Re: SDHC Read Performance

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On Thu, Jan 20, 2011 at 5:38 PM, Paul Mundt <lethal@xxxxxxxxxxxx> wrote:
> On Thu, Jan 20, 2011 at 05:28:55PM +0900, Magnus Damm wrote:
>> On Thu, Jan 20, 2011 at 4:07 PM, Simon Horman <horms@xxxxxxxxxxxx> wrote:
>> > I imagine it would be possible to manipulate the frequency
>> > such that MMC can be run closer to 20Mhz than 12Mhz.
>> >
>> > However, I am unsure if this would improve performance in any way.
>>
>> It most likely would. Perhaps it's worth adjusting the shared clock a
>> bit to support 20MHz?
>>
> "Most likely" isn't a constructive performance metric. It's worth trying
> out, and if it helps then of course it makes sense to try and support.
> It's not really worth going through and adding in additional complexity
> in order to support every possible frequency just becase we can, however.

Yes. Thanks for the "constructive performance metric". =)
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