Merge branch 'omap-clock-fixes' into omap-fixes

4 files changed, 42 insertions, 12 deletions

diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 2e0614552ac..29efc279287 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -239,6 +239,13 @@ void recalculate_root_clocks(void)
 	}
 }
 
+/**
+ * clk_init_one - initialize any fields in the struct clk before clk init
+ * @clk: struct clk * to initialize
+ *
+ * Initialize any struct clk fields needed before normal clk initialization
+ * can run.  No return value.
+ */
 void clk_init_one(struct clk *clk)
 {
 	INIT_LIST_HEAD(&clk->children);
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index bfd47570cc9..55bb9963129 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -238,7 +238,7 @@ static struct omap_dm_timer omap3_dm_timers[] = {
 	{ .phys_base = 0x49040000, .irq = INT_24XX_GPTIMER9 },
 	{ .phys_base = 0x48086000, .irq = INT_24XX_GPTIMER10 },
 	{ .phys_base = 0x48088000, .irq = INT_24XX_GPTIMER11 },
-	{ .phys_base = 0x48304000, .irq = INT_24XX_GPTIMER12 },
+	{ .phys_base = 0x48304000, .irq = INT_34XX_GPT12_IRQ },
 };
 
 static const char *omap3_dm_source_names[] __initdata = {
@@ -321,11 +321,9 @@ static void omap_dm_timer_reset(struct omap_dm_timer *timer)
 	l |= 0x2 << 8;   /* Set clock activity to perserve f-clock on idle */
 
 	/*
-	 * Enable wake-up only for GPT1 on OMAP2 CPUs.
-	 * FIXME: All timers should have wake-up enabled and clear
-	 * PRCM status.
+	 * Enable wake-up on OMAP2 CPUs.
 	 */
-	if (cpu_class_is_omap2() && (timer == &dm_timers[0]))
+	if (cpu_class_is_omap2())
 		l |= 1 << 2;
 	omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_REG, l);
 
@@ -511,7 +509,7 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_stop);
 
 #ifdef CONFIG_ARCH_OMAP1
 
-void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
+int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
 {
 	int n = (timer - dm_timers) << 1;
 	u32 l;
@@ -519,23 +517,31 @@ void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
 	l = omap_readl(MOD_CONF_CTRL_1) & ~(0x03 << n);
 	l |= source << n;
 	omap_writel(l, MOD_CONF_CTRL_1);
+
+	return 0;
 }
 EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);
 
 #else
 
-void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
+int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
 {
+	int ret = -EINVAL;
+
 	if (source < 0 || source >= 3)
-		return;
+		return -EINVAL;
 
 	clk_disable(timer->fclk);
-	clk_set_parent(timer->fclk, dm_source_clocks[source]);
+	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. */
+	/*
+	 * When the functional clock disappears, too quick writes seem
+	 * to cause an abort. XXX Is this still necessary?
+	 */
 	__delay(150000);
+
+	return ret;
 }
 EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);
 
diff --git a/arch/arm/plat-omap/include/mach/dmtimer.h b/arch/arm/plat-omap/include/mach/dmtimer.h
index 6dc70313821..20f1054c0a8 100644
--- a/arch/arm/plat-omap/include/mach/dmtimer.h
+++ b/arch/arm/plat-omap/include/mach/dmtimer.h
@@ -64,7 +64,7 @@ void omap_dm_timer_trigger(struct omap_dm_timer *timer);
 void omap_dm_timer_start(struct omap_dm_timer *timer);
 void omap_dm_timer_stop(struct omap_dm_timer *timer);
 
-void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source);
+int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source);
 void omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload, unsigned int value);
 void omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload, unsigned int value);
 void omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable, unsigned int match);
diff --git a/arch/arm/plat-omap/include/mach/timer-gp.h b/arch/arm/plat-omap/include/mach/timer-gp.h
new file mode 100644
index 00000000000..c88d346b59d
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/timer-gp.h
@@ -0,0 +1,17 @@
+/*
+ * OMAP2/3 GPTIMER support.headers
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_TIMER_GP_H
+#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_TIMER_GP_H
+
+int __init omap2_gp_clockevent_set_gptimer(u8 id);
+
+#endif
+