linux-kernel - [PATCH v1 3/5] scsi: ufs: add ufs_features parameter in structure ufs_dev

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Message-Id: <20200321004156.23364-4-beanhuo@micron.com>
Date:   Sat, 21 Mar 2020 01:41:54 +0100
From:   huobean@...il.com
To:     alim.akhtar@...sung.com, avri.altman@....com,
        asutoshd@...eaurora.org, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        beanhuo@...ron.com, bvanassche@....org, tomas.winkler@...el.com,
        cang@...eaurora.org
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        ymhungry.lee@...sung.com, j-young.choi@...sung.com
Subject: [PATCH v1 3/5] scsi: ufs: add ufs_features parameter in structure ufs_dev_info

From: Bean Huo <beanhuo@...ron.com>

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

Signed-off-by: Bean Huo <beanhuo@...ron.com>
---
 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