From: anarsoul@gmail.com (Vasily Khoruzhick)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RFC] ARM: PXA27x: CPUFREQ: Don't use fastbus mode
Date: Sun, 27 Mar 2011 12:48:02 +0300 [thread overview]
Message-ID: <201103271248.02774.anarsoul@gmail.com> (raw)
In-Reply-To: <4D8EFEC1.7010803@compulab.co.il>
On Sunday 27 March 2011 12:09:21 Igor Grinberg wrote:
> Possibly, but Z2 is not the only one using PXA27x.
> And of course you lose performance, unless you don't care,
> because if it does not work at all, you don't care about performance,
> but again it is wrong to force all PXA27x based boards to this.
Ok, that's why I've sent this patch with RFC in subject - Z2 is the only
PXA270-based device I own :)
> cm-x270 and em-x270 work well with fast bus bit set with userspace governor
> and with the above frequencies.
What about ondemand and conservative governors?
> I'd check the hardware (especially DRAM).
> And I agree with Marek, if you want to disable the fast bus,
> then it should be board (or otherwise) controllable.
Ok
Regards
Vasily
next prev parent reply other threads:[~2011-03-27 9:48 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-26 19:51 [PATCH RFC] ARM: PXA27x: CPUFREQ: Don't use fastbus mode Vasily Khoruzhick
2011-03-27 0:52 ` Marek Vasut
2011-03-27 7:28 ` Vasily Khoruzhick
2011-03-27 9:09 ` Igor Grinberg
2011-03-27 9:48 ` Vasily Khoruzhick [this message]
2011-03-27 10:09 ` Igor Grinberg
2011-03-27 14:45 ` Vasily Khoruzhick
2011-03-27 14:50 ` Marek Vasut
2011-03-27 14:56 ` Vasily Khoruzhick
2011-03-27 15:34 ` Marek Vasut
2011-03-27 16:56 ` Robert Jarzmik
2011-03-27 17:13 ` Vasily Khoruzhick
2011-03-28 8:22 ` Igor Grinberg
2011-04-11 13:46 ` Pavel Machek
2011-04-11 20:11 ` Vasily Khoruzhick
2011-04-12 5:22 ` Marek Vasut
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