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.
>
> > if (!ret || !lpm) {
> > /*
> > * Forcibly set as non-LPM mode if UIC commands is failed
> > @@ -664,7 +664,7 @@ static int ufs_mtk_pre_link(struct ufs_hba *hba)
> > int ret;
> > u32 tmp;
> >
> > - ret = ufs_mtk_unipro_set_pm(hba, false);
> > + ret = ufs_mtk_unipro_set_lpm(hba, false);
> > if (ret)
> > return ret;
> >
> > @@ -774,7 +774,7 @@ static int ufs_mtk_link_set_hpm(struct ufs_hba
> > *hba)
> > if (err)
> > return err;
> >
> > - err = ufs_mtk_unipro_set_pm(hba, false);
> > + err = ufs_mtk_unipro_set_lpm(hba, false);
> > if (err)
> > return err;
> >
> > @@ -795,10 +795,10 @@ static int ufs_mtk_link_set_lpm(struct ufs_hba
> > *hba)
> > {
> > int err;
> >
> > - err = ufs_mtk_unipro_set_pm(hba, true);
> > + err = ufs_mtk_unipro_set_lpm(hba, true);
> > if (err) {
> > /* Resume UniPro state for following error recovery */
> > - ufs_mtk_unipro_set_pm(hba, false);
> > + ufs_mtk_unipro_set_lpm(hba, false);
> > return err;
> > }
> >
> > --
> > 2.18.0
Thanks,
Stanley Chu
