Re: [RESENT PATCH RFC v3 3/5] scsi: ufs: add ufs_features parameter in structure ufs_dev_info

From: Bart Van Assche
Date: Thu May 07 2020 - 21:02:40 EST


On 2020-05-04 07:20, huobean@xxxxxxxxx wrote:
> 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 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];

Since this patch touches the same code as patch 1/5, please merge
patches 1/5 and 3/5 into a single patch.

Thanks,

Bart.