On Wed, 2021-02-24 at 13:54 +0900, Daejun Park wrote:

+void ufshpb_init(struct ufs_hba *hba)
+{
+	struct ufshpb_dev_info *hpb_dev_info = &hba->ufshpb_dev;
+	int try;
+	int ret;
+
+	if (!ufshpb_is_allowed(hba))
+		return;
+

Here it is better to check "dev_info->hpb_enable", if HPB is not
enabled from UFS device level,  doesn't need to create mempool and take
other memory resource.

Bean