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(parent: 00adadc) | patch
mmc_spi: do not check CID and CSD blocks with CRC16
authorWolfgang Muees <wolfgang.mues@auerswald.de>
Tue, 7 Apr 2009 13:48:16 +0000 (14:48 +0100)
committerPierre Ossman <pierre@ossman.eu>
Wed, 8 Apr 2009 18:37:53 +0000 (20:37 +0200)
commit9d9f25c036dd584db175552a7d162403d3ab54b3
tree42aa05d8091832eb28ee2237e775e8b738af11d4tree | snapshot (tar.gz zip)
parent00adadc12196c7b3e8923729e728162267e98ff7commit | diff
mmc_spi: do not check CID and CSD blocks with CRC16

Some cards are not able to calculate a valid CRC16 value
for CID and CSD reads (CRC for 512 byte data blocks is OK).
By moving the CRC enable after the read of CID and CSD, these
cards can be used. This patch was tested with a faulty 8 GByte
takeMS Class 6 SDHC card. This patch was suggested by
Pierre Ossman.

Signed-off-by: Wolfgang Muees <wolfgang.mues@auerswald.de>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
drivers/mmc/core/sd.c diff | blob | blame | history