Introduce a flag "always_on" in struct ufs_vreg to allow vendors to keep the regulator always-on.
Reviewed-by: Andy Teng <[email protected]> Signed-off-by: Stanley Chu <[email protected]> --- drivers/scsi/ufs/ufs.h | 1 + drivers/scsi/ufs/ufshcd.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index d593edb48767..26f929afbcef 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h @@ -513,6 +513,7 @@ struct ufs_query_res { struct ufs_vreg { struct regulator *reg; const char *name; + bool always_on; bool enabled; int min_uV; int max_uV; diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 6e72c0543c7b..4879e87577e1 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -7973,7 +7973,7 @@ static int ufshcd_disable_vreg(struct device *dev, struct ufs_vreg *vreg) { int ret = 0; - if (!vreg || !vreg->enabled) + if (!vreg || !vreg->enabled || vreg->always_on) goto out; ret = regulator_disable(vreg->reg); -- 2.18.0
