Hi Claudiu, > -----Original Message----- > From: Claudiu Beznea <claudiu.beznea@xxxxxxxxx> > Sent: 27 January 2025 09:16 > Subject: Re: [PATCH 4/6] thermal: renesas: rzg3s: Add thermal driver for the Renesas RZ/G3S SoC > > Hi, Biju, > > On 27.01.2025 11:11, Biju Das wrote: > > Hi Claudiu, > > > >> -----Original Message----- > >> From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> > >> Sent: 27 January 2025 08:55 > >> Subject: Re: [PATCH 4/6] thermal: renesas: rzg3s: Add thermal driver > >> for the Renesas RZ/G3S SoC > >> > >> 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. > > > > If you are planning to extend this driver to other SoCs then may be > > update > > I don't plan to extend it. My point here was to keep the driver as is for any possible future > extensions that might arise. OK, then it is fine as the driver is only for RZ/G3S SoC. Cheers, Biju