On Thu, Aug 20, 2009 at 01:42:04AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote : > On 14:16 Wed 19 Aug , Albin Tonnerre wrote: > > While rewriting the atmel_mci driver to use the new MMC_GENERIC API (and > > allow > > the use of SD/MMC on AT91 in the process), it appeared that switching the > > card > > frequency before the controller frequency resulted in the answer from the > > card > > never being received. Changing the controller frequency before the > > controller > > frequency fixes that. > IIRC it's not correct you are supposed to switch the card to higherfreq and > then the bus speed
This was an error on my side, sorry for the noise. > could show the patch of the atmel_mci to help It's not complete yet, but I'll be sure to post it for comments as soon as i'm done. > Best Regards, > J. Regards, -- Albin Tonnerre, Free Electrons Kernel, drivers and embedded Linux development, consulting, training and support. http://free-electrons.com
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