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authorKyungmin Park <kmpark@infradead.org>2010-08-11 05:01:36 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-11 19:59:02 +0400
commit6da24b786ed1963a7f872c1899627968c76d17d7 (patch)
tree992e2800e6aa88218f521ddd2f1cad879dcae380 /include/linux/mmc/mmc.h
parenta892e2d7dcdfa6c76e60c50a8c7385c65587a2a6 (diff)
downloadlinux-6da24b786ed1963a7f872c1899627968c76d17d7.tar.xz
mmc: recognize CSD structure
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>
Diffstat (limited to 'include/linux/mmc/mmc.h')
-rw-r--r--include/linux/mmc/mmc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 8a49cbf0376d..52ce98866287 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -254,6 +254,7 @@ struct _mmc_csd {
#define EXT_CSD_BUS_WIDTH 183 /* R/W */
#define EXT_CSD_HS_TIMING 185 /* R/W */
#define EXT_CSD_CARD_TYPE 196 /* RO */
+#define EXT_CSD_STRUCTURE 194 /* RO */
#define EXT_CSD_REV 192 /* RO */
#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
#define EXT_CSD_S_A_TIMEOUT 217