From: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
To: Joseph Lo <josephl-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH] ARM: tegra30: make the wait time of CPU power up to proportional to HZ
Date: Mon, 07 Jan 2013 10:41:57 -0700 [thread overview]
Message-ID: <50EB08E5.8080503@wwwdotorg.org> (raw)
In-Reply-To: <1357527374-31055-1-git-send-email-josephl-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
On 01/06/2013 07:56 PM, Joseph Lo wrote:
> It would rather to use the API of time_to_jiffies than a constant number
> of jiffies for the wait time of CPU power up.
>
> Based on the work by:
> Sang-Hun Lee <sanlee-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Applied to Tegra's for-3.9/soc branch.
> diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
> - timeout = jiffies + 5*HZ;
> + timeout = jiffies + msecs_to_jiffies(50);
I did just want to confirm though; I think that changes the timeout from
5 seconds to 50mS and similarly for the other change. I assume that was
intended? The code certainly seemed to work just fine with this change
when I tested it.
WARNING: multiple messages have this Message-ID (diff)
From: swarren@wwwdotorg.org (Stephen Warren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: tegra30: make the wait time of CPU power up to proportional to HZ
Date: Mon, 07 Jan 2013 10:41:57 -0700 [thread overview]
Message-ID: <50EB08E5.8080503@wwwdotorg.org> (raw)
In-Reply-To: <1357527374-31055-1-git-send-email-josephl@nvidia.com>
On 01/06/2013 07:56 PM, Joseph Lo wrote:
> It would rather to use the API of time_to_jiffies than a constant number
> of jiffies for the wait time of CPU power up.
>
> Based on the work by:
> Sang-Hun Lee <sanlee@nvidia.com>
Applied to Tegra's for-3.9/soc branch.
> diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
> - timeout = jiffies + 5*HZ;
> + timeout = jiffies + msecs_to_jiffies(50);
I did just want to confirm though; I think that changes the timeout from
5 seconds to 50mS and similarly for the other change. I assume that was
intended? The code certainly seemed to work just fine with this change
when I tested it.
next prev parent reply other threads:[~2013-01-07 17:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-07 2:56 [PATCH] ARM: tegra30: make the wait time of CPU power up to proportional to HZ Joseph Lo
2013-01-07 2:56 ` Joseph Lo
[not found] ` <1357527374-31055-1-git-send-email-josephl-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-01-07 17:41 ` Stephen Warren [this message]
2013-01-07 17:41 ` Stephen Warren
[not found] ` <50EB08E5.8080503-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-01-08 1:24 ` Joseph Lo
2013-01-08 1:24 ` Joseph Lo
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