[PATCH 1/2] ARM: dts: spear13xx: Update SPI dma properties

Viresh Kumar viresh.kumar at linaro.org
Mon Mar 14 03:43:36 PDT 2022


On 14-03-22, 11:27, Arnd Bergmann wrote:
> I don't think that it was meant to have a fixed order: unlike the other
> bindings that define xxx-names properties, dmas require giving
> names to allow the DT to specify more than one possible DMA
> specifier for a given name. This means that nothing may ever just
> rely on an index but has to use the name for lookup.

Is there a way to update the yaml or tooling in that case so it doesn't expect a
fixed order ?

> OTOH, while fixing the order in the binding does not add any
> value, it's also harmless as this should never be able to break
> anything that worked for any combination of old/new dtb and
> kernel, and it's probably easier to express in the binding.

I agree, but such a patch shouldn't be required at all, which caught my
attention. It is fine to merge it and won't break anything, but it shouldn't be
required as well.

-- 
viresh



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