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

[cang]

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)
> > --
> > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora 
> > Forum,
> > a Linux Foundation Collaborative Project