[MIPS] time: Make c0_compare_int_usable more bullet proof

Use write_c0_compare(read_c0_count()) to clear interrupt.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
index a915e569342..ae2984fff58 100644
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -186,7 +186,7 @@ static int c0_compare_int_usable(void)
          * IP7 already pending?  Try to clear it by acking the timer.
          */
         if (c0_compare_int_pending()) {
-                write_c0_compare(read_c0_compare());
+                write_c0_compare(read_c0_count());
                 irq_disable_hazard();
                 if (c0_compare_int_pending())
                         return 0;
@@ -202,7 +202,7 @@ static int c0_compare_int_usable(void)
         if (!c0_compare_int_pending())
                 return 0;
 
-        write_c0_compare(read_c0_compare());
+        write_c0_compare(read_c0_count());
         irq_disable_hazard();
         if (c0_compare_int_pending())
                 return 0;