[PATCH 0/5] mmc: add double buffering for mmc block requests

Jaehoon Chung jh80.chung at samsung.com
Sun Jan 30 03:23:43 EST 2011


Hi Per.

If you sketch a implementation for sdhci. i can test the patches on the Samsung Soc
Your help is very nice for me :).i want to know how much improve the performance 
after applied your patch.

Regards,
Jaehoon Chung

Per Forlin wrote:
> 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 at linaro.org> wrote:
>> On 18 January 2011 03:35, Jaehoon Chung <jh80.chung at samsung.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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