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SubjectRe: [RFC PATCH v2 2/5] scsi: ufs: Add UFS-feature layer
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Hi, Daejun

On Mon, 2020-06-15 at 16:23 +0900, Daejun Park wrote:
> +void ufsf_scan_features(struct ufs_hba *hba)
> +{
> + int ret;
> +
> + init_waitqueue_head(&hba->ufsf.sdev_wait);
> + atomic_set(&hba->ufsf.slave_conf_cnt, 0);
> +
> + if (hba->dev_info.wspecversion >= HPB_SUPPORTED_VERSION &&
> + (hba->dev_info.b_ufs_feature_sup & UFS_DEV_HPB_SUPPORT))

How about removing this check "(hba->dev_info.wspecversion >=
HPB_SUPPORTED_VERSION" since ufs with lower version than v3.1 can add
HPB feature by FFU,
if (hba->dev_info.b_ufs_feature_sup &UFS_FEATURE_SUPPORT_HPB_BIT) is
enough.


>
> +#define HPB_SUPPORTED_VERSION 0x0310



Thank,
Bean

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