Re: [PATCH] iio: adc: rzg2l_adc: Add support for RZ/G2UL ADC

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Hi Biju,

On Tue, May 3, 2022 at 10:05 AM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote:
> > Subject: Re: [PATCH] iio: adc: rzg2l_adc: Add support for RZ/G2UL ADC
> > On Tue, May 3, 2022 at 9:47 AM Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> > wrote:
> > > > Subject: Re: [PATCH] iio: adc: rzg2l_adc: Add support for RZ/G2UL
> > > >ADC  On Tue, May 3, 2022 at 8:54 AM Biju Das
> > > > These can be dropped, as dtbs_check should take care of that.
> > >
> > > OK, Will remove this.
> >
> > Actually it's OK to keep them, as they are the upper limits supported by
> > the hardware block.
>
> You mean use upper limit of 2 for RZ/G2UL and 8 for RZ/G2L, right?

No, I did mean RZG2L_ADC_MAX_CHANNELS, which is the upper limit of
the hardware block.

> For eg:-
>  If we use, Channel0 and channel 2 :- this will be caught in dtbs as
>
> /home/biju/rzg2l-linux/Documentation/devicetree/bindings/iio/adc/renesas,rzg2l-adc.example.dtb: adc@10059000: channel@2:reg:0:0: 2 is greater than the maximum of 1
>
> But for run time, we don't want to this to happen for RZ/G2UL??

It will be caught at "make dtbs_check" time.
And at test time, as it won't work anyway --- do not post un-tested
patches ;-)

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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