[PATCH v1 3/5] scsi: ufs: add ufs_features parameter in structure ufs_dev_info

From: huobean
Date: Fri Mar 20 2020 - 20:42:23 EST


From: Bean Huo <beanhuo@xxxxxxxxxx>

Make a copy of bUFSFeaturesSupport, name it ufs_features, add it
to structure ufs_dev_info.

Signed-off-by: Bean Huo <beanhuo@xxxxxxxxxx>
---
drivers/scsi/ufs/ufs.h | 2 ++
drivers/scsi/ufs/ufshcd.c | 2 ++
2 files changed, 4 insertions(+)

diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index 31011d86610b..1a0053133a04 100644
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -547,6 +547,8 @@ 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 a40023ad1336..8c7a89c73188 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -6557,6 +6557,8 @@ 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];
--
2.17.1