From: Simon Horman <horms@verge.net.au>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: shmobile: kzm9g-reference: Update CMT clocksource rating to 80
Date: Wed, 22 May 2013 13:56:13 +0000 [thread overview]
Message-ID: <20130522135608.GA32012@verge.net.au> (raw)
In-Reply-To: <519CCB97.20207@cogentembedded.com>
On Wed, May 22, 2013 at 05:43:51PM +0400, Sergei Shtylyov wrote:
> Hello.
>
> On 22-05-2013 16:49, Simon Horman wrote:
>
> >Update the CMT clocksource rating from 100 to 10.
>
> s/100/125/ and s/10/80/, apparently.
Thanks, I don't know what I was thinking.
>
> >This resolves a boot-failure regression for kzm9g-reference in v3.10-rc1
> >introduced by f7db706b132f11c79ae1d74b2382e0926cf31644 ("ARM: 7674/1: smp:
> >Avoid dummy clockevent being preferred over real").
>
> >The patch noted above reduces the rating of dummy clockevent from 400 to 100.
>
> 400 seems very high rating for a dummy clockevent...
>
> >This patch reduces the rating of CMT so that it is once again less than that
> >of the dummy clockevent.
>
> >Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
>
> >---
>
> >I also plan to reduce the rating of the STI clocksource to less than 100.
> >However, as I am not aware of any problems relating to STI in v3.10-rc
> >my plan is to update STI in the v3.11 timeframe.
> >---
> > arch/arm/mach-shmobile/setup-sh73a0.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
>
> >diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
> >index fdf3894..9696f36 100644
> >--- a/arch/arm/mach-shmobile/setup-sh73a0.c
> >+++ b/arch/arm/mach-shmobile/setup-sh73a0.c
> >@@ -252,7 +252,7 @@ static struct sh_timer_config cmt10_platform_data = {
> > .name = "CMT10",
> > .channel_offset = 0x10,
> > .timer_bit = 0,
> >- .clockevent_rating = 125,
> >+ .clockevent_rating = 80,
> > .clocksource_rating = 125,
> > };
>
> WBR, Sergei
>
>
> --
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prev parent reply other threads:[~2013-05-22 13:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-19 17:38 [PATCH] ARM: shmobile: kzm9g-reference: fix device-tree bindings and device names Guennadi Liakhovetski
2013-03-21 12:23 ` Laurent Pinchart
2013-03-21 13:25 ` Simon Horman
2013-05-22 12:49 ` [PATCH] ARM: shmobile: kzm9g-reference: Update CMT clocksource rating to 80 Simon Horman
2013-05-22 13:43 ` Sergei Shtylyov
2013-05-22 13:56 ` Simon Horman [this message]
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