[PATCH RFC] scsi: ufs: Disable blk-mq for now

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blk-mq does not support runtime pm, so disable blk-mq support for now.

Fixes: d5038a13eca7 ("scsi: core: switch to scsi-mq by default")
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
 drivers/scsi/ufs/ufshcd.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 40548bae8efa..a4d36497a047 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -7975,6 +7975,13 @@ int ufshcd_alloc_host(struct device *dev, struct ufs_hba **hba_handle)
 		err = -ENOMEM;
 		goto out_error;
 	}
+
+	/*
+	 * Do not use blk-mq at this time because blk-mq does not support
+	 * runtime pm.
+	 */
+	host->use_blk_mq = false;
+
 	hba = shost_priv(host);
 	hba->host = host;
 	hba->dev = dev;
-- 
2.17.1




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