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ufs: Add UFSHCD_QUIRK_HIBERN_FASTAUTO

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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>
This commit is contained in:
Marek Vasut 2023-08-16 17:05:51 +02:00 committed by Tom Rini
parent 91913a1aa2
commit f430151e10
2 changed files with 13 additions and 2 deletions
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9
drivers/ufs/ufs.c
View File

@ -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 */

6
drivers/ufs/ufs.h
View File

@ -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;