From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
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 13:43:51 +0000 [thread overview]
Message-ID: <519CCB97.20207@cogentembedded.com> (raw)
In-Reply-To: <1369226980-16203-1-git-send-email-horms+renesas@verge.net.au>
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.
> 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
next prev parent reply other threads:[~2013-05-22 13:43 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 [this message]
2013-05-22 13:56 ` Simon Horman
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