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Date: Tue, 15 Apr 2014 23:53:31 +0200 (CEST) From: Thomas Gleixner <tglx@...utronix.de> To: Daniel Lezcano <daniel.lezcano@...aro.org> cc: Xiubo Li <Li.Xiubo@...escale.com>, shawn.guo@...aro.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] clocksource: vf_pit_timer: fix pit_read_sched_clock On Tue, 15 Apr 2014, Daniel Lezcano wrote: > On 04/15/2014 12:48 PM, Xiubo Li wrote: > > The pit_read_sched_clock mean to getting the current counter value, > > and the vf pit timer is a down count timer, this should return > > the counter value or the cycles elapsed. > > > > Signed-off-by: Xiubo Li <Li.Xiubo@...escale.com> > > --- > > drivers/clocksource/vf_pit_timer.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/clocksource/vf_pit_timer.c > > b/drivers/clocksource/vf_pit_timer.c > > index 02821b0..a918bc4 100644 > > --- a/drivers/clocksource/vf_pit_timer.c > > +++ b/drivers/clocksource/vf_pit_timer.c > > @@ -54,7 +54,7 @@ static inline void pit_irq_acknowledge(void) > > > > static u64 pit_read_sched_clock(void) > > { > > - return __raw_readl(clksrc_base + PITCVAL); > > + return ~__raw_readl(clksrc_base + PITCVAL); > > } > > > > static int __init pit_clocksource_init(unsigned long rate) > > > > Hi Xiubo, > > thanks for the patch but this has already been fixed [1] and is available in > the timers/urgent branch. It's in Linus tree already and tagged for stable. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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