Hi Chanho > -----Original Message----- > From: Chanho Park <chanho61.park@xxxxxxxxxxx> > Sent: 09 July 2021 12:27 > To: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>; James E . J . Bottomley > <jejb@xxxxxxxxxxxxx>; Martin K . Petersen <martin.petersen@xxxxxxxxxx> > Cc: Can Guo <cang@xxxxxxxxxxxxxx>; Jaegeuk Kim <jaegeuk@xxxxxxxxxx>; > Kiwoong Kim <kwmad.kim@xxxxxxxxxxx>; Avri Altman > <avri.altman@xxxxxxx>; Adrian Hunter <adrian.hunter@xxxxxxxxx>; > Christoph Hellwig <hch@xxxxxxxxxxxxx>; Bart Van Assche > <bvanassche@xxxxxxx>; jongmin jeong <jjmin.jeong@xxxxxxxxxxx>; > Gyunghoon Kwon <goodjob.kwon@xxxxxxxxxxx>; linux-samsung- > soc@xxxxxxxxxxxxxxx; linux-scsi@xxxxxxxxxxxxxxx; Chanho Park > <chanho61.park@xxxxxxxxxxx> > Subject: [PATCH 06/15] scsi: ufs: ufs-exynos: add refclkout_stop control > > This patch adds REFCLKOUT_STOP control to CLK_STOP_MASK. It can > en/disable reference clock out control for UFS device. > > Signed-off-by: Chanho Park <chanho61.park@xxxxxxxxxxx> > --- Reviewed-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx> > drivers/scsi/ufs/ufs-exynos.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c > index da02ad3b036c..78cc5bda0a1f 100644 > --- a/drivers/scsi/ufs/ufs-exynos.c > +++ b/drivers/scsi/ufs/ufs-exynos.c > @@ -49,10 +49,11 @@ > #define HCI_ERR_EN_T_LAYER 0x84 > #define HCI_ERR_EN_DME_LAYER 0x88 > #define HCI_CLKSTOP_CTRL 0xB0 > +#define REFCLKOUT_STOP BIT(4) > #define REFCLK_STOP BIT(2) > #define UNIPRO_MCLK_STOP BIT(1) > #define UNIPRO_PCLK_STOP BIT(0) > -#define CLK_STOP_MASK (REFCLK_STOP |\ > +#define CLK_STOP_MASK (REFCLKOUT_STOP | REFCLK_STOP |\ > UNIPRO_MCLK_STOP |\ > UNIPRO_PCLK_STOP) > #define HCI_MISC 0xB4 > -- > 2.32.0
