diff options
| author | Kyungmin Park <kmpark@infradead.org> | 2010-08-10 18:01:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-11 08:59:02 -0700 |
| commit | 6da24b786ed1963a7f872c1899627968c76d17d7 (patch) | |
| tree | 992e2800e6aa88218f521ddd2f1cad879dcae380 /include/linux/mmc | |
| parent | a892e2d7dcdfa6c76e60c50a8c7385c65587a2a6 (diff) | |
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')
| -rw-r--r-- | include/linux/mmc/card.h | 1 | ||||
| -rw-r--r-- | include/linux/mmc/mmc.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index d02d2c6e0cf..c83c7a7303f 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -24,6 +24,7 @@ struct mmc_cid { }; struct mmc_csd { + unsigned char structure; unsigned char mmca_vsn; unsigned short cmdclass; unsigned short tacc_clks; diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index 8a49cbf0376..52ce9886628 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 |