Commit 72e83577 authored Nov 17, 2016 by Jaehoon Chung Committed by Ulf Hansson Nov 29, 2016

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



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.

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>

parent 1f4d5079

drivers/mmc/host/dw_mmc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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 \| \