| Message ID | 20161115101232.3854-4-jh80.chung@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
在 2016/11/15 18:12, Jaehoon Chung 写道: > 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> It makes more sense that the original 400KHz, thanks for improving that. Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com> > --- > drivers/mmc/host/dw_mmc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c > index 6c0c4c5..be36f48 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 | \ >
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 6c0c4c5..be36f48 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 | \