shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-10 21:07:02 +09:00
Code Issues Packages Projects Releases Wiki Activity

UPSTREAM: mmc: dw_mmc: change the DW_MCI_FREQ_MIN from 400K to 100K

Browse Source 
If there is no property "clock-freq-min-max", mmc->f_min should be set
to 400K by default. But Some SoC can be used 100K.
When 100K is used, MMC core will try to check from 400K to 100K.

Change-Id: I059c994f1654c212bcff9b85dbffd9697d800eaf
Reported-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
(cherry picked from commit 72e83577bc)
This commit is contained in:
Jaehoon Chung
2016-11-17 16:40:35 +09:00
committed by Huang, Tao
parent 0088faa3f8
commit 4c57c3d2b2
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/mmc/host/dw_mmc.c
View File

@@ -54,7 +54,7 @@
#define DW_MCI_DMA_THRESHOLD 16
#define DW_MCI_FREQ_MAX 200000000 /* unit: HZ */
#define DW_MCI_FREQ_MIN 400000 /* unit: HZ */
#define DW_MCI_FREQ_MIN 100000 /* unit: HZ */
#define IDMAC_INT_CLR (SDMMC_IDMAC_INT_AI | SDMMC_IDMAC_INT_NI | \
SDMMC_IDMAC_INT_CES | SDMMC_IDMAC_INT_DU | \