Re: [PATCH 2/2] pinctrl: renesas: rzg2l: Move pinconf_to_config_argument() call outside of switch cases

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Hi Geert,

Thank you for the review.

On Thu, Aug 29, 2024 at 2:15 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
>
> Hi Prabhakar,
>
> Thanks for your patch!
>
> On Tue, Aug 27, 2024 at 3:17 PM Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote:
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> >
> > Refactor the `rzg2l_pinctrl_pinconf_set()` function by moving the call to
> > `arg = pinconf_to_config_argument(_configs[i])` to the beginning of the
> > loop. Previously, this call was redundantly made in each case of the
> > switch statement.
>
> This is not 100% true: the PIN_CONFIG_BIAS_* cases do not
> call pinconf_to_config_argument(). But I agree that calling it
> unconditionally doesn't harm.
>
Ok, I'll update the commit description to below:

Refactor the `rzg2l_pinctrl_pinconf_set()` function by moving the call to
`arg = pinconf_to_config_argument(_configs[i])` to the beginning of the
loop. Previously, this call was redundantly made in most cases within the
switch statement.

> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
>
> > --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> > +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> > @@ -1395,7 +1395,6 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev,
> >                         break;
> >
> >                 case PIN_CONFIG_OUTPUT_ENABLE:
> > -                       arg = pinconf_to_config_argument(_configs[i]);
> >                         if (!(cfg & PIN_CFG_OEN))
> >                                 return -EINVAL;
> >                         if (!pctrl->data->oen_write)
>
> Missed opportunity for simplification:
>
>                 case PIN_CONFIG_POWER_SOURCE:
> -                       settings.power_source =
> pinconf_to_config_argument(_configs[i]);
> +                       settings.power_source = arg;
>                         break;
>
And while at it I'll replace as above and below in the v2.

Cheers,
Prabhakar

> > @@ -1432,8 +1429,6 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev,
> >                         break;
> >
> >                 case PIN_CONFIG_DRIVE_STRENGTH:
> > -                       arg = pinconf_to_config_argument(_configs[i]);
> > -
> >                         if (!(cfg & PIN_CFG_IOLH_A) || hwcfg->drive_strength_ua)
> >                                 return -EINVAL;
> >
>
>                 case PIN_CONFIG_DRIVE_STRENGTH_UA:
>                         ...
> -                       settings.drive_strength_ua =
> pinconf_to_config_argument(_configs[i]);
> +                       settings.drive_strength_ua = arg;
>                         break;
>
> The rest LGTM.
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds





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