[MIPS] time: Fix cevt-r4k.c for 64-bit kernel

The expression "(long)(read_c0_count() - cnt)" can never be a negative
value on 64-bit kernel.  Cast to "int" before comparison.

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 cb46b02e02a5..7274fd2513f9 100644
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -28,7 +28,7 @@ static int mips_next_event(unsigned long delta,
         cnt = read_c0_count();
         cnt += delta;
         write_c0_compare(cnt);
-        res = ((long)(read_c0_count() - cnt ) > 0) ? -ETIME : 0;
+        res = ((int)(read_c0_count() - cnt) > 0) ? -ETIME : 0;
 #ifdef CONFIG_MIPS_MT_SMTC
         evpe(vpflags);
         local_irq_restore(flags);
@@ -196,7 +196,7 @@ static int c0_compare_int_usable(void)
         cnt += delta;
         write_c0_compare(cnt);
 
-        while ((long)(read_c0_count() - cnt) <= 0)
+        while ((int)(read_c0_count() - cnt) <= 0)
                 ;       /* Wait for expiry  */
 
         if (!c0_compare_int_pending())