> > Some UFS host controller may need to configure some things before any
> > task management request is issued
> >
> > Signed-off-by: Kiwoong Kim <kwmad.kim@xxxxxxxxxxx>
> > ---
> > drivers/scsi/ufs/ufshcd.c | 1 +
> > drivers/scsi/ufs/ufshcd.h | 10 ++++++++++
> > 2 files changed, 11 insertions(+)
> >
> > diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
> > index bf78321..fdb0502 100644
> > --- a/drivers/scsi/ufs/ufshcd.c
> > +++ b/drivers/scsi/ufs/ufshcd.c
> > @@ -4358,6 +4358,7 @@ static int ufshcd_issue_tm_cmd(struct ufs_hba
> > *hba, int lun_id, int task_id,
> > task_req_upiup->input_param2 = cpu_to_be32(task_id);
> >
> > /* send command to the controller */
>
> May be you need to move this comment just above __set_bit() call. Rest all
> looks good in this patch.
Okay. I'll apply what you said on new version of this patch..
>
> > + ufshcd_vops_setup_task_mgmt(hba, free_slot, tm_function);
> > __set_bit(free_slot, &hba->outstanding_tasks);
> >
> > /* Make sure descriptors are ready before ringing the task doorbell
> > */ diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
> > index f2a69c0..b084d89 100644
> > --- a/drivers/scsi/ufs/ufshcd.h
> > +++ b/drivers/scsi/ufs/ufshcd.h
> > @@ -263,6 +263,8 @@ struct ufs_pwr_mode_info {
> > * to be set.
> > * @setup_xfer_req: called before any transfer request is issued
> > * to set some things
> > + * @setup_task_mgmt: called before any task management request is
> > issued
> > + * to set some things
> > * @suspend: called during host controller PM callback
> > * @resume: called during host controller PM callback
> > * @dbg_register_dump: used to dump controller debug information @@
> > -287,6 +289,7 @@ struct ufs_hba_variant_ops {
> > struct ufs_pa_layer_attr *,
> > struct ufs_pa_layer_attr *);
> > void (*setup_xfer_req)(struct ufs_hba *, int, bool);
> > + void (*setup_task_mgmt)(struct ufs_hba *, int, u8);
> > int (*suspend)(struct ufs_hba *, enum ufs_pm_op);
> > int (*resume)(struct ufs_hba *, enum ufs_pm_op);
> > void (*dbg_register_dump)(struct ufs_hba *hba);
> > @@ -811,6 +814,13 @@ static inline void
> > ufshcd_vops_setup_xfer_req(struct ufs_hba *hba, int tag,
> > return hba->vops->setup_xfer_req(hba, tag,
> is_cmd_not_null); }
> >
> > +static inline void ufshcd_vops_setup_task_mgmt(struct ufs_hba *hba,
> > + int tag, u8 tm_function)
> > +{
> > + if (hba->vops && hba->vops->setup_task_mgmt)
> > + return hba->vops->setup_task_mgmt(hba, tag, tm_function); }
> > +
> > static inline int ufshcd_vops_suspend(struct ufs_hba *hba, enum
> > ufs_pm_op op) {
> > if (hba->vops && hba->vops->suspend)
>
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