omap1: Fix sched_clock implementation when both MPU timer and 32K timer are used

Earlier patches select HAVE_SCHED_CLOCK for omaps. To have working sched_clock
also for MPU timer, we need to implement it in a way where the right one gets
selected during the runtime.

Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 13 insertions, 1 deletions

diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c
index 5d7b08b5a13..862dda95d61 100644
--- a/arch/arm/plat-omap/counter_32k.c
+++ b/arch/arm/plat-omap/counter_32k.c
@@ -120,12 +120,24 @@ static DEFINE_CLOCK_DATA(cd);
 #define SC_MULT		4000000000u
 #define SC_SHIFT	17
 
-unsigned long long notrace sched_clock(void)
+static inline unsigned long long notrace _omap_32k_sched_clock(void)
 {
 	u32 cyc = clocksource_32k.read(&clocksource_32k);
 	return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT);
 }
 
+#ifndef CONFIG_OMAP_MPU_TIMER
+unsigned long long notrace sched_clock(void)
+{
+	return _omap_32k_sched_clock();
+}
+#else
+unsigned long long notrace omap_32k_sched_clock(void)
+{
+	return _omap_32k_sched_clock();
+}
+#endif
+
 static void notrace omap_update_sched_clock(void)
 {
 	u32 cyc = clocksource_32k.read(&clocksource_32k);