mcbsp_fs_polarity;
-
-typedef enum {
-	OMAP_MCBSP_CLK_STP_MODE_NO_DELAY = 0,
-	OMAP_MCBSP_CLK_STP_MODE_DELAY,
-} omap_mcbsp_clk_stp_mode;
-
-
-/******* SPI specific mode **********/
-typedef enum {
-	OMAP_MCBSP_SPI_MASTER = 0,
-	OMAP_MCBSP_SPI_SLAVE,
-} omap_mcbsp_spi_mode;
-
-struct omap_mcbsp_spi_cfg {
-	omap_mcbsp_spi_mode		spi_mode;
-	omap_mcbsp_clk_polarity		rx_clock_polarity;
-	omap_mcbsp_clk_polarity		tx_clock_polarity;
-	omap_mcbsp_fs_polarity		fsx_polarity;
-	u8				clk_div;
-	omap_mcbsp_clk_stp_mode		clk_stp_mode;
-	omap_mcbsp_word_length		word_length;
-};
-
 /* Platform specific configuration */
 struct omap_mcbsp_ops {
 	void (*request)(unsigned int);
@@ -422,25 +377,13 @@ struct omap_mcbsp {
 	void __iomem *io_base;
 	u8 id;
 	u8 free;
-	omap_mcbsp_word_length rx_word_length;
-	omap_mcbsp_word_length tx_word_length;
 
-	omap_mcbsp_io_type_t io_type; /* IRQ or poll */
-	/* IRQ based TX/RX */
 	int rx_irq;
 	int tx_irq;
 
 	/* DMA stuff */
 	u8 dma_rx_sync;
-	short dma_rx_lch;
 	u8 dma_tx_sync;
-	short dma_tx_lch;
-
-	/* Completion queues */
-	struct completion tx_irq_completion;
-	struct completion rx_irq_completion;
-	struct completion tx_dma_completion;
-	struct completion rx_dma_completion;
 
 	/* Protect the field .free, while checking if the mcbsp is in use */
 	spinlock_t lock;
@@ -499,24 +442,9 @@ int omap_mcbsp_request(unsigned int id);
 void omap_mcbsp_free(unsigned int id);
 void omap_mcbsp_start(unsigned int id, int tx, int rx);
 void omap_mcbsp_stop(unsigned int id, int tx, int rx);
-void omap_mcbsp_xmit_word(unsigned int id, u32 word);
-u32 omap_mcbsp_recv_word(unsigned int id);
-
-int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int length);
-int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int length);
-int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word);
-int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 * word);
-
 
 /* McBSP functional clock source changing function */
 extern int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id);
-/* SPI specific API */
-void omap_mcbsp_set_spi_mode(unsigned int id, const struct omap_mcbsp_spi_cfg * spi_cfg);
-
-/* Polled read/write functions */
-int omap_mcbsp_pollread(unsigned int id, u16 * buf);
-int omap_mcbsp_pollwrite(unsigned int id, u16 buf);
-int omap_mcbsp_set_io_type(unsigned int id, omap_mcbsp_io_type_t io_type);
 
 /* McBSP signal muxing API */
 void omap2_mcbsp1_mux_clkr_src(u8 mux);
diff --git a/arch/arm/plat-omap/include/plat/nand.h b/arch/arm/plat-omap/include/plat/nand.h
index d86d1ecf0068..67fc5060183e 100644
--- a/arch/arm/plat-omap/include/plat/nand.h
+++ b/arch/arm/plat-omap/include/plat/nand.h
@@ -19,15 +19,11 @@ enum nand_io {
 };
 
 struct omap_nand_platform_data {
-	unsigned int		options;
 	int			cs;
-	int			gpio_irq;
 	struct mtd_partition	*parts;
 	struct gpmc_timings	*gpmc_t;
 	int			nr_parts;
-	int			(*nand_setup)(void);
-	int			(*dev_ready)(struct omap_nand_platform_data *);
-	int			dma_channel;
+	bool			dev_ready;
 	int			gpmc_irq;
 	enum nand_io		xfer_type;
 	unsigned long		phys_base;
diff --git a/arch/arm/plat-omap/include/plat/omap-pm.h b/arch/arm/plat-omap/include/plat/omap-pm.h
index c0a752053039..0840df813f4f 100644
--- a/arch/arm/plat-omap/include/plat/omap-pm.h
+++ b/arch/arm/plat-omap/include/plat/omap-pm.h
@@ -40,11 +40,7 @@
  * framework starts.  The "_if_" is to avoid name collisions with the
  * PM idle-loop code.
  */
-#ifdef CONFIG_OMAP_PM_NONE
-#define omap_pm_if_early_init() 0
-#else
 int __init omap_pm_if_early_init(void);
-#endif
 
 /**
  * omap_pm_if_init - OMAP PM init code called after clock fw init
@@ -52,11 +48,7 @@ int __init omap_pm_if_early_init(void);
  * The main initialization code.  OPP tables are passed in here.  The
  * "_if_" is to avoid name collisions with the PM idle-loop code.
  */
-#ifdef CONFIG_OMAP_PM_NONE
-#define omap_pm_if_init() 0
-#else
 int __init omap_pm_if_init(void);
-#endif
 
 /**
  * omap_pm_if_exit - OMAP PM exit code
diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index 1adea9c62984..ce06ac6a9709 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -77,7 +77,6 @@ extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2;
 #define HWMOD_IDLEMODE_FORCE		(1 << 0)
 #define HWMOD_IDLEMODE_NO		(1 << 1)
 #define HWMOD_IDLEMODE_SMART		(1 << 2)
-/* Slave idle mode flag only */
 #define HWMOD_IDLEMODE_SMART_WKUP	(1 << 3)
 
 /**
@@ -98,7 +97,7 @@ struct omap_hwmod_mux_info {
 /**
  * struct omap_hwmod_irq_info - MPU IRQs used by the hwmod
  * @name: name of the IRQ channel (module local name)
- * @irq_ch: IRQ channel ID
+ * @irq: IRQ channel ID (should be non-negative except -1 = terminator)
  *
  * @name should be something short, e.g., "tx" or "rx".  It is for use
  * by platform_get_resource_byname().  It is defined locally to the
@@ -106,13 +105,13 @@ struct omap_hwmod_mux_info {
  */
 struct omap_hwmod_irq_info {
 	const char	*name;
-	u16		irq;
+	s16		irq;
 };
 
 /**
  * struct omap_hwmod_dma_info - DMA channels used by the hwmod
  * @name: name of the DMA channel (module local name)
- * @dma_req: DMA request ID
+ * @dma_req: DMA request ID (should be non-negative except -1 = terminator)
  *
  * @name should be something short, e.g., "tx" or "rx".  It is for use
  * by platform_get_resource_byname().  It is defined locally to the
@@ -120,7 +119,7 @@ struct omap_hwmod_irq_info {
  */
 struct omap_hwmod_dma_info {
 	const char	*name;
-	u16		dma_req;
+	s16		dma_req;
 };
 
 /**
@@ -220,7 +219,6 @@ struct omap_hwmod_addr_space {
  * @clk: interface clock: OMAP clock name
  * @_clk: pointer to the interface struct clk (filled in at runtime)
  * @fw: interface firewall data
- * @addr_cnt: ARRAY_SIZE(@addr)
  * @width: OCP data width
  * @user: initiators using this interface (see OCP_USER_* macros above)
  * @flags: OCP interface flags (see OCPIF_* macros above)
@@ -239,7 +237,6 @@ struct omap_hwmod_ocp_if {
 	union {
 		struct omap_hwmod_omap2_firewall omap2;
 	}				fw;
-	u8				addr_cnt;
 	u8				width;
 	u8				user;
 	u8				flags;
@@ -258,6 +255,7 @@ struct omap_hwmod_ocp_if {
 #define MSTANDBY_FORCE		(HWMOD_IDLEMODE_FORCE << MASTER_STANDBY_SHIFT)
 #define MSTANDBY_NO		(HWMOD_IDLEMODE_NO << MASTER_STANDBY_SHIFT)
 #define MSTANDBY_SMART		(HWMOD_IDLEMODE_SMART << MASTER_STANDBY_SHIFT)
+#define MSTANDBY_SMART_WKUP	(HWMOD_IDLEMODE_SMART_WKUP << MASTER_STANDBY_SHIFT)
 
 /* omap_hwmod_sysconfig.sysc_flags capability flags */
 #define SYSC_HAS_AUTOIDLE	(1 << 0)
@@ -468,8 +466,8 @@ struct omap_hwmod_class {
  * @name: name of the hwmod
  * @class: struct omap_hwmod_class * to the class of this hwmod
  * @od: struct omap_device currently associated with this hwmod (internal use)
- * @mpu_irqs: ptr to an array of MPU IRQs (see also mpu_irqs_cnt)
- * @sdma_reqs: ptr to an array of System DMA request IDs (see sdma_reqs_cnt)
+ * @mpu_irqs: ptr to an array of MPU IRQs
+ * @sdma_reqs: ptr to an array of System DMA request IDs
  * @prcm: PRCM data pertaining to this hwmod
  * @main_clk: main clock: OMAP clock name
  * @_clk: pointer to the main struct clk (filled in at runtime)
@@ -482,8 +480,6 @@ struct omap_hwmod_class {
  * @_sysc_cache: internal-use hwmod flags
  * @_mpu_rt_va: cached register target start address (internal use)
  * @_mpu_port_index: cached MPU register target slave ID (internal use)
- * @mpu_irqs_cnt: number of @mpu_irqs
- * @sdma_reqs_cnt: number of @sdma_reqs
  * @opt_clks_cnt: number of @opt_clks
  * @master_cnt: number of @master entries
  * @slaves_cnt: number of @slave entries
@@ -531,8 +527,6 @@ struct omap_hwmod {
 	u16				flags;
 	u8				_mpu_port_index;
 	u8				response_lat;
-	u8				mpu_irqs_cnt;
-	u8				sdma_reqs_cnt;
 	u8				rst_lines_cnt;
 	u8				opt_clks_cnt;
 	u8				masters_cnt;
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index 5587acf0eb2c..3c1fbdc92468 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -16,8 +16,6 @@
 #include <linux/init.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
-#include <linux/wait.h>
-#include <linux/completion.h>
 #include <linux/interrupt.h>
 #include <linux/err.h>
 #include <linux/clk.h>
@@ -25,7 +23,6 @@
 #include <linux/io.h>
 #include <linux/slab.h>
 
-#include <plat/dma.h>
 #include <plat/mcbsp.h>
 #include <plat/omap_device.h>
 #include <linux/pm_runtime.h>
@@ -136,8 +133,6 @@ static irqreturn_t omap_mcbsp_tx_irq_handler(int irq, void *dev_id)
 			irqst_spcr2);
 		/* Writing zero to XSYNC_ERR clears the IRQ */
 		MCBSP_WRITE(mcbsp_tx, SPCR2, MCBSP_READ_CACHE(mcbsp_tx, SPCR2));
-	} else {
-		complete(&mcbsp_tx->tx_irq_completion);
 	}
 
 	return IRQ_HANDLED;
@@ -156,41 +151,11 @@ static irqreturn_t omap_mcbsp_rx_irq_handler(int irq, void *dev_id)
 			irqst_spcr1);
 		/* Writing zero to RSYNC_ERR clears the IRQ */
 		MCBSP_WRITE(mcbsp_rx, SPCR1, MCBSP_READ_CACHE(mcbsp_rx, SPCR1));
-	} else {
-		complete(&mcbsp_rx->rx_irq_completion);
 	}
 
 	return IRQ_HANDLED;
 }
 
-static void omap_mcbsp_tx_dma_callback(int lch, u16 ch_status, void *data)
-{
-	struct omap_mcbsp *mcbsp_dma_tx = data;
-
-	dev_dbg(mcbsp_dma_tx->dev, "TX DMA callback : 0x%x\n",
-		MCBSP_READ(mcbsp_dma_tx, SPCR2));
-
-	/* We can free the channels */
-	omap_free_dma(mcbsp_dma_tx->dma_tx_lch);
-	mcbsp_dma_tx->dma_tx_lch = -1;
-
-	complete(&mcbsp_dma_tx->tx_dma_completion);
-}
-
-static void omap_mcbsp_rx_dma_callback(int lch, u16 ch_status, void *data)
-{
-	struct omap_mcbsp *mcbsp_dma_rx = data;
-
-	dev_dbg(mcbsp_dma_rx->dev, "RX DMA callback : 0x%x\n",
-		MCBSP_READ(mcbsp_dma_rx, SPCR2));
-
-	/* We can free the channels */
-	omap_free_dma(mcbsp_dma_rx->dma_rx_lch);
-	mcbsp_dma_rx->dma_rx_lch = -1;
-
-	complete(&mcbsp_dma_rx->rx_dma_completion);
-}
-
 /*
  * omap_mcbsp_config simply write a config to the
  * appropriate McBSP.
@@ -758,37 +723,6 @@ static inline void omap_st_start(struct omap_mcbsp *mcbsp) {}
 static inline void omap_st_stop(struct omap_mcbsp *mcbsp) {}
 #endif
 
-/*
- * We can choose between IRQ based or polled IO.
- * This needs to be called before omap_mcbsp_request().
- */
-int omap_mcbsp_set_io_type(unsigned int id, omap_mcbsp_io_type_t io_type)
-{
-	struct omap_mcbsp *mcbsp;
-
-	if (!omap_mcbsp_check_valid_id(id)) {
-		printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
-		return -ENODEV;
-	}
-	mcbsp = id_to_mcbsp_ptr(id);
-
-	spin_lock(&mcbsp->lock);
-
-	if (!mcbsp->free) {
-		dev_err(mcbsp->dev, "McBSP%d is currently in use\n",
-			mcbsp->id);
-		spin_unlock(&mcbsp->lock);
-		return -EINVAL;
-	}
-
-	mcbsp->io_type = io_type;
-
-	spin_unlock(&mcbsp->lock);
-
-	return 0;
-}
-EXPORT_SYMBOL(omap_mcbsp_set_io_type);
-
 int omap_mcbsp_request(unsigned int id)
 {
 	struct omap_mcbsp *mcbsp;
@@ -833,29 +767,24 @@ int omap_mcbsp_request(unsigned int id)
 	MCBSP_WRITE(mcbsp, SPCR1, 0);
 	MCBSP_WRITE(mcbsp, SPCR2, 0);
 
-	if (mcbsp->io_type == OMAP_MCBSP_IRQ_IO) {
-		/* We need to get IRQs here */
-		init_completion(&mcbsp->tx_irq_completion);
-		err = request_irq(mcbsp->tx_irq, omap_mcbsp_tx_irq_handler,
-					0, "McBSP", (void *)mcbsp);
+	err = request_irq(mcbsp->tx_irq, omap_mcbsp_tx_irq_handler,
+				0, "McBSP", (void *)mcbsp);
+	if (err != 0) {
+		dev_err(mcbsp->dev, "Unable to request TX IRQ %d "
+				"for McBSP%d\n", mcbsp->tx_irq,
+				mcbsp->id);
+		goto err_clk_disable;
+	}
+
+	if (mcbsp->rx_irq) {
+		err = request_irq(mcbsp->rx_irq,
+				omap_mcbsp_rx_irq_handler,
+				0, "McBSP", (void *)mcbsp);
 		if (err != 0) {
-			dev_err(mcbsp->dev, "Unable to request TX IRQ %d "
-					"for McBSP%d\n", mcbsp->tx_irq,
+			dev_err(mcbsp->dev, "Unable to request RX IRQ %d "
+					"for McBSP%d\n", mcbsp->rx_irq,
 					mcbsp->id);
-			goto err_clk_disable;
-		}
-
-		if (mcbsp->rx_irq) {
-			init_completion(&mcbsp->rx_irq_completion);
-			err = request_irq(mcbsp->rx_irq,
-					omap_mcbsp_rx_irq_handler,
-					0, "McBSP", (void *)mcbsp);
-			if (err != 0) {
-				dev_err(mcbsp->dev, "Unable to request RX IRQ %d "
-						"for McBSP%d\n", mcbsp->rx_irq,
-						mcbsp->id);
-				goto err_free_irq;
-			}
+			goto err_free_irq;
 		}
 	}
 
@@ -901,12 +830,9 @@ void omap_mcbsp_free(unsigned int id)
 
 	pm_runtime_put_sync(mcbsp->dev);
 
-	if (mcbsp->io_type == OMAP_MCBSP_IRQ_IO) {
-		/* Free IRQs */
-		if (mcbsp->rx_irq)
-			free_irq(mcbsp->rx_irq, (void *)mcbsp);
-		free_irq(mcbsp->tx_irq, (void *)mcbsp);
-	}
+	if (mcbsp->rx_irq)
+		free_irq(mcbsp->rx_irq, (void *)mcbsp);
+	free_irq(mcbsp->tx_irq, (void *)mcbsp);
 
 	reg_cache = mcbsp->reg_cache;
 
@@ -943,9 +869,6 @@ void omap_mcbsp_start(unsigned int id, int tx, int rx)
 	if (cpu_is_omap34xx())
 		omap_st_start(mcbsp);
 
-	mcbsp->rx_word_length = (MCBSP_READ_CACHE(mcbsp, RCR1) >> 5) & 0x7;
-	mcbsp->tx_word_length = (MCBSP_READ_CACHE(mcbsp, XCR1) >> 5) & 0x7;
-
 	/* Only enable SRG, if McBSP is master */
 	w = MCBSP_READ_CACHE(mcbsp, PCR0);
 	if (w & (FSXM | FSRM | CLKXM | CLKRM))
@@ -1043,485 +966,6 @@ void omap_mcbsp_stop(unsigned int id, int tx, int rx)
 }
 EXPORT_SYMBOL(omap_mcbsp_stop);
 
-/* polled mcbsp i/o operations */
-int omap_mcbsp_pollwrite(unsigned int id, u16 buf)
-{
-	struct omap_mcbsp *mcbsp;
-
-	if (!omap_mcbsp_check_valid_id(id)) {
-		printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
-		return -ENODEV;
-	}
-
-	mcbsp = id_to_mcbsp_ptr(id);
-
-	MCBSP_WRITE(mcbsp, DXR1, buf);
-	/* if frame sync error - clear the error */
-	if (MCBSP_READ(mcbsp, SPCR2) & XSYNC_ERR) {
-		/* clear error */
-		MCBSP_WRITE(mcbsp, SPCR2, MCBSP_READ_CACHE(mcbsp, SPCR2));
-		/* resend */
-		return -1;
-	} else {
-		/* wait for transmit confirmation */
-		int attemps = 0;
-		while (!(MCBSP_READ(mcbsp, SPCR2) & XRDY)) {
-			if (attemps++ > 1000) {
-				MCBSP_WRITE(mcbsp, SPCR2,
-						MCBSP_READ_CACHE(mcbsp, SPCR2) &
-						(~XRST));
-				udelay(10);
-				MCBSP_WRITE(mcbsp, SPCR2,
-						MCBSP_READ_CACHE(mcbsp, SPCR2) |
-						(XRST));
-				udelay(10);
-				dev_err(mcbsp->dev, "Could not write to"
-					" McBSP%d Register\n", mcbsp->id);
-				return -2;
-			}
-		}
-	}
-
-	return 0;
-}
-EXPORT_SYMBOL(omap_mcbsp_pollwrite);
-
-int omap_mcbsp_pollread(unsigned int id, u16 *buf)
-{
-	struct omap_mcbsp *mcbsp;
-
-	if (!omap_mcbsp_check_valid_id(id)) {
-		printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
-		return -ENODEV;
-	}
-	mcbsp = id_to_mcbsp_ptr(id);
-
-	/* if frame sync error - clear the error */
-	if (MCBSP_READ(mcbsp, SPCR1) & RSYNC_ERR) {
-		/* clear error */
-		MCBSP_WRITE(mcbsp, SPCR1, MCBSP_READ_CACHE(mcbsp, SPCR1));
-		/* resend */
-		return -1;
-	} else {
-		/* wait for receive confirmation */
-		int attemps = 0;
-		while (!(MCBSP_READ(mcbsp, SPCR1) & RRDY)) {
-			if (attemps++ > 1000) {
-				MCBSP_WRITE(mcbsp, SPCR1,
-						MCBSP_READ_CACHE(mcbsp, SPCR1) &
-						(~RRST));
-				udelay(10);
-				MCBSP_WRITE(mcbsp, SPCR1,
-						MCBSP_READ_CACHE(mcbsp, SPCR1) |
-						(RRST));
-				udelay(10);
-				dev_err(mcbsp->dev, "Could not read from"
-					" McBSP%d Register\n", mcbsp->id);
-				return -2;
-			}
-		}
-	}
-	*buf = MCBSP_READ(mcbsp, DRR1);
-
-	return 0;
-}
-EXPORT_SYMBOL(omap_mcbsp_pollread);
-
-/*
- * IRQ based word transmission.
- */
-void omap_mcbsp_xmit_word(unsigned int id, u32 word)
-{
-	struct omap_mcbsp *mcbsp;
-	omap_mcbsp_word_length word_length;
-
-	if (!omap_mcbsp_check_valid_id(id)) {
-		printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
-		return;
-	}
-
-	mcbsp = id_to_mcbsp_ptr(id);
-	word_length = mcbsp->tx_word_length;
-
-	wait_for_completion(&mcbsp->tx_irq_completion);
-
-	if (word_length > OMAP_MCBSP_WORD_16)
-		MCBSP_WRITE(mcbsp, DXR2, word >> 16);
-	MCBSP_WRITE(mcbsp, DXR1, word & 0xffff);
-}
-EXPORT_SYMBOL(omap_mcbsp_xmit_word);
-
-u32 omap_mcbsp_recv_word(unsigned int id)
-{
-	struct omap_mcbsp *mcbsp;
-	u16 word_lsb, word_msb = 0;
-	omap_mcbsp_word_length word_length;
-
-	if (!omap_mcbsp_check_valid_id(id)) {
-		printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
-		return -ENODEV;
-	}
-	mcbsp = id_to_mcbsp_ptr(id);
-
-	word_length = mcbsp->rx_word_length;
-
-	wait_for_completion(&mcbsp->rx_irq_completion);
-
-	if (word_length > OMAP_MCBSP_WORD_16)
-		word_msb = MCBSP_READ(mcbsp, DRR2);
-	word_lsb = MCBSP_READ(mcbsp, DRR1);
-
-	return (word_lsb | (word_msb << 16));
-}
-EXPORT_SYMBOL(omap_mcbsp_recv_word);
-
-int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word)
-{
-	struct omap_mcbsp *mcbsp;
-	omap_mcbsp_word_length tx_word_length;
-	omap_mcbsp_word_length rx_word_length;
-	u16 spcr2, spcr1, attempts = 0, word_lsb, word_msb = 0;
-
-	if (!omap_mcbsp_check_valid_id(id)) {
-		printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
-		return -ENODEV;
-	}
-	mcbsp = id_to_mcbsp_ptr(id);
-	tx_word_length = mcbsp->tx_word_length;
-	rx_word_length = mcbsp->rx_word_length;
-
-	if (tx_word_length != rx_word_length)
-		return -EINVAL;
-
-	/* First we wait for the transmitter to be ready */
-	spcr2 = MCBSP_READ(mcbsp, SPCR2);
-	while (!(spcr2 & XRDY)) {
-		spcr2 = MCBSP_READ(mcbsp, SPCR2);
-		if (attempts++ > 1000) {
-			/* We must reset the transmitter */
-			MCBSP_WRITE(mcbsp, SPCR2,
-				    MCBSP_READ_CACHE(mcbsp, SPCR2) & (~XRST));
-			udelay(10);
-			MCBSP_WRITE(mcbsp, SPCR2,
-				    MCBSP_READ_CACHE(mcbsp, SPCR2) | XRST);
-			udelay(10);
-			dev_err(mcbsp->dev, "McBSP%d transmitter not "
-				"ready\n", mcbsp->id);
-			return -EAGAIN;
-		}
-	}
-
-	/* Now we can push the data */
-	if (tx_word_length > OMAP_MCBSP_WORD_16)
-		MCBSP_WRITE(mcbsp, DXR2, word >> 16);
-	MCBSP_WRITE(mcbsp, DXR1, word & 0xffff);
-
-	/* We wait for the receiver to be ready */
-	spcr1 = MCBSP_READ(mcbsp, SPCR1);
-	while (!(spcr1 & RRDY)) {
-		spcr1 = MCBSP_READ(mcbsp, SPCR1);
-		if (attempts++ > 1000) {
-			/* We must reset the receiver */
-			MCBSP_WRITE(mcbsp, SPCR1,
-				    MCBSP_READ_CACHE(mcbsp, SPCR1) & (~RRST));
-			udelay(10);
-			MCBSP_WRITE(mcbsp, SPCR1,
-				    MCBSP_READ_CACHE(mcbsp, SPCR1) | RRST);
-			udelay(10);
-			dev_err(mcbsp->dev, "McBSP%d receiver not "
-				"ready\n", mcbsp->id);
-			return -EAGAIN;
-		}
-	}
-
-	/* Receiver is ready, let's read the dummy data */
-	if (rx_word_length > OMAP_MCBSP_WORD_16)
-		word_msb = MCBSP_READ(mcbsp, DRR2);
-	word_lsb = MCBSP_READ(mcbsp, DRR1);
-
-	return 0;
-}
-EXPORT_SYMBOL(omap_mcbsp_spi_master_xmit_word_poll);
-
-int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 *word)
-{
-	struct omap_mcbsp *mcbsp;
-	u32 clock_word = 0;
-	omap_mcbsp_word_length tx_word_length;
-	omap_mcbsp_word_length rx_word_length;
-	u16 spcr2, spcr1, attempts = 0, word_lsb, word_msb = 0;
-
-	if (!omap_mcbsp_check_valid_id(id)) {
-		printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
-		return -ENODEV;
-	}
-
-	mcbsp = id_to_mcbsp_ptr(id);
-
-	tx_word_length = mcbsp->tx_word_length;
-	rx_word_length = mcbsp->rx_word_length;
-
-	if (tx_word_length != rx_word_length)
-		return -EINVAL;
-
-	/* First we wait for the transmitter to be ready */
-	spcr2 = MCBSP_READ(mcbsp, SPCR2);
-	while (!(spcr2 & XRDY)) {
-		spcr2 = MCBSP_READ(mcbsp, SPCR2);
-		if (attempts++ > 1000) {
-			/* We must reset the transmitter */
-			MCBSP_WRITE(mcbsp, SPCR2,
-				    MCBSP_READ_CACHE(mcbsp, SPCR2) & (~XRST));
-			udelay(10);
-			MCBSP_WRITE(mcbsp, SPCR2,
-				    MCBSP_READ_CACHE(mcbsp, SPCR2) | XRST);
-			udelay(10);
-			dev_err(mcbsp->dev, "McBSP%d transmitter not "
-				"ready\n", mcbsp->id);
-			return -EAGAIN;
-		}
-	}
-
-	/* We first need to enable the bus clock */
-	if (tx_word_length > OMAP_MCBSP_WORD_16)
-		MCBSP_WRITE(mcbsp, DXR2, clock_word >> 16);
-	MCBSP_WRITE(mcbsp, DXR1, clock_word & 0xffff);
-
-	/* We wait for the receiver to be ready */
-	spcr1 = MCBSP_READ(mcbsp, SPCR1);
-	while (!(spcr1 & RRDY)) {
-		spcr1 = MCBSP_READ(mcbsp, SPCR1);
-		if (attempts++ > 1000) {
-			/* We must reset the receiver */
-			MCBSP_WRITE(mcbsp, SPCR1,
-				    MCBSP_READ_CACHE(mcbsp, SPCR1) & (~RRST));
-			udelay(10);
-			MCBSP_WRITE(mcbsp, SPCR1,
-				    MCBSP_READ_CACHE(mcbsp, SPCR1) | RRST);
-			udelay(10);
-			dev_err(mcbsp->dev, "McBSP%d receiver not "
-				"ready\n", mcbsp->id);
-			return -EAGAIN;
-		}
-	}
-
-	/* Receiver is ready, there is something for us */
-	if (rx_word_length > OMAP_MCBSP_WORD_16)
-		word_msb = MCBSP_READ(mcbsp, DRR2);
-	word_lsb = MCBSP_READ(mcbsp, DRR1);
-
-	word[0] = (word_lsb | (word_msb << 16));
-
-	return 0;
-}
-EXPORT_SYMBOL(omap_mcbsp_spi_master_recv_word_poll);
-
-/*
- * Simple DMA based buffer rx/tx routines.
- * Nothing fancy, just a single buffer tx/rx through DMA.
- * The DMA resources are released once the transfer is done.
- * For anything fancier, you should use your own customized DMA
- * routines and callbacks.
- */
-int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer,
-				unsigned int length)
-{
-	struct omap_mcbsp *mcbsp;
-	int dma_tx_ch;
-	int src_port = 0;
-	int dest_port = 0;
-	int sync_dev = 0;
-
-	if (!omap_mcbsp_check_valid_id(id)) {
-		printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
-		return -ENODEV;
-	}
-	mcbsp = id_to_mcbsp_ptr(id);
-
-	if (omap_request_dma(mcbsp->dma_tx_sync, "McBSP TX",
-				omap_mcbsp_tx_dma_callback,
-				mcbsp,
-				&dma_tx_ch)) {
-		dev_err(mcbsp->dev, " Unable to request DMA channel for "
-				"McBSP%d TX. Trying IRQ based TX\n",
-				mcbsp->id);
-		return -EAGAIN;
-	}
-	mcbsp->dma_tx_lch = dma_tx_ch;
-
-	dev_err(mcbsp->dev, "McBSP%d TX DMA on channel %d\n", mcbsp->id,
-		dma_tx_ch);
-
-	init_completion(&mcbsp->tx_dma_completion);
-
-	if (cpu_class_is_omap1()) {
-		src_port = OMAP_DMA_PORT_TIPB;
-		dest_port = OMAP_DMA_PORT_EMIFF;
-	}
-	if (cpu_class_is_omap2())
-		sync_dev = mcbsp->dma_tx_sync;
-
-	omap_set_dma_transfer_params(mcbsp->dma_tx_lch,
-				     OMAP_DMA_DATA_TYPE_S16,
-				     length >> 1, 1,
-				     OMAP_DMA_SYNC_ELEMENT,
-	 sync_dev, 0);
-
-	omap_set_dma_dest_params(mcbsp->dma_tx_lch,
-				 src_port,
-				 OMAP_DMA_AMODE_CONSTANT,
-				 mcbsp->phys_base + OMAP_MCBSP_REG_DXR1,
-				 0, 0);
-
-	omap_set_dma_src_params(mcbsp->dma_tx_lch,
-				dest_port,
-				OMAP_DMA_AMODE_POST_INC,
-				buffer,
-				0, 0);
-
-	omap_start_dma(mcbsp->dma_tx_lch);
-	wait_for_completion(&mcbsp->tx_dma_completion);
-
-	return 0;
-}
-EXPORT_SYMBOL(omap_mcbsp_xmit_buffer);
-
-int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer,
-				unsigned int length)
-{
-	struct omap_mcbsp *mcbsp;
-	int dma_rx_ch;
-	int src_port = 0;
-	int dest_port = 0;
-	int sync_dev = 0;
-
-	if (!omap_mcbsp_check_valid_id(id)) {
-		printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
-		return -ENODEV;
-	}
-	mcbsp = id_to_mcbsp_ptr(id);
-
-	if (omap_request_dma(mcbsp->dma_rx_sync, "McBSP RX",
-				omap_mcbsp_rx_dma_callback,
-				mcbsp,
-				&dma_rx_ch)) {
-		dev_err(mcbsp->dev, "Unable to request DMA channel for "
-				"McBSP%d RX. Trying IRQ based RX\n",
-				mcbsp->id);
-		return -EAGAIN;
-	}
-	mcbsp->dma_rx_lch = dma_rx_ch;
-
-	dev_err(mcbsp->dev, "McBSP%d RX DMA on channel %d\n", mcbsp->id,
-		dma_rx_ch);
-
-	init_completion(&mcbsp->rx_dma_completion);
-
-	if (cpu_class_is_omap1()) {
-		src_port = OMAP_DMA_PORT_TIPB;
-		dest_port = OMAP_DMA_PORT_EMIFF;
-	}
-	if (cpu_class_is_omap2())
-		sync_dev = mcbsp->dma_rx_sync;
-
-	omap_set_dma_transfer_params(mcbsp->dma_rx_lch,
-					OMAP_DMA_DATA_TYPE_S16,
-					length >> 1, 1,
-					OMAP_DMA_SYNC_ELEMENT,
-					sync_dev, 0);
-
-	omap_set_dma_src_params(mcbsp->dma_rx_lch,
-				src_port,
-				OMAP_DMA_AMODE_CONSTANT,
-				mcbsp->phys_base + OMAP_MCBSP_REG_DRR1,
-				0, 0);
-
-	omap_set_dma_dest_params(mcbsp->dma_rx_lch,
-					dest_port,
-					OMAP_DMA_AMODE_POST_INC,
-					buffer,
-					0, 0);
-
-	omap_start_dma(mcbsp->dma_rx_lch);
-	wait_for_completion(&mcbsp->rx_dma_completion);
-
-	return 0;
-}
-EXPORT_SYMBOL(omap_mcbsp_recv_buffer);
-
-/*
- * SPI wrapper.
- * Since SPI setup is much simpler than the generic McBSP one,
- * this wrapper just need an omap_mcbsp_spi_cfg structure as an input.
- * Once this is done, you can call omap_mcbsp_start().
- */
-void omap_mcbsp_set_spi_mode(unsigned int id,
-				const struct omap_mcbsp_spi_cfg *spi_cfg)
-{
-	struct omap_mcbsp *mcbsp;
-	struct omap_mcbsp_reg_cfg mcbsp_cfg;
-
-	if (!omap_mcbsp_check_valid_id(id)) {
-		printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
-		return;
-	}
-	mcbsp = id_to_mcbsp_ptr(id);
-
-	memset(&mcbsp_cfg, 0, sizeof(struct omap_mcbsp_reg_cfg));
-
-	/* SPI has only one frame */
-	mcbsp_cfg.rcr1 |= (RWDLEN1(spi_cfg->word_length) | RFRLEN1(0));
-	mcbsp_cfg.xcr1 |= (XWDLEN1(spi_cfg->word_length) | XFRLEN1(0));
-
-	/* Clock stop mode */
-	if (spi_cfg->clk_stp_mode == OMAP_MCBSP_CLK_STP_MODE_NO_DELAY)
-		mcbsp_cfg.spcr1 |= (1 << 12);
-	else
-		mcbsp_cfg.spcr1 |= (3 << 11);
-
-	/* Set clock parities */
-	if (spi_cfg->rx_clock_polarity == OMAP_MCBSP_CLK_RISING)
-		mcbsp_cfg.pcr0 |= CLKRP;
-	else
-		mcbsp_cfg.pcr0 &= ~CLKRP;
-
-	if (spi_cfg->tx_clock_polarity == OMAP_MCBSP_CLK_RISING)
-		mcbsp_cfg.pcr0 &= ~CLKXP;
-	else
-		mcbsp_cfg.pcr0 |= CLKXP;
-
-	/* Set SCLKME to 0 and CLKSM to 1 */
-	mcbsp_cfg.pcr0 &= ~SCLKME;
-	mcbsp_cfg.srgr2 |= CLKSM;
-
-	/* Set FSXP */
-	if (spi_cfg->fsx_polarity == OMAP_MCBSP_FS_ACTIVE_HIGH)
-		mcbsp_cfg.pcr0 &= ~FSXP;
-	else
-		mcbsp_cfg.pcr0 |= FSXP;
-
-	if (spi_cfg->spi_mode == OMAP_MCBSP_SPI_MASTER) {
-		mcbsp_cfg.pcr0 |= CLKXM;
-		mcbsp_cfg.srgr1 |= CLKGDV(spi_cfg->clk_div - 1);
-		mcbsp_cfg.pcr0 |= FSXM;
-		mcbsp_cfg.srgr2 &= ~FSGM;
-		mcbsp_cfg.xcr2 |= XDATDLY(1);
-		mcbsp_cfg.rcr2 |= RDATDLY(1);
-	} else {
-		mcbsp_cfg.pcr0 &= ~CLKXM;
-		mcbsp_cfg.srgr1 |= CLKGDV(1);
-		mcbsp_cfg.pcr0 &= ~FSXM;
-		mcbsp_cfg.xcr2 &= ~XDATDLY(3);
-		mcbsp_cfg.rcr2 &= ~RDATDLY(3);
-	}
-
-	mcbsp_cfg.xcr2 &= ~XPHASE;
-	mcbsp_cfg.rcr2 &= ~RPHASE;
-
-	omap_mcbsp_config(id, &mcbsp_cfg);
-}
-EXPORT_SYMBOL(omap_mcbsp_set_spi_mode);
-
 #ifdef CONFIG_ARCH_OMAP3
 #define max_thres(m)			(mcbsp->pdata->buffer_size)
 #define valid_threshold(m, val)		((val) <= max_thres(m))
@@ -1833,8 +1277,6 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
 	spin_lock_init(&mcbsp->lock);
 	mcbsp->id = id + 1;
 	mcbsp->free = true;
-	mcbsp->dma_tx_lch = -1;
-	mcbsp->dma_rx_lch = -1;
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mpu");
 	if (!res) {
@@ -1860,9 +1302,6 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
 	else
 		mcbsp->phys_dma_base = res->start;
 
-	/* Default I/O is IRQ based */
-	mcbsp->io_type = OMAP_MCBSP_IRQ_IO;
-
 	mcbsp->tx_irq = platform_get_irq_byname(pdev, "tx");
 	mcbsp->rx_irq = platform_get_irq_byname(pdev, "rx");
 
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index 2526fa312b8a..3471c650743b 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -236,11 +236,6 @@ static int _omap_device_deactivate(struct omap_device *od, u8 ignore_lat)
 	return 0;
 }
 
-static inline struct omap_device *_find_by_pdev(struct platform_device *pdev)
-{
-	return container_of(pdev, struct omap_device, pdev);
-}
-
 /**
  * _add_optional_clock_clkdev - Add clkdev entry for hwmod optional clocks
  * @od: struct omap_device *od
@@ -316,7 +311,7 @@ u32 omap_device_get_context_loss_count(struct platform_device *pdev)
 	struct omap_device *od;
 	u32 ret = 0;
 
-	od = _find_by_pdev(pdev);
+	od = to_omap_device(pdev);
 
 	if (od->hwmods_cnt)
 		ret = omap_hwmod_get_context_loss_count(od->hwmods[0]);
@@ -654,7 +649,7 @@ int omap_device_enable(struct platform_device *pdev)
 	int ret;
 	struct omap_device *od;
 
-	od = _find_by_pdev(pdev);
+	od = to_omap_device(pdev);
 
 	if (od->_state == OMAP_DEVICE_STATE_ENABLED) {
 		WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n",
@@ -693,7 +688,7 @@ int omap_device_idle(struct platform_device *pdev)
 	int ret;
 	struct omap_device *od;
 
-	od = _find_by_pdev(pdev);
+	od = to_omap_device(pdev);
 
 	if (od->_state != OMAP_DEVICE_STATE_ENABLED) {
 		WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n",
@@ -724,7 +719,7 @@ int omap_device_shutdown(struct platform_device *pdev)
 	int ret, i;
 	struct omap_device *od;
 
-	od = _find_by_pdev(pdev);
+	od = to_omap_device(pdev);
 
 	if (od->_state != OMAP_DEVICE_STATE_ENABLED &&
 	    od->_state != OMAP_DEVICE_STATE_IDLE) {
@@ -765,7 +760,7 @@ int omap_device_align_pm_lat(struct platform_device *pdev,
 	int ret = -EINVAL;
 	struct omap_device *od;
 
-	od = _find_by_pdev(pdev);
+	od = to_omap_device(pdev);
 
 	if (new_wakeup_lat_limit == od->dev_wakeup_lat)
 		return 0;