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Commit c637fecb authored by Atsushi Nemoto's avatar Atsushi Nemoto Committed by Ralf Baechle
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[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: default avatarAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 11ca25aa

arch/mips/kernel/cevt-r4k.c

+2 −2
Original line number Diff line number Diff line
@@ -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())