8 files changed, 19 insertions, 39 deletions
diff --git a/arch/arm/mach-tegra/dma.c b/arch/arm/mach-tegra/dma.c
index e945ae28ee77..f4ef5eb317bd 100644
--- a/arch/arm/mach-tegra/dma.c
+++ b/arch/arm/mach-tegra/dma.c
@@ -223,7 +223,7 @@ int tegra_dma_dequeue_req(struct tegra_dma_channel *ch,
 	 *  - Change the source selector to invalid to stop the DMA from
 	 *    FIFO to memory.
 	 *  - Read the status register to know the number of pending
-	 *    bytes to be transfered.
+	 *    bytes to be transferred.
 	 *  - Finally stop or program the DMA to the next buffer in the
 	 *    list.
 	 */
@@ -244,7 +244,7 @@ int tegra_dma_dequeue_req(struct tegra_dma_channel *ch,
 	if (status & STA_BUSY)
 		req->bytes_transferred -= to_transfer;
 
-	/* In continous transfer mode, DMA only tracks the count of the
+	/* In continuous transfer mode, DMA only tracks the count of the
 	 * half DMA buffer. So, if the DMA already finished half the DMA
 	 * then add the half buffer to the completed count.
 	 *
diff --git a/arch/arm/mach-tegra/gpio.c b/arch/arm/mach-tegra/gpio.c
index 76a3f654220f..65a1aba6823d 100644
--- a/arch/arm/mach-tegra/gpio.c
+++ b/arch/arm/mach-tegra/gpio.c
@@ -257,7 +257,8 @@ static void tegra_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 void tegra_gpio_resume(void)
 {
 	unsigned long flags;
-	int b, p, i;
+	int b;
+	int p;
 
 	local_irq_save(flags);
 
@@ -280,7 +281,8 @@ void tegra_gpio_resume(void)
 void tegra_gpio_suspend(void)
 {
 	unsigned long flags;
-	int b, p, i;
+	int b;
+	int p;
 
 	local_irq_save(flags);
 	for (b = 0; b < ARRAY_SIZE(tegra_gpio_banks); b++) {
diff --git a/arch/arm/mach-tegra/include/mach/barriers.h b/arch/arm/mach-tegra/include/mach/barriers.h
index cc115174899b..425b42e91ef6 100644
--- a/arch/arm/mach-tegra/include/mach/barriers.h
+++ b/arch/arm/mach-tegra/include/mach/barriers.h
@@ -23,7 +23,7 @@
 
 #include <asm/outercache.h>
 
-#define rmb()		dmb()
+#define rmb()		dsb()
 #define wmb()		do { dsb(); outer_sync(); } while (0)
 #define mb()		wmb()
 
diff --git a/arch/arm/mach-tegra/include/mach/dma.h b/arch/arm/mach-tegra/include/mach/dma.h
index 39011bd9a925..d0132e8031a1 100644
--- a/arch/arm/mach-tegra/include/mach/dma.h
+++ b/arch/arm/mach-tegra/include/mach/dma.h
@@ -92,11 +92,11 @@ struct tegra_dma_req {
 	/*  This is a called from the DMA ISR context when the DMA is still in
 	 *  progress and is actively filling same buffer.
 	 *
-	 *  In case of continous mode receive, this threshold is 1/2 the buffer
+	 *  In case of continuous mode receive, this threshold is 1/2 the buffer
 	 *  size. In other cases, this will not even be called as there is no
 	 *  hardware support for it.
 	 *
-	 * In the case of continous mode receive, if there is next req already
+	 * In the case of continuous mode receive, if there is next req already
 	 * queued, DMA programs the HW to use that req when this req is
 	 * completed. If there is no "next req" queued, then DMA ISR doesn't do
 	 * anything before calling this callback.
diff --git a/arch/arm/mach-tegra/include/mach/smp.h b/arch/arm/mach-tegra/include/mach/smp.h
deleted file mode 100644
index c8221b38ee7c..000000000000
--- a/arch/arm/mach-tegra/include/mach/smp.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#ifndef ASMARM_ARCH_SMP_H
-#define ASMARM_ARCH_SMP_H
-
-#include <asm/hardware/gic.h>
-
-/*
- * We use IRQ1 as the IPI
- */
-static inline void smp_cross_call(const struct cpumask *mask, int ipi)
-{
-	gic_raise_softirq(mask, ipi);
-}
-
-#endif
diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index ec1f68924edf..b8ae3c978dee 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -20,6 +20,7 @@
 #include <linux/io.h>
 
 #include <asm/cacheflush.h>
+#include <asm/hardware/gic.h>
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
 #include <asm/smp_scu.h>
@@ -122,6 +123,8 @@ void __init smp_init_cpus(void)
 
 	for (i = 0; i < ncores; i++)
 		cpu_set(i, cpu_possible_map);
+
+	set_smp_cross_call(gic_raise_softirq);
 }
 
 void __init platform_smp_prepare_cpus(unsigned int max_cpus)
diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c
index 6d7c4eea4dcb..4459470c052d 100644
--- a/arch/arm/mach-tegra/tegra2_clocks.c
+++ b/arch/arm/mach-tegra/tegra2_clocks.c
@@ -1362,14 +1362,15 @@ static int tegra_clk_shared_bus_set_rate(struct clk *c, unsigned long rate)
 {
 	unsigned long flags;
 	int ret;
+	long new_rate = rate;
 
-	rate = clk_round_rate(c->parent, rate);
-	if (rate < 0)
-		return rate;
+	new_rate = clk_round_rate(c->parent, new_rate);
+	if (new_rate < 0)
+		return new_rate;
 
 	spin_lock_irqsave(&c->parent->spinlock, flags);
 
-	c->u.shared_bus_user.rate = rate;
+	c->u.shared_bus_user.rate = new_rate;
 	ret = tegra_clk_shared_bus_update(c->parent);
 
 	spin_unlock_irqrestore(&c->parent->spinlock, flags);
diff --git a/arch/arm/mach-tegra/timer.c b/arch/arm/mach-tegra/timer.c
index 0fcb1eb4214d..90350420c4e9 100644
--- a/arch/arm/mach-tegra/timer.c
+++ b/arch/arm/mach-tegra/timer.c
@@ -98,11 +98,6 @@ static void tegra_timer_set_mode(enum clock_event_mode mode,
 	}
 }
 
-static cycle_t tegra_clocksource_read(struct clocksource *cs)
-{
-	return timer_readl(TIMERUS_CNTR_1US);
-}
-
 static struct clock_event_device tegra_clockevent = {
 	.name		= "timer0",
 	.rating		= 300,
@@ -111,14 +106,6 @@ static struct clock_event_device tegra_clockevent = {
 	.set_mode	= tegra_timer_set_mode,
 };
 
-static struct clocksource tegra_clocksource = {
-	.name	= "timer_us",
-	.rating	= 300,
-	.read	= tegra_clocksource_read,
-	.mask	= CLOCKSOURCE_MASK(32),
-	.flags	= CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
 static DEFINE_CLOCK_DATA(cd);
 
 /*
@@ -234,7 +221,8 @@ static void __init tegra_init_timer(void)
 	init_fixed_sched_clock(&cd, tegra_update_sched_clock, 32,
 			       1000000, SC_MULT, SC_SHIFT);
 
-	if (clocksource_register_hz(&tegra_clocksource, 1000000)) {
+	if (clocksource_mmio_init(timer_reg_base + TIMERUS_CNTR_1US,
+		"timer_us", 1000000, 300, 32, clocksource_mmio_readl_up)) {
 		printk(KERN_ERR "Failed to register clocksource\n");
 		BUG();
 	}