ufs: Add UFSHCD_QUIRK_HIBERN_FASTAUTO
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>
Reviewed-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Tested-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
diff --git a/drivers/ufs/ufs.c b/drivers/ufs/ufs.c
index da0550d..261ae28 100644
--- a/drivers/ufs/ufs.c
+++ b/drivers/ufs/ufs.c
@@ -1631,8 +1631,13 @@
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 e5ddb6f..638c10b 100644
--- a/drivers/ufs/ufs.h
+++ b/drivers/ufs/ufs.h
@@ -725,6 +725,12 @@
*/
#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;