Re: [PATCH 1/2] of: remove extraneous 'const' in typedef

From: Rob Herring
Date: Thu May 11 2017 - 11:13:46 EST


On Thu, May 11, 2017 at 10:03 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> On Thu, May 11, 2017 at 4:44 PM, Rob Herring <robh+dt@xxxxxxxxxx> wrote:
>> On Thu, May 11, 2017 at 7:24 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
>>> One change that was meant to address a sparse warning turned out
>>> to cause hundreds of new gcc-7 warnings:
>>
>> I guess you are the only one on gcc-7.
>
> It was just released last week or so. I actually had been using it for
> a while but accidentally disabled a lot of the warning output until now
> some others started using it too and asked me about it.
>
>>> include/linux/of_irq.h:11:13: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers]
>>>
>>> After reverting the change, the gcc warnings are gone again, and I
>>> can't reproduce the sparse warnings either.
>>
>> Humm, maybe different sparse versions? I'm on 0.5.0.
>
> I have v0.5.0-183-gfbbfc73. To clarify, I did not get a sparse warning after my
> patch, I did not try reverting your patch first.

Indeed, the warnings are gone with current sparse from git.

Rob