[PATCH] OMAP: don't trace functions called from sched_clock

[rabin@rab.in (Rabin Vincent)]

omap_readl() is used from the sched_clock() implementations and so must
be marked notrace to avoid recursion in ftrace.  Same thing with
mpu_read() for OMAP1.

Signed-off-by: Rabin Vincent <rabin@rab.in>
---
 arch/arm/mach-omap1/io.c   |    2 +-
 arch/arm/mach-omap1/time.c |    2 +-
 arch/arm/mach-omap2/io.c   |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c
index 870886a..36ec2d7 100644
--- a/arch/arm/mach-omap1/io.c
+++ b/arch/arm/mach-omap1/io.c
@@ -158,7 +158,7 @@ u16 omap_readw(u32 pa)
 }
 EXPORT_SYMBOL(omap_readw);
 
-u32 omap_readl(u32 pa)
+u32 notrace omap_readl(u32 pa)
 {
 	return __raw_readl(OMAP1_IO_ADDRESS(pa));
 }
diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c
index 6885d2f..88c5c5e 100644
--- a/arch/arm/mach-omap1/time.c
+++ b/arch/arm/mach-omap1/time.c
@@ -203,7 +203,7 @@ static struct irqaction omap_mpu_timer2_irq = {
 	.handler	= omap_mpu_timer2_interrupt,
 };
 
-static cycle_t mpu_read(struct clocksource *cs)
+static cycle_t notrace mpu_read(struct clocksource *cs)
 {
 	return ~omap_mpu_timer_read(1);
 }
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 441e79d..f1987b1 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -441,7 +441,7 @@ u16 omap_readw(u32 pa)
 }
 EXPORT_SYMBOL(omap_readw);
 
-u32 omap_readl(u32 pa)
+u32 notrace omap_readl(u32 pa)
 {
 	return __raw_readl(OMAP2_L4_IO_ADDRESS(pa));
 }
-- 
1.7.4.1