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SubjectRe: [PATCH 1/2] dt-bindings: dmaengine: add DT binding for UniPhier MIO DMAC
Hi Rob, Jassi,


2018-08-23 23:12 GMT+09:00 Jassi Brar <jaswinder.singh@linaro.org>:
> On 23 August 2018 at 18:51, Rob Herring <robh+dt@kernel.org> wrote:
>> On Thu, Aug 23, 2018 at 12:38 AM Jassi Brar <jaswinder.singh@linaro.org> wrote:
>>> On 23 August 2018 at 10:48, Masahiro Yamada
>
>>> >
>>> > If desired, I will export of_irq_count()
>>> > and use it from my driver.
>>> >
>>> If you don't want to leave too much footprint, you could do
>>>
>>> count = 0;
>>> while (of_irq_parse_one(dev, count, &irq) == 0) count++
>>>
>>> of_irq_parse_one() is already exported.
>>
>> Yes, but we really don't more users and drivers shouldn't be using it.
>> Grepping DT functions and when the only users are pretty much powerpc,
>> that's a good indication not to use the function.
>>
>> And you don't want to use of_irq_count either. platform_irq_count is
>> what should be used here. It's already exported.
>>
> Thanks, platform_irq_count() is definitely better.
>
> Yamada-san, for example, gpio-tegra.c infers the number of banks from
> platform_irq_count() rather than the 'gpio-banks' property.


I did not platform_irq_count(). I will send v2 with it.

Thanks.


--
Best Regards
Masahiro Yamada

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