From mboxrd@z Thu Jan  1 00:00:00 1970
From: anarsoul@gmail.com (Vasily Khoruzhick)
Date: Sun, 27 Mar 2011 12:48:02 +0300
Subject: [PATCH RFC] ARM: PXA27x: CPUFREQ: Don't use fastbus mode
In-Reply-To: <4D8EFEC1.7010803@compulab.co.il>
References: <1301169103-23968-1-git-send-email-anarsoul@gmail.com>
	<201103271028.56672.anarsoul@gmail.com>
	<4D8EFEC1.7010803@compulab.co.il>
Message-ID: <201103271248.02774.anarsoul@gmail.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

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