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

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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>
This commit is contained in:
Atsushi Nemoto 2007-10-23 21:51:19 +09:00 committed by Ralf Baechle
parent 11ca25aa31
commit c637fecb4f
1 changed files with 2 additions and 2 deletions
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4
arch/mips/kernel/cevt-r4k.c
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@ -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())