From: martin persson <martin.persson@stericsson.com>
To: Linus Walleij <linus.ml.walleij@gmail.com>
Cc: Colin Cross <ccross@android.com>,
"linux-arm-kernel@lists-infradead.org"
<linux-arm-kernel@lists-infradead.org>,
Harald Gustafsson <harald.gustafsson@ericsson.com>,
Rickard ANDERSSON <rickard.andersson@stericsson.com>,
Rob Herring <robherring2@gmail.com>,
Russell King <linux@arm.linux.org.uk>,
Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>,
Varun Swara <Varun.Swara@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] ARM: twd: Adjust localtimer frequency with cpufreq notifiers
Date: Fri, 4 Mar 2011 11:27:41 +0100 [thread overview]
Message-ID: <4D70BE9D.4000507@stericsson.com> (raw)
In-Reply-To: <AANLkTimCuV5N0jr8c949uONEvieQ5MDZ9KHDXtneG5AT@mail.gmail.com>
We've seen no problems using this patch and have been grateful for it's existence. So I'm happy to put:
Tested-by: martin.persson@stericsson.com
/Martin
On 03/04/2011 11:17 AM, Linus Walleij wrote:
> 2010/11/18 Colin Cross<ccross@android.com>:
>
>> The clock to the ARM TWD local timer scales with the cpu
>> frequency. To allow the cpu frequency to change while
>> maintaining a constant TWD frequency, pick a lower target
>> frequency for the TWD and use the prescaler to divide down
>> to the closest lower frequency.
> We are using this with some custom hooks for the U8500.
>
> Tested-by: Linus Walleij<linus.walleij@linaro.org>
>
> Martin Persson can probably provide an additional Tested-by
> from ST-Ericsson if it helps.
>
> Colin are you merging this patch for 2.6.39 through
> Russells tracker or pull request? It's an important patch
> for us.
>
> Yours,
> Linus Walleij
next prev parent reply other threads:[~2011-03-04 10:29 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-18 6:14 Colin Cross
2011-03-04 10:17 ` Linus Walleij
2011-03-04 10:27 ` martin persson [this message]
2011-03-04 20:11 ` Colin Cross
2011-03-04 20:31 ` Rob Herring
2011-03-04 21:33 ` Colin Cross
2011-03-05 8:19 ` [PATCH] ARM: twd: Adjust localtimer frequency with cpufreqnotifiers Santosh Shilimkar
2011-03-06 12:06 ` Linus Walleij
2011-03-06 14:20 ` [PATCH] ARM: twd: Adjust localtimer frequency withcpufreqnotifiers Santosh Shilimkar
2011-03-06 17:42 ` Colin Cross
2011-03-06 19:02 ` Linus Walleij
2011-05-12 15:14 ` Linus Walleij
2011-05-13 10:02 ` Thomas Gleixner
2011-05-13 10:59 ` Linus Walleij
2011-05-13 21:15 ` Russell King - ARM Linux
2011-05-13 21:22 ` Colin Cross
2011-05-13 21:24 ` Colin Cross
2011-05-14 15:51 ` Thomas Gleixner
2011-05-16 11:18 ` Santosh Shilimkar
2011-05-16 14:44 ` Thomas Gleixner
2011-05-16 16:29 ` Colin Cross
2011-05-16 16:33 ` Thomas Gleixner
2011-05-16 16:43 ` Santosh Shilimkar
2011-05-16 23:08 ` Colin Cross
2010-11-18 6:47 [PATCH] ARM: twd: Adjust localtimer frequency with cpufreq notifiers Colin Cross
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