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: Faiz Abbas faiz_abbas@ti.com --- 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 070db0dce68..33ca5f29812 100644 --- a/drivers/ufs/ufs.h +++ b/drivers/ufs/ufs.h @@ -725,6 +725,12 @@ struct ufs_hba { */ #define UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS 0x2
+/* + * This quirk needs to be enabled if the host controller has + * auto-hibernate capability but it's FASTAUTO only. + */ +#define UFSHCD_QUIRK_HIBERN_FASTAUTO 0x4 + /* Virtual memory reference */ struct utp_transfer_cmd_desc *ucdl; struct utp_transfer_req_desc *utrdl;