linux-kernel - [PATCH] scsi: ufs: Give an unique ID to each ufs-bsg

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Date:   Tue, 3 Dec 2019 06:58:40 +0000
From:   Can Guo <cang@...eaurora.org>
To:     asutoshd@...eaurora.org, nguyenb@...eaurora.org,
        rnayak@...eaurora.org, linux-scsi@...r.kernel.org,
        kernel-team@...roid.com, saravanak@...gle.com, salyzyn@...gle.com,
        cang@...eaurora.org
Cc:     Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        Pedro Sousa <pedrom.sousa@...opsys.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Bean Huo <beanhuo@...ron.com>,
        Evan Green <evgreen@...omium.org>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] scsi: ufs: Give an unique ID to each ufs-bsg

Considering there can be multiple UFS hosts in SoC, give each ufs-bsg an
unique ID by appending the scsi host number to its device name.

Fixes: df032bf27 (scsi: ufs: Add a bsg endpoint that supports UPIUs)
Signed-off-by: Can Guo <cang@...eaurora.org>
Reviewed-by: Avri Altman <avri.altman@....com>
Reviewed-by: Christoph Hellwig <hch@....de>

diff --git a/drivers/scsi/ufs/ufs_bsg.c b/drivers/scsi/ufs/ufs_bsg.c
index dc2f6d2..d2197a3 100644
--- a/drivers/scsi/ufs/ufs_bsg.c
+++ b/drivers/scsi/ufs/ufs_bsg.c
@@ -202,7 +202,7 @@ int ufs_bsg_probe(struct ufs_hba *hba)
 	bsg_dev->parent = get_device(parent);
 	bsg_dev->release = ufs_bsg_node_release;
 
-	dev_set_name(bsg_dev, "ufs-bsg");
+	dev_set_name(bsg_dev, "ufs-bsg%u", shost->host_no);
 
 	ret = device_add(bsg_dev);
 	if (ret)
-- 
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