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mmc: recognize CSD structure

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The eMMC spec 4.4 and 4.3 + additional feature chips has CSD structure
version 3 and version 3 have to check the CSD_STRUCTURE byte in the
EXT_CSD register.

Also fix EXT_CSD revision message.

[akpm@linux-foundation.org: fix comment, per Chris Ball]
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Adrian Hunter <adrian.hunter@nokia.com>
Cc: Chris Ball <cjb@laptop.org>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kyungmin Park
2010-08-10 18:01:36 -07:00
committed by Linus Torvalds
parent a892e2d7dc
commit 6da24b786e
3 changed files with 21 additions and 7 deletions
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include/linux/mmc/card.h
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@@ -24,6 +24,7 @@ struct mmc_cid {
};
struct mmc_csd {
unsigned char structure;
unsigned char mmca_vsn;
unsigned short cmdclass;
unsigned short tacc_clks;