Commit 6f4b67b8 authored Jun 21, 2009 by Shin-ichiro KAWASAKI Committed by Paul Mundt Jun 24, 2009

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>

parent 4e8a2372

drivers/clocksource/sh_tmu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);