Re: [PATCH] drivers: iio: adc: fix unmet dependency on OF

From: Julian Braha
Date: Mon Mar 29 2021 - 12:19:42 EST


On Monday, March 29, 2021 2:42:12 AM EDT you wrote:
> On Sun, Mar 28, 2021 at 7:08 AM Julian Braha <julianbraha@xxxxxxxxx> wrote:
> >
> > When AD9467 is enabled, and OF is disabled,
> > Kbuild gives the following warning:
> >
> > WARNING: unmet direct dependencies detected for ADI_AXI_ADC
> > Depends on [n]: IIO [=y] && HAS_IOMEM [=y] && OF [=n]
> > Selected by [y]:
> > - AD9467 [=y] && IIO [=y] && SPI [=y]
> >
> > This is because AD9467 selects ADI_AXI_ADC
> > without selecting or depending on OF,
> > despite ADI_AXI_ADC depending on OF.
> >
>
> Hey,
>
> Thanks for the patch.
> This should have been fixed a bit differently with patch:
> https://patchwork.kernel.org/project/linux-iio/patch/20210324182746.9337-1-aardelean@xxxxxxxxxxx/
>
> Can you check if this fixes your setup?
>
> Thanks
> Alex
>
> > Signed-off-by: Julian Braha <julianbraha@xxxxxxxxx>
> > ---
> > drivers/iio/adc/Kconfig | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
> > index e0667c4b3c08..7606c9b1630e 100644
> > --- a/drivers/iio/adc/Kconfig
> > +++ b/drivers/iio/adc/Kconfig
> > @@ -248,7 +248,7 @@ config AD799X
> >
> > config AD9467
> > tristate "Analog Devices AD9467 High Speed ADC driver"
> > - depends on SPI
> > + depends on SPI && OF
> > select ADI_AXI_ADC
> > help
> > Say yes here to build support for Analog Devices:
> > --
> > 2.25.1
> >
>
Hi Alex,

I can confirm that this works for me. (https://patchwork.kernel.org/project/linux-iio/patch/20210324182746.9337-1-aardelean@xxxxxxxxxxx/)

- Julian Braha