Re: [PATCH 4/6] thermal: renesas: rzg3s: Add thermal driver for the Renesas RZ/G3S SoC

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Hi Claudiu,

On Mon, 27 Jan 2025 at 09:33, Claudiu Beznea <claudiu.beznea@xxxxxxxxx> wrote:
> On 25.01.2025 14:18, Jonathan Cameron wrote:
> > On Wed, 22 Jan 2025 11:29:19 +0100
> > Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> >> On Fri, Jan 3, 2025 at 5:38 PM Claudiu <claudiu.beznea@xxxxxxxxx> wrote:
> >>> From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
> >>>
> >>> The Renesas RZ/G3S SoC features a Thermal Sensor Unit (TSU) that reports
> >>> the junction temperature. The temperature is reported through a dedicated
> >>> ADC channel. Add a driver for the Renesas RZ/G3S TSU.
> >>>
> >>> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
> >>
> >> Thanks for your patch!
> >>
> >>> --- /dev/null
> >>> +++ b/drivers/thermal/renesas/rzg3s_thermal.c
> >>
> >>> +static int rzg3s_thermal_probe(struct platform_device *pdev)
> >>> +{
> >>> +       struct rzg3s_thermal_priv *priv;
> >>> +       struct device *dev = &pdev->dev;
> >>> +       int ret;
> >>> +
> >>> +       priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
> >>> +       if (!priv)
> >>> +               return -ENOMEM;
> >>> +
> >>> +       priv->base = devm_platform_ioremap_resource(pdev, 0);
> >>> +       if (IS_ERR(priv->base))
> >>> +               return PTR_ERR(priv->base);
> >>> +
> >>> +       priv->channel = devm_iio_channel_get(dev, "tsu");
> >>
> >> Given there's only a single IIO channel, you could pass NULL instead
> >> of the name, and drop "io-channel-names" from the DT bindings.
> >> I don't know what's the IIO policy w.r.t. unnamed channels, though.
> >
> > It's supported, so fine as long as no future additional names show up.
> > Will just fallback to index 0 I think.
>
> If everyone agrees, I would keep the name, too, to avoid complications in
> case this IP variant will be extended on future SoCs.

Fine for me.

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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