From dab969c00b8bee17a47057bbb91cd0a348cf6f76 Mon Sep 17 00:00:00 2001
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Tue, 23 Oct 2007 01:14:06 +0900
Subject: [PATCH] [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>
---
arch/mips/kernel/cevt-r4k.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
index a915e5693421d..ae2984fff5800 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;
--
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