SDIO probe: Error -84

Marc Pignat marc.pignat at
Wed Nov 5 03:21:55 EST 2008

Hi all!

I had a look to the at91_mci.c driver, the only way to have error = -EILSEQ, is
the controller seeing a CRC error.

This can mean:
 a) You've hardware problems with connections (or power supply).
 b) The firmware (or helper) is doing something wrong
 c) You've found yet another bug in this mci controller :-/

I suspect this is a problem with a) or b) because I've never seen this error
on any mailing list.

Can you tell me the revision of your CPU, so we can have a look at the latest

Best regards


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