clocksource: sh_tmu: Make undefined TCOR behaviour less undefined.
authorShin-ichiro KAWASAKI <kawasaki@juno.dti.ne.jp>
Sun, 21 Jun 2009 10:56:22 +0000 (10:56 +0000)
committerPaul Mundt <lethal@linux-sh.org>
Wed, 24 Jun 2009 12:08:11 +0000 (21:08 +0900)
commit6f4b67b8ff707147e14ee71045ab25aa286520f2
tree94929a7cd8822d02a27b57fb3ecfaa66ea7aef81
parent4e8a2372f9255a1464ef488ed925455f53fbdaa1
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>
drivers/clocksource/sh_tmu.c