xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mmc: add packed command feature of eMMC4.5

Browse Source 
This patch adds packed command feature of eMMC4.5.  The maximum number
for packing read (or write) is offered and exception event relevant to
packed command which is used for error handling is enabled. If host
wants to use this feature, MMC_CAP2_PACKED_CMD should be set.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Reviewed-by: Maya Erez <merez@codeaurora.org>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Seungwon Jeon
2013-02-06 17:01:43 +09:00
committed by Chris Ball
parent ac48653cec
commit abd9ac1449
4 changed files with 48 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/linux/mmc/card.h
View File

@@ -53,6 +53,9 @@ struct mmc_ext_csd {
u8 part_config;
u8 cache_ctrl;
u8 rst_n_function;
u8 max_packed_writes;
u8 max_packed_reads;
u8 packed_event_en;
unsigned int part_time; /* Units: ms */
unsigned int sa_timeout; /* Units: 100ns */
unsigned int generic_cmd6_time; /* Units: 10ms */