Re: [PATCH] iio: stm: don't always auto-enable I2C and SPI interface drivers

[Nikita Yushchenko]

02.01.2022 10:02, Linus Walleij wrote:
> On Wed, Dec 29, 2021 at 8:29 AM Nikita Yushchenko
> <nikita.yoush@xxxxxxxxxxxxxxxxxx> wrote:
>
> >   config IIO_ST_ACCEL_I2C_3AXIS
> > -       tristate
> > -       depends on IIO_ST_ACCEL_3AXIS
> > -       depends on IIO_ST_SENSORS_I2C
> > +       tristate "STMicroelectronics accelerometers 3-Axis I2C Interface"
> > +       depends on (I2C && IIO_ST_ACCEL_3AXIS)
> > +       default y if (I2C && IIO_ST_ACCEL_3AXIS)
> > +       select IIO_ST_SENSORS_I2C
>
> This thing that a Kconfig symbol is made to depend on itself just
> boggles my head but it wouldn't surprise me if KConfig is this weird :(
>
> I CCed Arnd who knows KConfig a bit better than anyone I know.

Sorry but I don't see a dependency on itself here.

"IIO_ST_ACCEL_I2C_3AXIS" depends on "IIO_ST_ACCEL_3AXIS"

Name with I2C embedded not at end could be a bit wired, but in this patch I don't change any names to 
keep things 100% backward-compatible.

Nikita