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[95.91.252.200]) by smtp.gmail.com with ESMTPSA id p7sm19196140wrf.31.2020.05.04.07.20.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 May 2020 07:20:50 -0700 (PDT) From: huobean@gmail.com X-Google-Original-From: beanhuo@micron.com To: alim.akhtar@samsung.com, avri.altman@wdc.com, asutoshd@codeaurora.org, jejb@linux.ibm.com, martin.petersen@oracle.com, stanley.chu@mediatek.com, beanhuo@micron.com, bvanassche@acm.org, tomas.winkler@intel.com, cang@codeaurora.org, rdunlap@infradead.org Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, hch@infradead.org Subject: [RESENT PATCH RFC v3 3/5] scsi: ufs: add ufs_features parameter in structure ufs_dev_info Date: Mon, 4 May 2020 16:20:30 +0200 Message-Id: <20200504142032.16619-4-beanhuo@micron.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200504142032.16619-1-beanhuo@micron.com> References: <20200504142032.16619-1-beanhuo@micron.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Bean Huo Make a copy of bUFSFeaturesSupport, name it ufs_features, add it to structure ufs_dev_info. Signed-off-by: Bean Huo --- 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 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]; -- 2.17.1