Re: [PATCH v2 2/2] iio: adc: ad7173: add AD7173 driver

From: Andy Shevchenko
Date: Tue Oct 03 2023 - 06:45:16 EST


On Tue, Oct 03, 2023 at 01:33:36PM +0300, Ceclan Dumitru-Ioan wrote:
> On 9/30/23 17:05, Jonathan Cameron wrote:
> > On Thu, 28 Sep 2023 15:54:43 +0300
> > Dumitru Ceclan <mitrutzceclan@xxxxxxxxx> wrote>> +config AD7173
> >> + tristate "Analog Devices AD7173 driver"
> >> + depends on SPI_MASTER
> >> + select AD_SIGMA_DELTA
> >> + select GPIO_REGMAP
> > If you are selecting it, why does it have if guards in the driver.
> > I prefer the select here, so drop this if guards.
>
> From what i checked, selecting GPIO_REGMAP does not select GPIOLIB but only REGMAP.
>
> Also, in the thread from V1 Arnd Bergmann suggested:
> " I think the best way to handle these is to remove both
> the 'select' and the #ifdef in the driver and instead use
> 'if (IS_ENABLED(CONFIG_GPIOLIB))' to handle optional gpio
> providers in the code. "

Why not simply to be dependent on GPIOLIB like other drivers do in this folder?


--
With Best Regards,
Andy Shevchenko