linux-kernel - Re: [PATCH] pinctrl: remove unused 'pwm37

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Date:   Tue, 28 Apr 2020 17:00:49 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Jason Yan <yanaijie@...wei.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Hulk Robot <hulkci@...wei.com>
Subject: Re: [PATCH] pinctrl: remove unused 'pwm37_pins'

On Tue, Apr 28, 2020 at 11:58:01AM +0200, Linus Walleij wrote:
> On Fri, Apr 17, 2020 at 10:54 AM Jason Yan <yanaijie@...wei.com> wrote:
> 
> > Fix the following gcc warning:
> >
> > drivers/pinctrl/pinctrl-bm1880.c:263:27: warning: ‘pwm37_pins’ defined
> > but not used [-Wunused-const-variable=]
> >  static const unsigned int pwm37_pins[] = { 110 };
> >                            ^~~~~~~~~~
> >
> > Reported-by: Hulk Robot <hulkci@...wei.com>
> > Signed-off-by: Jason Yan <yanaijie@...wei.com>
> 
> I'm sceptic about this. I think PWM37 exists and just need to be
> properly defined.
> 
> Mani will know the right solution to this.
> 

Sorry for missing this thread before. The original patch didn't land in my
inbox.

Anyway the issue is, pwm37 is not added to BM1880_PINCTRL_GRP. So the proper
fix would be to add it.

Jason, will you be able to send a patch for adding it? Otherwise I'll do that.

Thanks,
Mani

> Yours,
> Linus Walleij