On 8/16/23 8:35 PM, Marek Vasut wrote:
Add UFSHCD_QUIRK_HIBERN_FASTAUTO quirk for host controllers which supports auto-hibernate the capability but only FASTAUTO mode.
Ported from Linux kernel commit 2f11bbc2c7f3 ("scsi: ufs: core: Add UFSHCD_QUIRK_HIBERN_FASTAUTO")
Signed-off-by: Marek Vasut marek.vasut+renesas@mailbox.org
Cc: Bhupesh Sharma bhupesh.sharma@linaro.org Cc: Faiz Abbas faiz_abbas@ti.com
V2: Use BIT() macro
drivers/ufs/ufs.c | 9 +++++++-- drivers/ufs/ufs.h | 6 ++++++ 2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/ufs/ufs.c b/drivers/ufs/ufs.c index da0550d98c6..261ae2843c2 100644 --- a/drivers/ufs/ufs.c +++ b/drivers/ufs/ufs.c @@ -1631,8 +1631,13 @@ 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/ufs/ufs.h b/drivers/ufs/ufs.h index e5ddb6f64a9..638c10b5503 100644 --- a/drivers/ufs/ufs.h +++ b/drivers/ufs/ufs.h @@ -725,6 +725,12 @@ struct ufs_hba { */ #define UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS BIT(1)
+/*
- This quirk needs to be enabled if the host controller has
- auto-hibernate capability but it's FASTAUTO only.
- */
+#define UFSHCD_QUIRK_HIBERN_FASTAUTO BIT(2)
- /* Virtual memory reference */ struct utp_transfer_cmd_desc *ucdl; struct utp_transfer_req_desc *utrdl;
Reviewed-by: Bhupesh Sharma bhupesh.sharma@linaro.org Tested-by: Bhupesh Sharma bhupesh.sharma@linaro.org