On Sun, Oct 23, 2011 at 02:31:39AM +0200, Sebastian Rasmussen wrote:
> I guess the patch would appeal more to Russell if mmci_runtime_suspend()
> only cleared MCIMask0/SDI_MASK0 and MCIClock/SDI_CLKCR and left
> MCIPower/SDI_PWR unchanged. It may be the case that the signal direction
> bits need to be cleared for the ST-Ericsson PL180, but I haven't yet verified
> this on my Snowball dev board yet.

There's also the issue that the specs call for the clock to run after
a command has completed for a certain number of cycles, and that the
clock must continue to run until the card reports not-busy after a
programming or erase cycle has completed - that can be long after the
previous command has 'completed'.
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