diff options
| author | Seungwon Jeon <tgih.jun@samsung.com> | 2011-10-14 14:03:21 +0900 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2011-10-26 16:32:28 -0400 |
| commit | 881d1c25f765938a95def5afe39486ce39f9fc96 (patch) | |
| tree | 694d5ea1b3fba2c28cc110123f2ca50b4408f309 /include/linux/mmc/card.h | |
| parent | 71fe3eb0d006861bdae57e93975b6ae3d9b55e99 (diff) | |
mmc: core: Add cache control for eMMC4.5 device
This patch adds cache feature of eMMC4.5 Spec.
If device supports cache capability, host can utilize some specific
operations.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'include/linux/mmc/card.h')
| -rw-r--r-- | include/linux/mmc/card.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 551378508784..32492b78aed6 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -51,6 +51,7 @@ struct mmc_ext_csd { u8 rel_sectors; u8 rel_param; u8 part_config; + u8 cache_ctrl; u8 rst_n_function; unsigned int part_time; /* Units: ms */ unsigned int sa_timeout; /* Units: 100ns */ @@ -67,6 +68,7 @@ struct mmc_ext_csd { bool enhanced_area_en; /* enable bit */ unsigned long long enhanced_area_offset; /* Units: Byte */ unsigned int enhanced_area_size; /* Units: KB */ + unsigned int cache_size; /* Units: KB */ u8 raw_partition_support; /* 160 */ u8 raw_erased_mem_count; /* 181 */ u8 raw_ext_csd_structure; /* 194 */ |