From: Yoshihiro Shimoda yoshihiro.shimoda.uh@renesas.com
[ Upstream commit 2f11bbc2c7f37e3a6151ac548b1c0679cc90ea83 ]
Add UFSHCD_QUIRK_HIBERN_FASTAUTO quirk for host controllers which supports auto-hibernate the capability but only FASTAUTO mode.
Link: https://lore.kernel.org/r/20220603110524.1997825-4-yoshihiro.shimoda.uh@rene... Signed-off-by: Yoshihiro Shimoda yoshihiro.shimoda.uh@renesas.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/ufs/ufshcd.c | 9 +++++++-- drivers/scsi/ufs/ufshcd.h | 6 ++++++ 2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 95be78549ed2..92de5b8d187c 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -4290,8 +4290,13 @@ static int ufshcd_get_max_pwr_mode(struct ufs_hba *hba) if (hba->max_pwr_info.is_valid) return 0;
- pwr_info->pwr_tx = FAST_MODE; - pwr_info->pwr_rx = FAST_MODE; + if (hba->quirks & UFSHCD_QUIRK_HIBERN_FASTAUTO) { + pwr_info->pwr_tx = FASTAUTO_MODE; + pwr_info->pwr_rx = FASTAUTO_MODE; + } else { + pwr_info->pwr_tx = FAST_MODE; + pwr_info->pwr_rx = FAST_MODE; + } pwr_info->hs_rate = PA_HS_MODE_B;
/* Get the connected lane count */ diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 1745144eb904..d14cc48226ce 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -608,6 +608,12 @@ enum ufshcd_quirks { * 64-bit addressing supported capability but it doesn't work. */ UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS = 1 << 17, + + /* + * This quirk needs to be enabled if the host controller has + * auto-hibernate capability but it's FASTAUTO only. + */ + UFSHCD_QUIRK_HIBERN_FASTAUTO = 1 << 18, };
enum ufshcd_caps {