scsi: ufs: Clear UAC for RPMB after ufshcd resets

If RPMB is not provisioned, we may see RPMB failure after UFS
suspend/resume.  Inject request_sense to clear uac in ufshcd reset flow.

Link: https://lore.kernel.org/r/20201201041402.3860525-1-jaegeuk@kernel.orgReported-by: Nkernel test robot <lkp@intel.com>
Reviewed-by: NStanley Chu <stanley.chu@mediatek.com>
Signed-off-by: NRandall Huang <huangrandall@google.com>
Signed-off-by: NLeo Liou <leoliou@google.com>
Signed-off-by: NJaegeuk Kim <jaegeuk@google.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/ufs/ufshcd.c

@@ -225,6 +225,7 @@ static int ufshcd_reset_and_restore(struct ufs_hba *hba);
 static int ufshcd_eh_host_reset_handler(struct scsi_cmnd *cmd);
 static int ufshcd_clear_tm_cmd(struct ufs_hba *hba, int tag);
 static void ufshcd_hba_exit(struct ufs_hba *hba);
+static int ufshcd_clear_ua_wluns(struct ufs_hba *hba);
 static int ufshcd_probe_hba(struct ufs_hba *hba, bool async);
 static int ufshcd_setup_clocks(struct ufs_hba *hba, bool on);
 static int ufshcd_uic_hibern8_enter(struct ufs_hba *hba);
@@ -6895,7 +6896,8 @@ static int ufshcd_host_reset_and_restore(struct ufs_hba *hba)
 
 	/* Establish the link again and restore the device */
 	err = ufshcd_probe_hba(hba, false);
-
+	if (!err)
+		ufshcd_clear_ua_wluns(hba);
 out:
 	if (err)
 		dev_err(hba->dev, "%s: Host init failed %d\n", __func__, err);
@@ -8379,13 +8381,7 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
 	 * handling context.
 	 */
 	hba->host->eh_noresume = 1;
-	if (hba->wlun_dev_clr_ua) {
-		ret = ufshcd_send_request_sense(hba, sdp);
-		if (ret)
-			goto out;
-		/* Unit attention condition is cleared now */
-		hba->wlun_dev_clr_ua = false;
-	}
+	ufshcd_clear_ua_wluns(hba);
 
 	cmd[4] = pwr_mode << 4;
 
@@ -8406,7 +8402,7 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
 
 	if (!ret)
 		hba->curr_dev_pwr_mode = pwr_mode;
-out:
+
 	scsi_device_put(sdp);
 	hba->host->eh_noresume = 0;
 	return ret;