Re: [[v4] 2/5] MMC: Use CMD23 for multiblock transfers when we can.

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On Wed, May 18, 2011 at 9:37 PM, Jaehoon Chung <jh80.chung@xxxxxxxxxxx> wrote:
> Hi Andrei
>
> Andrei Warkentin wrote:
>> CMD23-prefixed instead of open-ended multiblock transfers
>> have a performance advantage on some MMC cards.
>>
> you mentioned about "some MMC cards".
> Conversely, that means the some card didn't have a performance advantage?
>
> Did you find the performance advantage?
> if you found the advantage and you can tell me,
> i want to know what do you have the some MMC cards..
>

I've tested this on a Sandisk eMMC where I saw as good as
a 50% improvement on writes (30% real-life use cases). This was a
SEM32G 4.3+ part.

A
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