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scsi: ufs: core: Add UFSHCD_QUIRK_HIBERN_FASTAUTO 

Add UFSHCD_QUIRK_HIBERN_FASTAUTO quirk for host controllers which supports
auto-hibernate the capability but only FASTAUTO mode.

Link: https://lore.kernel.org/r/20220603110524.1997825-4-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Yoshihiro Shimoda 2022-06-03 20:05:20 +09:00 committed by Martin K. Petersen
parent 6554400d6f
commit 2f11bbc2c7
2 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/ufs/core/ufshcd.c
View File

@ -4260,8 +4260,13 @@ 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
include/ufs/ufshcd.h
View File

@ -583,6 +583,12 @@ enum ufshcd_quirks {
* 64-bit addressing supported capability but it doesn't work.
*/
UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS = 1 << 17,
/*
* This quirk needs to be enabled if the host controller has
* auto-hibernate capability but it's FASTAUTO only.
*/
UFSHCD_QUIRK_HIBERN_FASTAUTO = 1 << 18,
};
enum ufshcd_caps {