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SubjectRe: [PATCH v2] ARM: dts: spear13xx: Update SPI dma properties
On Fri, Mar 25, 2022 at 10:11:41AM +0100, Arnd Bergmann wrote:
> On Fri, Mar 25, 2022 at 2:58 AM Viresh Kumar <viresh.kumar@linaro.org> wrote:
> > On 24-03-22, 11:55, Kuldeep Singh wrote:
> > > Fixed order of values is important in case of properties like
> > > compatibles etc. In case of dma-names, yes order shouldn't matter here.
> > >
> > > This patch is more of appeasing dtbs_check warning rather than fixing
> > > something.
> >
> > Exactly my point. We have seen similar type of issues with other tools, like
> > coccinelle, earlier and such patches were rejected as the kernel was just fine
> > and tooling needs to be fixed.
> >
> > > It's safe to go with this patch.
> > > I am not sure if there's a provision to exclude dma-names from fix
> > > ordering checks. Rob can help here in providing better insights.
>
> I think it's a question of the scale of the warnings: my understanding is that
> there are only a handful of dts files that trigger the warning at all, and it
> would be rather hard to change the tooling around this. Since the proposed
> dts change is clearly harmless, I don't mind applying it.
>
> Kuldeep, you have probably looked at all dts files in the kernel, can you
> say how many of them are affected by the dma property reordering?

I have checked spi-pl022.yaml as of now and this was the only one which
was affected with dma ordering.

For all dts files, I can definitely give a try and will come up with
some numbers. Please note, there are still bindings left to be converted
to yaml format, so won't be able to catch those cases.

- Kuldeep

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