ARM: timer-sp: Switch to sched_clock_register()

The 32 bit sched_clock interface now supports 64 bits. Upgrade to
the 64 bit function to allow us to remove the 32 bit registration
interface. Also mark the read function notrace since we're here
and failure to do so would cause ftrace to break.

Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
diff --git a/arch/arm/common/timer-sp.c b/arch/arm/common/timer-sp.c
index e901d0f..e26a185 100644
--- a/arch/arm/common/timer-sp.c
+++ b/arch/arm/common/timer-sp.c
@@ -66,7 +66,7 @@
 
 static void __iomem *sched_clock_base;
 
-static u32 sp804_read(void)
+static u64 notrace sp804_read(void)
 {
 	return ~readl_relaxed(sched_clock_base + TIMER_VALUE);
 }
@@ -104,7 +104,7 @@
 
 	if (use_sched_clock) {
 		sched_clock_base = base;
-		setup_sched_clock(sp804_read, 32, rate);
+		sched_clock_register(sp804_read, 32, rate);
 	}
 }