Re: [PATCH 1/2] pinctrl: renesas: rzg2l: Introduce single macro for digital noise filter configuration

[Lad, Prabhakar]

Hi Geert,

Thank you for the review.

On Thu, Aug 29, 2024 at 2:09 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>
> >
> > When enabling the digital noise filter for the pins, it is necessary to
> > configure both the noise filter stages (via the FILNUM register) and the
> > sampling interval (via the FILCLKSEL register). To simplify this process,
> > we introduce a single macro for configuring the digital noise filter.
>
> Currently the pin control tables just declare which pins support
> digital noise filter configuration, but the driver does not support
> configuring the digital noise filters yet, right?
>
Yes that's right.

> So I'd reword the paragraph above to something like:
>
>     Support for enabling the digital noise filter, and support for
>     configuring the noise filter stages (via the FILNUM register) and the
>     sampling interval (via the FILCLKSEL register) are related: a pin
>     supports either all or none of them.  Hence simplify declaring digital
>     noise filter support for a pin by using a single feature flag instead of
>     three separate flags.
>
Ok, I'll update the commit description as above.

Cheers,
Prabhakar

> > This patch removes the PIN_CFG_FILNUM and PIN_CFG_FILCLKSEL configuration
> > macros and renames PIN_CFG_FILONOFF to PIN_CFG_NF.
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
>
> For the actual patch contents:
> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
>
> 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