7 files changed, 49 insertions, 99 deletions

diff --git a/arch/arm/mach-omap1/ams-delta-fiq-handler.S b/arch/arm/mach-omap1/ams-delta-fiq-handler.S
index 927d5a18176..c1c5fb6a5b4 100644
--- a/arch/arm/mach-omap1/ams-delta-fiq-handler.S
+++ b/arch/arm/mach-omap1/ams-delta-fiq-handler.S
@@ -79,7 +79,7 @@
 
 
 /*
- * Register useage
+ * Register usage
  * r8  - temporary
  * r9  - the driver buffer
  * r10 - temporary
diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c
index d41fe2d0616..0ad781db4e6 100644
--- a/arch/arm/mach-omap1/board-sx1.c
+++ b/arch/arm/mach-omap1/board-sx1.c
@@ -399,7 +399,7 @@ static void __init omap_sx1_init(void)
 	sx1_mmc_init();
 
 	/* turn on USB power */
-	/* sx1_setusbpower(1); cant do it here because i2c is not ready */
+	/* sx1_setusbpower(1); can't do it here because i2c is not ready */
 	gpio_request(1, "A_IRDA_OFF");
 	gpio_request(11, "A_SWITCH");
 	gpio_request(15, "A_USB_ON");
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index b0f4c231595..36f26c3fa25 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -281,7 +281,7 @@ static inline void omap_init_audio(void) {}
  * Claiming GPIOs, and setting their direction and initial values, is the
  * responsibility of the device drivers.  So is responding to probe().
  *
- * Board-specific knowlege like creating devices or pin setup is to be
+ * Board-specific knowledge like creating devices or pin setup is to be
  * kept out of drivers as much as possible.  In particular, pin setup
  * may be handled by the boot loader, and drivers should expect it will
  * normally have been done by the time they're probed.
diff --git a/arch/arm/mach-omap1/flash.c b/arch/arm/mach-omap1/flash.c
index acd16166640..1749cb37dda 100644
--- a/arch/arm/mach-omap1/flash.c
+++ b/arch/arm/mach-omap1/flash.c
@@ -13,7 +13,7 @@
 #include <plat/tc.h>
 #include <plat/flash.h>
 
-void omap1_set_vpp(struct map_info *map, int enable)
+void omap1_set_vpp(struct platform_device *pdev, int enable)
 {
 	static int count;
 	u32 l;
diff --git a/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h b/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
index 7a2df29400c..23eed0035ed 100644
--- a/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
+++ b/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
@@ -31,7 +31,7 @@
 #endif
 
 /*
- * These are the offsets from the begining of the fiq_buffer. They are put here
+ * These are the offsets from the beginning of the fiq_buffer. They are put here
  * since the buffer and header need to be accessed by drivers servicing devices
  * which generate GPIO interrupts - e.g. keyboard, modem, hook switch.
  */
diff --git a/arch/arm/mach-omap1/pm_bus.c b/arch/arm/mach-omap1/pm_bus.c
index 6588c22b8a6..fe31d933f0e 100644
--- a/arch/arm/mach-omap1/pm_bus.c
+++ b/arch/arm/mach-omap1/pm_bus.c
@@ -24,75 +24,50 @@
 #ifdef CONFIG_PM_RUNTIME
 static int omap1_pm_runtime_suspend(struct device *dev)
 {
-	struct clk *iclk, *fclk;
-	int ret = 0;
+	int ret;
 
 	dev_dbg(dev, "%s\n", __func__);
 
 	ret = pm_generic_runtime_suspend(dev);
+	if (ret)
+		return ret;
 
-	fclk = clk_get(dev, "fck");
-	if (!IS_ERR(fclk)) {
-		clk_disable(fclk);
-		clk_put(fclk);
-	}
-
-	iclk = clk_get(dev, "ick");
-	if (!IS_ERR(iclk)) {
-		clk_disable(iclk);
-		clk_put(iclk);
+	ret = pm_runtime_clk_suspend(dev);
+	if (ret) {
+		pm_generic_runtime_resume(dev);
+		return ret;
 	}
 
 	return 0;
-};
+}
 
 static int omap1_pm_runtime_resume(struct device *dev)
 {
-	struct clk *iclk, *fclk;
-
 	dev_dbg(dev, "%s\n", __func__);
 
-	iclk = clk_get(dev, "ick");
-	if (!IS_ERR(iclk)) {
-		clk_enable(iclk);
-		clk_put(iclk);
-	}
+	pm_runtime_clk_resume(dev);
+	return pm_generic_runtime_resume(dev);
+}
 
-	fclk = clk_get(dev, "fck");
-	if (!IS_ERR(fclk)) {
-		clk_enable(fclk);
-		clk_put(fclk);
-	}
+static struct dev_power_domain default_power_domain = {
+	.ops = {
+		.runtime_suspend = omap1_pm_runtime_suspend,
+		.runtime_resume = omap1_pm_runtime_resume,
+		USE_PLATFORM_PM_SLEEP_OPS
+	},
+};
 
-	return pm_generic_runtime_resume(dev);
+static struct pm_clk_notifier_block platform_bus_notifier = {
+	.pwr_domain = &default_power_domain,
+	.con_ids = { "ick", "fck", NULL, },
 };
 
 static int __init omap1_pm_runtime_init(void)
 {
-	const struct dev_pm_ops *pm;
-	struct dev_pm_ops *omap_pm;
-
 	if (!cpu_class_is_omap1())
 		return -ENODEV;
 
-	pm = platform_bus_get_pm_ops();
-	if (!pm) {
-		pr_err("%s: unable to get dev_pm_ops from platform_bus\n",
-			__func__);
-		return -ENODEV;
-	}
-
-	omap_pm = kmemdup(pm, sizeof(struct dev_pm_ops), GFP_KERNEL);
-	if (!omap_pm) {
-		pr_err("%s: unable to alloc memory for new dev_pm_ops\n",
-			__func__);
-		return -ENOMEM;
-	}
-
-	omap_pm->runtime_suspend = omap1_pm_runtime_suspend;
-	omap_pm->runtime_resume = omap1_pm_runtime_resume;
-
-	platform_bus_set_pm_ops(omap_pm);
+	pm_runtime_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
 
 	return 0;
 }
diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c
index 6885d2fac18..03e1e1062ad 100644
--- a/arch/arm/mach-omap1/time.c
+++ b/arch/arm/mach-omap1/time.c
@@ -68,49 +68,50 @@ typedef struct {
 } omap_mpu_timer_regs_t;
 
 #define omap_mpu_timer_base(n)							\
-((volatile omap_mpu_timer_regs_t*)OMAP1_IO_ADDRESS(OMAP_MPU_TIMER_BASE +	\
+((omap_mpu_timer_regs_t __iomem *)OMAP1_IO_ADDRESS(OMAP_MPU_TIMER_BASE +	\
 				 (n)*OMAP_MPU_TIMER_OFFSET))
 
 static inline unsigned long notrace omap_mpu_timer_read(int nr)
 {
-	volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr);
-	return timer->read_tim;
+	omap_mpu_timer_regs_t __iomem *timer = omap_mpu_timer_base(nr);
+	return readl(&timer->read_tim);
 }
 
 static inline void omap_mpu_set_autoreset(int nr)
 {
-	volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr);
+	omap_mpu_timer_regs_t __iomem *timer = omap_mpu_timer_base(nr);
 
-	timer->cntl = timer->cntl | MPU_TIMER_AR;
+	writel(readl(&timer->cntl) | MPU_TIMER_AR, &timer->cntl);
 }
 
 static inline void omap_mpu_remove_autoreset(int nr)
 {
-	volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr);
+	omap_mpu_timer_regs_t __iomem *timer = omap_mpu_timer_base(nr);
 
-	timer->cntl = timer->cntl & ~MPU_TIMER_AR;
+	writel(readl(&timer->cntl) & ~MPU_TIMER_AR, &timer->cntl);
 }
 
 static inline void omap_mpu_timer_start(int nr, unsigned long load_val,
 					int autoreset)
 {
-	volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr);
-	unsigned int timerflags = (MPU_TIMER_CLOCK_ENABLE | MPU_TIMER_ST);
+	omap_mpu_timer_regs_t __iomem *timer = omap_mpu_timer_base(nr);
+	unsigned int timerflags = MPU_TIMER_CLOCK_ENABLE | MPU_TIMER_ST;
 
-	if (autoreset) timerflags |= MPU_TIMER_AR;
+	if (autoreset)
+		timerflags |= MPU_TIMER_AR;
 
-	timer->cntl = MPU_TIMER_CLOCK_ENABLE;
+	writel(MPU_TIMER_CLOCK_ENABLE, &timer->cntl);
 	udelay(1);
-	timer->load_tim = load_val;
+	writel(load_val, &timer->load_tim);
         udelay(1);
-	timer->cntl = timerflags;
+	writel(timerflags, &timer->cntl);
 }
 
 static inline void omap_mpu_timer_stop(int nr)
 {
-	volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr);
+	omap_mpu_timer_regs_t __iomem *timer = omap_mpu_timer_base(nr);
 
-	timer->cntl &= ~MPU_TIMER_ST;
+	writel(readl(&timer->cntl) & ~MPU_TIMER_ST, &timer->cntl);
 }
 
 /*
@@ -189,38 +190,11 @@ static __init void omap_init_mpu_timer(unsigned long rate)
  * ---------------------------------------------------------------------------
  */
 
-static unsigned long omap_mpu_timer2_overflows;
-
-static irqreturn_t omap_mpu_timer2_interrupt(int irq, void *dev_id)
-{
-	omap_mpu_timer2_overflows++;
-	return IRQ_HANDLED;
-}
-
-static struct irqaction omap_mpu_timer2_irq = {
-	.name		= "mpu_timer2",
-	.flags		= IRQF_DISABLED,
-	.handler	= omap_mpu_timer2_interrupt,
-};
-
-static cycle_t mpu_read(struct clocksource *cs)
-{
-	return ~omap_mpu_timer_read(1);
-}
-
-static struct clocksource clocksource_mpu = {
-	.name		= "mpu_timer2",
-	.rating		= 300,
-	.read		= mpu_read,
-	.mask		= CLOCKSOURCE_MASK(32),
-	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
 static DEFINE_CLOCK_DATA(cd);
 
 static inline unsigned long long notrace _omap_mpu_sched_clock(void)
 {
-	u32 cyc = mpu_read(&clocksource_mpu);
+	u32 cyc = ~omap_mpu_timer_read(1);
 	return cyc_to_sched_clock(&cd, cyc, (u32)~0);
 }
 
@@ -238,21 +212,22 @@ static unsigned long long notrace omap_mpu_sched_clock(void)
 
 static void notrace mpu_update_sched_clock(void)
 {
-	u32 cyc = mpu_read(&clocksource_mpu);
+	u32 cyc = ~omap_mpu_timer_read(1);
 	update_sched_clock(&cd, cyc, (u32)~0);
 }
 
 static void __init omap_init_clocksource(unsigned long rate)
 {
+	omap_mpu_timer_regs_t __iomem *timer = omap_mpu_timer_base(1);
 	static char err[] __initdata = KERN_ERR
 			"%s: can't register clocksource!\n";
 
-	setup_irq(INT_TIMER2, &omap_mpu_timer2_irq);
 	omap_mpu_timer_start(1, ~0, 1);
 	init_sched_clock(&cd, mpu_update_sched_clock, 32, rate);
 
-	if (clocksource_register_hz(&clocksource_mpu, rate))
-		printk(err, clocksource_mpu.name);
+	if (clocksource_mmio_init(&timer->read_tim, "mpu_timer2", rate,
+			300, 32, clocksource_mmio_readl_down))
+		printk(err, "mpu_timer2");
 }
 
 static void __init omap_mpu_timer_init(void)