From: Jaehoon Chung Date: Thu, 17 Nov 2016 07:40:35 +0000 (+0900) Subject: UPSTREAM: mmc: dw_mmc: change the DW_MCI_FREQ_MIN from 400K to 100K X-Git-Tag: firefly_0821_release~493 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4c57c3d2b2085c74a7b580746b11fa9d57230d32;p=firefly-linux-kernel-4.4.55.git UPSTREAM: 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. Change-Id: I059c994f1654c212bcff9b85dbffd9697d800eaf Reported-by: Shawn Lin Signed-off-by: Jaehoon Chung Tested-by: Heiko Stuebner Reviewed-by: Shawn Lin Signed-off-by: Ulf Hansson Signed-off-by: Huang, Tao (cherry picked from commit 72e83577bc5bc02a92c7fd47d108de11c04dcbf0) --- diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 3f5ece5f9cc2..11ad6297eebd 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -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 | \