ARM: Realview/Versatile: separate out common sched_clock()

Provide a common sched_clock() implementation for Versatile and
Realview.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 0 insertions, 16 deletions

diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index 80b8142463c1..f97f001e874b 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -53,8 +53,6 @@
 
 #include "core.h"
 
-#define REALVIEW_REFCOUNTER     (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_24MHz_OFFSET)
-
 /* used by entry-macro.S and platsmp.c */
 void __iomem *gic_cpu_base_addr;
 
@@ -77,20 +75,6 @@ void __init realview_adjust_zones(int node, unsigned long *size,
 }
 #endif
 
-/*
- * This is the RealView sched_clock implementation.  This has
- * a resolution of 41.7ns, and a maximum value of about 179s.
- */
-unsigned long long sched_clock(void)
-{
-        unsigned long long v;
-
-        v = (unsigned long long)readl(REALVIEW_REFCOUNTER) * 125;
-        do_div(v, 3);
-
-        return v;
-}
-
 
 #define REALVIEW_FLASHCTRL    (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_FLASH_OFFSET)