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

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On 2019-12-02 15:23, Avri Altman wrote:
Hi,

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.
Can you refer me to such a design?

Thanks,
Avri


Consider a platform which has an embedded UFS device and supports a UFS card meanwhile. This conbination is very popular nowadays. BTW, 845 started supporting two UFS hosts 3 years ago.

Thanks,

Can Guo


Signed-off-by: Can Guo <cang@xxxxxxxxxxxxxx>

diff --git a/drivers/scsi/ufs/ufs_bsg.c b/drivers/scsi/ufs/ufs_bsg.c index
dc2f6d2..3ef5b78 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%d", shost->host_no);

        ret = device_add(bsg_dev);
        if (ret)
--
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