linux-kernel - Re: [PATCH 0/5] mmc: add double buffering for mmc block requests

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Message-ID: <AANLkTi=H71TQpuBnagMThcv-6NKJyqsD-xtg_eW8Pb_T@mail.gmail.com>
Date:	Fri, 28 Jan 2011 09:28:48 +0100
From:	Per Forlin <per.forlin@...aro.org>
To:	Jaehoon Chung <jh80.chung@...sung.com>
Cc:	linux-mmc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linaro-dev@...ts.linaro.org,
	Chris Ball <cjb@...top.org>,
	Kyungmin Park <kyungmin.park@...sung.com>
Subject: Re: [PATCH 0/5] mmc: add double buffering for mmc block requests

Hi Jaehoon,

Have you had the chance to test the patches on the Samsung Soc. I can
sketch a implementation for sdhci if that helps? Unfortunately I don't
have any hardware to test the SDHCI driver unless there is support in
QEMU?
I really think I need to test this on more hardware in order to get
more results for the patchset and hopefully more attention as well.

BR
Per

On 18 January 2011 09:12, Per Forlin <per.forlin@...aro.org> wrote:
> On 18 January 2011 03:35, Jaehoon Chung <jh80.chung@...sung.com> wrote:
>> Hi Per..
>>
>> it is interesting approach..so
>> we want to test your double buffering in our environment(Samsung SoC).
>>
>> Did you test with SDHCI?
> So far I have only tested on mmci for board u5500 and u8500. I happily
> test on a different board if I can get hold of one.
>
>> If you tested with SDHCI, i want to know how much increase the performance.
>>
>> Thanks,
>> Jaehoon Chung
>
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