[SPARC64]: Define ARCH_HAS_READ_CURRENT_TIMER.

This gives more consistent bogomips and delay() semantics,
especially on sun4v.  It gives weird looking values though...

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/asm-sparc64/timex.h b/include/asm-sparc64/timex.h
index 9e8d4175bcb..2a5e4ebaad8 100644
--- a/include/asm-sparc64/timex.h
+++ b/include/asm-sparc64/timex.h
@@ -14,4 +14,10 @@
 typedef unsigned long cycles_t;
 #define get_cycles()    tick_ops->get_tick()
 
+#define ARCH_HAS_READ_CURRENT_TIMER     1
+#define read_current_timer(timer_val_p)         \
+({      *timer_val_p = tick_ops->get_tick();    \
+        0;                                      \
+})
+
 #endif