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

mmc: core: Calculate the discard arg only once

Browse Source 
In MMC, the discard arg is a read-only ext_csd parameter - set it once
on card init. To be consistent, do that for SD as well even though its
discard arg is always 0x0.

Signed-off-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Avri Altman
2019-02-06 13:28:05 +02:00
committed by Ulf Hansson
parent a2b760a601
commit 01904ff776
6 changed files with 21 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/linux/mmc/sd.h
View File

@@ -91,4 +91,9 @@
#define SD_SWITCH_ACCESS_DEF 0
#define SD_SWITCH_ACCESS_HS 1
/*
* Erase/discard
*/
#define SD_ERASE_ARG 0x00000000
#endif /* LINUX_MMC_SD_H */