Hi, Bart
> > diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
> > index 44b7c0a44b8d..31b6e2a7c166 100644
> > --- a/drivers/scsi/ufs/ufshcd.c
> > +++ b/drivers/scsi/ufs/ufshcd.c
> > @@ -6967,8 +6967,7 @@ static int ufs_lu_add(struct ufs_hba *hba) {
> > int ret;
> >
> > - if (!hba->is_init_prefetch)
> > - ufshcd_init_icc_levels(hba);
> > + ufshcd_init_icc_levels(hba);
> >
> > /* Add required well known logical units to scsi mid layer */
> > ret = ufshcd_scsi_add_wlus(hba);
> > @@ -6994,8 +6993,6 @@ static int ufs_lu_add(struct ufs_hba *hba)
> > scsi_scan_host(hba->host);
> > pm_runtime_put_sync(hba->dev);
> >
> > - if (!hba->is_init_prefetch)
> > - hba->is_init_prefetch = true;
> > out:
> > return ret;
> > }
>
> The current code calls ufshcd_init_icc_levels() once per HBA. This patch changes
> that into one call per LUN. It seems like the patch description contradicts the
> code I see above.
>
No, it is still called once per HBA. The current UFS driver doesn't have per LU initialization path.
After this patch, the path likes this:
ufshcd_pltfrm_init(pdev, of_id->data);
ufshcd_init(hba, mmio_base, irq);
ufshcd_async_scan()
ufs_lu_add()-->ufshcd_init_icc_levels()
I should change ufs_lu_add() name to ufs_lus_add(), will make it clearer.
//Bean
