ARM: timer-sp: add sched_clock support

Add a sched_clock support for the sp804 timer. The clocksource timer
can optionally initialize itself as sched_clock timer.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>

1 files changed, 14 insertions, 1 deletions

diff --git a/arch/arm/include/asm/hardware/timer-sp.h b/arch/arm/include/asm/hardware/timer-sp.h
index 4384d81eee79..2dd9d3f83f29 100644
--- a/arch/arm/include/asm/hardware/timer-sp.h
+++ b/arch/arm/include/asm/hardware/timer-sp.h
@@ -1,2 +1,15 @@
-void sp804_clocksource_init(void __iomem *, const char *);
+void __sp804_clocksource_and_sched_clock_init(void __iomem *,
+                                              const char *, int);
+
+static inline void sp804_clocksource_init(void __iomem *base, const char *name)
+{
+        __sp804_clocksource_and_sched_clock_init(base, name, 0);
+}
+
+static inline void sp804_clocksource_and_sched_clock_init(void __iomem *base,
+                                                          const char *name)
+{
+        __sp804_clocksource_and_sched_clock_init(base, name, 1);
+}
+
 void sp804_clockevents_init(void __iomem *, unsigned int, const char *);