Messages in this thread | | | Date | Mon, 16 Oct 2006 08:34:20 +0200 | From | Pierre Ossman <> | Subject | Re: [PATCH] MMC: Select only one voltage bit in OCR response |
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Timo Teras wrote: > I see. But if we do send an OCR with an unsupported bit set, the card will > go to inactive state and is unusable. This problem is masked on controllers > with only 3.3V support, but I'm working with a controller supporting several > different voltages. > > For example, I have a card giving an OCR reply of 0x0ff80080. The current > code will reply to this with 0x00000180 which is clearly incorrect. > > Maybe something like "ocr &= 3 << bit;" would be more approriate? >
Russell? Comments? Do you still have the offending card?
-- -- Pierre Ossman
Linux kernel, MMC maintainer http://www.kernel.org PulseAudio, core developer http://pulseaudio.org rdesktop, core developer http://www.rdesktop.org OLPC, developer http://www.laptop.org
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