diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index d47c32510bd3..e161805fe136 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -226,7 +226,6 @@ 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 inline void ufshcd_add_delay_before_dme_cmd(struct ufs_hba *hba); @@ -4087,8 +4086,6 @@ int ufshcd_link_recovery(struct ufs_hba *hba) if (ret) dev_err(hba->dev, "%s: link recovery failed, err %d", __func__, ret); - else - ufshcd_clear_ua_wluns(hba); return ret; } @@ -5950,7 +5947,6 @@ static void ufshcd_err_handling_unprepare(struct ufs_hba *hba) ufshcd_release(hba); if (ufshcd_is_clkscaling_supported(hba)) ufshcd_clk_scaling_suspend(hba, false); - ufshcd_clear_ua_wluns(hba); pm_runtime_put(hba->dev); } @@ -7862,8 +7858,6 @@ static int ufshcd_add_lus(struct ufs_hba *hba) if (ret) goto out; - ufshcd_clear_ua_wluns(hba); - /* Initialize devfreq after UFS device is detected */ if (ufshcd_is_clkscaling_supported(hba)) { memcpy(&hba->clk_scaling.saved_pwr_info.info, @@ -7889,63 +7883,6 @@ out: return ret; } -static int -ufshcd_send_request_sense(struct ufs_hba *hba, struct scsi_device *sdp); - -static int ufshcd_clear_ua_wlun(struct ufs_hba *hba, u8 wlun) -{ - struct scsi_device *sdp; - unsigned long flags; - int ret = 0; - - spin_lock_irqsave(hba->host->host_lock, flags); - if (wlun == UFS_UPIU_UFS_DEVICE_WLUN) - sdp = hba->sdev_ufs_device; - else if (wlun == UFS_UPIU_RPMB_WLUN) - sdp = hba->sdev_rpmb; - else - BUG(); - if (sdp) { - ret = scsi_device_get(sdp); - if (!ret && !scsi_device_online(sdp)) { - ret = -ENODEV; - scsi_device_put(sdp); - } - } else { - ret = -ENODEV; - } - spin_unlock_irqrestore(hba->host->host_lock, flags); - if (ret) - goto out_err; - - ret = ufshcd_send_request_sense(hba, sdp); - scsi_device_put(sdp); -out_err: - if (ret) - dev_err(hba->dev, "%s: UAC clear LU=%x ret = %d\n", - __func__, wlun, ret); - return ret; -} - -static int ufshcd_clear_ua_wluns(struct ufs_hba *hba) -{ - int ret = 0; - - if (!hba->wlun_dev_clr_ua) - goto out; - - ret = ufshcd_clear_ua_wlun(hba, UFS_UPIU_UFS_DEVICE_WLUN); - if (!ret) - ret = ufshcd_clear_ua_wlun(hba, UFS_UPIU_RPMB_WLUN); - if (!ret) - hba->wlun_dev_clr_ua = false; -out: - if (ret) - dev_err(hba->dev, "%s: Failed to clear UAC WLUNS ret = %d\n", - __func__, ret); - return ret; -} - /** * ufshcd_probe_hba - probe hba to detect device and initialize * @hba: per-adapter instance @@ -7999,7 +7936,6 @@ static int ufshcd_probe_hba(struct ufs_hba *hba, bool async) /* UFS device is also active now */ ufshcd_set_ufs_dev_active(hba); ufshcd_force_reset_auto_bkops(hba); - hba->wlun_dev_clr_ua = true; /* Gear up to HS gear if supported */ if (hba->max_pwr_info.is_valid) { @@ -8528,35 +8464,6 @@ static void ufshcd_hba_exit(struct ufs_hba *hba) } } -static int -ufshcd_send_request_sense(struct ufs_hba *hba, struct scsi_device *sdp) -{ - unsigned char cmd[6] = {REQUEST_SENSE, - 0, - 0, - 0, - UFS_SENSE_SIZE, - 0}; - char *buffer; - int ret; - - buffer = kzalloc(UFS_SENSE_SIZE, GFP_KERNEL); - if (!buffer) { - ret = -ENOMEM; - goto out; - } - - ret = scsi_execute(sdp, cmd, DMA_FROM_DEVICE, buffer, - UFS_SENSE_SIZE, NULL, NULL, - msecs_to_jiffies(1000), 3, 0, RQF_PM, NULL); - if (ret) - pr_err("%s: failed with err %d\n", __func__, ret); - - kfree(buffer); -out: - return ret; -} - /** * ufshcd_set_dev_pwr_mode - sends START STOP UNIT command to set device * power mode @@ -8598,7 +8505,6 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba, * handling context. */ hba->host->eh_noresume = 1; - ufshcd_clear_ua_wluns(hba); cmd[4] = pwr_mode << 4; @@ -8927,7 +8833,6 @@ enable_gating: hba->clk_gating.is_suspended = false; hba->dev_info.b_rpm_dev_flush_capable = false; - ufshcd_clear_ua_wluns(hba); ufshcd_release(hba); ufshpb_resume(hba); out: @@ -9036,8 +8941,6 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op) cancel_delayed_work(&hba->rpm_dev_flush_recheck_work); } - ufshcd_clear_ua_wluns(hba); - /* Schedule clock gating in case of no access to UFS device yet */ ufshcd_release(hba);