ARM: omap: ensure sched_clock() is notrace

Commit Message

Rabin Vincent Nov. 19, 2010, 4:06 p.m. UTC

None

Patch

diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c
index 155fe43..c542de3 100644
--- a/arch/arm/plat-omap/counter_32k.c
+++ b/arch/arm/plat-omap/counter_32k.c
@@ -13,6 +13,7 @@ 
  * NOTE: This timer is not the same timer as the old OMAP1 MPU timer.
  */
 #include <linux/kernel.h>
+#include <linux/sched.h>
 #include <linux/init.h>
 #include <linux/clk.h>
 #include <linux/io.h>
@@ -44,7 +45,7 @@ 
 static u32 offset_32k __read_mostly;
 
 #ifdef CONFIG_ARCH_OMAP16XX
-static cycle_t omap16xx_32k_read(struct clocksource *cs)
+static cycle_t notrace omap16xx_32k_read(struct clocksource *cs)
 {
 	return omap_readl(OMAP16XX_TIMER_32K_SYNCHRONIZED) - offset_32k;
 }
@@ -53,7 +54,7 @@  static cycle_t omap16xx_32k_read(struct clocksource *cs)
 #endif
 
 #ifdef CONFIG_ARCH_OMAP2420
-static cycle_t omap2420_32k_read(struct clocksource *cs)
+static cycle_t notrace omap2420_32k_read(struct clocksource *cs)
 {
 	return omap_readl(OMAP2420_32KSYNCT_BASE + 0x10) - offset_32k;
 }
@@ -62,7 +63,7 @@  static cycle_t omap2420_32k_read(struct clocksource *cs)
 #endif
 
 #ifdef CONFIG_ARCH_OMAP2430
-static cycle_t omap2430_32k_read(struct clocksource *cs)
+static cycle_t notrace omap2430_32k_read(struct clocksource *cs)
 {
 	return omap_readl(OMAP2430_32KSYNCT_BASE + 0x10) - offset_32k;
 }
@@ -71,7 +72,7 @@  static cycle_t omap2430_32k_read(struct clocksource *cs)
 #endif
 
 #ifdef CONFIG_ARCH_OMAP3
-static cycle_t omap34xx_32k_read(struct clocksource *cs)
+static cycle_t notrace omap34xx_32k_read(struct clocksource *cs)
 {
 	return omap_readl(OMAP3430_32KSYNCT_BASE + 0x10) - offset_32k;
 }
@@ -80,7 +81,7 @@  static cycle_t omap34xx_32k_read(struct clocksource *cs)
 #endif
 
 #ifdef CONFIG_ARCH_OMAP4
-static cycle_t omap44xx_32k_read(struct clocksource *cs)
+static cycle_t notrace omap44xx_32k_read(struct clocksource *cs)
 {
 	return omap_readl(OMAP4430_32KSYNCT_BASE + 0x10) - offset_32k;
 }
@@ -92,7 +93,7 @@  static cycle_t omap44xx_32k_read(struct clocksource *cs)
  * Kernel assumes that sched_clock can be called early but may not have
  * things ready yet.
  */
-static cycle_t omap_32k_read_dummy(struct clocksource *cs)
+static cycle_t notrace omap_32k_read_dummy(struct clocksource *cs)
 {
 	return 0;
 }
diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c
index b0078cf..1b9a4c2 100644
--- a/arch/arm/plat-omap/io.c
+++ b/arch/arm/plat-omap/io.c
@@ -159,7 +159,7 @@  u16 omap_readw(u32 pa)
 }
 EXPORT_SYMBOL(omap_readw);
 
-u32 omap_readl(u32 pa)
+u32 notrace omap_readl(u32 pa)
 {
 	if (cpu_class_is_omap1())
 		return __raw_readl(OMAP1_IO_ADDRESS(pa));