Message ID | 20200504140531.16260-4-beanhuo@micron.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | scsi: ufs: add UFS Host Performance Booster(HPB) support | expand |
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index 53a5e263f7c8..1f2d4b4950b8 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h @@ -543,6 +543,8 @@ struct ufs_dev_info { u16 hpb_ver; /* bHPBControl */ u8 hpb_control_mode; + /* bUFSFeaturesSupport */ + u8 ufs_features; }; /** diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 83ed2879d930..1fe7ffc1a75a 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -6625,6 +6625,8 @@ static int ufs_get_device_desc(struct ufs_hba *hba) goto out; } + dev_info->ufs_features = desc_buf[DEVICE_DESC_PARAM_UFS_FEAT]; + if (desc_buf[DEVICE_DESC_PARAM_UFS_FEAT] & 0x80) { hba->dev_info.hpb_control_mode = desc_buf[DEVICE_DESC_PARAM_HPB_CTRL_MODE];