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 <[email protected]> --- Cc: Bhupesh Sharma <[email protected]> Cc: Faiz Abbas <[email protected]> --- 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 <[email protected]> Tested-by: Bhupesh Sharma <[email protected]>
