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authorShin-ichiro KAWASAKI <kawasaki@juno.dti.ne.jp>2009-06-21 10:56:22 +0000
committerPaul Mundt <lethal@linux-sh.org>2009-06-24 21:08:11 +0900
commit6f4b67b8ff707147e14ee71045ab25aa286520f2 (patch)
tree94929a7cd8822d02a27b57fb3ecfaa66ea7aef81 /drivers/clocksource
parent4e8a2372f9255a1464ef488ed925455f53fbdaa1 (diff)
downloadlinux-6f4b67b8ff707147e14ee71045ab25aa286520f2.tar.bz2
clocksource: sh_tmu: Make undefined TCOR behaviour less undefined.
Avoid undocumented vague TMU behavior when zero value is set to TCOR. This primarily fixes up issues encountered under qemu with a zero-length period, while the hardware itself is fairly ambivalent one way or the other. Signed-off-by: Shin-ichiro KAWASAKI <kawasaki@juno.dti.ne.jp> Acked-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/clocksource')
-rw-r--r--drivers/clocksource/sh_tmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index 9ffb05f4095d..93c2322feab7 100644
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -161,7 +161,7 @@ static void sh_tmu_set_next(struct sh_tmu_priv *p, unsigned long delta,
if (periodic)
sh_tmu_write(p, TCOR, delta);
else
- sh_tmu_write(p, TCOR, 0);
+ sh_tmu_write(p, TCOR, 0xffffffff);
sh_tmu_write(p, TCNT, delta);