Hi Geert,
Thank you for the review.
On Mon, Sep 18, 2023 at 1:31 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
>
> Hi Prabhakar,
>
> On Mon, Sep 11, 2023 at 3:17 PM Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote:
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> >
> > Validate the GPIO pin request in rzg2l_gpio_request() callback using
> > rzg2l_validate_gpio_pin() function. This stops any accidental usage
> > of GPIO pins which are not supported by the SoCs.
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > Reviewed-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
> > Tested-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
> > ---
> > v1->v2
> > * Maintained reverse christmas tree order.
> > * Included RB/TB tags from Claudiu.
>
> Thanks for your patch!
>
> > --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> > +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> > @@ -795,12 +795,18 @@ static const struct pinconf_ops rzg2l_pinctrl_confops = {
> > static int rzg2l_gpio_request(struct gpio_chip *chip, unsigned int offset)
> > {
> > struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip);
> > + const struct pinctrl_pin_desc *pin = &pctrl->desc.pins[offset];
> > u32 port = RZG2L_PIN_ID_TO_PORT(offset);
> > u8 bit = RZG2L_PIN_ID_TO_PIN(offset);
> > + u64 *pin_data = pin->drv_data;
>
> isn't drv_data a pointer to unsigned int aka u32?
>
Agreed. I will fix this and send a v3.
Cheers,
Prabhakar
> > unsigned long flags;
> > u8 reg8;
> > int ret;
> >
> > + ret = rzg2l_validate_gpio_pin(pctrl, *pin_data, port, bit);
> > + if (ret)
> > + return ret;
> > +
> > ret = pinctrl_gpio_request(chip->base + offset);
> > if (ret)
> > return ret;
>
> 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
