RE: [PATCH v1 1/6] scsi: ufs-mediatek: Assign arguments with correct type
From: Avri Altman
Date: Tue Nov 03 2020 - 03:55:27 EST
>
> Hi Avri,
>
> On Tue, 2020-11-03 at 07:12 +0000, Avri Altman wrote:
> > >
> > > In ufs_mtk_unipro_set_lpm(), use specific unsigned values
> > > as the argument to invoke ufshcd_dme_set().
> > >
> > > In the same time, change the name of ufs_mtk_unipro_set_pm()
> > > to ufs_mtk_unipro_set_lpm() to align the naming convention
> > > in MediaTek UFS driver.
> > >
> > > Signed-off-by: Stanley Chu <stanley.chu@xxxxxxxxxxxx>
> > Looks like this patch is gilding the lily?
>
> Thanks for the review.
>
> Please see explanation below.
>
> >
> > > ---
> > > drivers/scsi/ufs/ufs-mediatek.c | 12 ++++++------
> > > 1 file changed, 6 insertions(+), 6 deletions(-)
> > >
> > > diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-
> mediatek.c
> > > index 8df73bc2f8cb..0196a89055b5 100644
> > > --- a/drivers/scsi/ufs/ufs-mediatek.c
> > > +++ b/drivers/scsi/ufs/ufs-mediatek.c
> > > @@ -639,14 +639,14 @@ static int ufs_mtk_pwr_change_notify(struct
> > > ufs_hba *hba,
> > > return ret;
> > > }
> > >
> > > -static int ufs_mtk_unipro_set_pm(struct ufs_hba *hba, bool lpm)
> > > +static int ufs_mtk_unipro_set_lpm(struct ufs_hba *hba, bool lpm)
> > > {
> > > int ret;
> > > struct ufs_mtk_host *host = ufshcd_get_variant(hba);
> > >
> > > ret = ufshcd_dme_set(hba,
> > > UIC_ARG_MIB_SEL(VS_UNIPROPOWERDOWNCONTROL,
> 0),
> > > - lpm);
> > > + lpm ? 1 : 0);
> > bool is implicitly converted to int anyway?
>
> This change is the echo of your suggestion in
> https://patchwork.kernel.org/project/linux-
> scsi/patch/20200908064507.30774-4-stanley.chu@xxxxxxxxxxxx/
>
> Actually I think your suggestion is constructive that the accepted
> values of VS_UNIPROPOWERDOWNCONTROL are better clearly defined so I
> use
> the casting here in this patch.
My previous comment that you refer to was against using bool as well,
But to leave it u32.
Anyway, I am not religious about it.
Looks fine,
Avri