scsi: ufs: unify scsi_block_requests usage

Currently UFS driver has ufshcd_scsi_block_requests() with reference
counter mechanism to avoid possible racing of blocking and unblocking
requests flow. Unify all users in UFS driver to use the same function.

Link: https://lore.kernel.org/r/1577192466-20762-2-git-send-email-stanley.chu@mediatek.com
Reviewed-by: Can Guo <cang@codeaurora.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index a6936bebb51339314f21838fa614e03753f1abfe..0d2ebeafa9b7484efbe95eeb0853a07161c9736f 100644 (file)
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -5159,7 +5159,7 @@ static void ufshcd_exception_event_handler(struct work_struct *work)
        hba = container_of(work, struct ufs_hba, eeh_work);
 
        pm_runtime_get_sync(hba->dev);
-       scsi_block_requests(hba->host);
+       ufshcd_scsi_block_requests(hba);
        err = ufshcd_get_ee_status(hba, &status);
        if (err) {
                dev_err(hba->dev, "%s: failed to get exception status %d\n",
@@ -5173,7 +5173,7 @@ static void ufshcd_exception_event_handler(struct work_struct *work)
                ufshcd_bkops_exception_event_handler(hba);
 
 out:
-       scsi_unblock_requests(hba->host);
+       ufshcd_scsi_unblock_requests(hba);
        pm_runtime_put_sync(hba->dev);
        return;
 }