linux-kernel - Re: [PATCH 2/2] pwm: sprd: Add Spreadtrum PWM support

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Message-ID: <CAMz4kuKDcFxbNPqS-MToiCGQCXKDSvFX75ML+iVJGZx6kL0gzA@mail.gmail.com>
Date:   Mon, 12 Aug 2019 17:50:45 +0800
From:   Baolin Wang <baolin.wang@...aro.org>
To:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Orson Zhai <orsonzhai@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        linux-pwm@...r.kernel.org, DTML <devicetree@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, kernel@...gutronix.de
Subject: Re: [PATCH 2/2] pwm: sprd: Add Spreadtrum PWM support

On Mon, 12 Aug 2019 at 17:46, Uwe Kleine-König
<u.kleine-koenig@...gutronix.de> wrote:
>
> Hello Baolin,
>
> On Mon, Aug 12, 2019 at 05:11:56PM +0800, Baolin Wang wrote:
> > On Mon, 12 Aug 2019 at 16:36, Uwe Kleine-König
> > <u.kleine-koenig@...gutronix.de> wrote:
> > > On Mon, Aug 12, 2019 at 03:29:07PM +0800, Baolin Wang wrote:
> > > > The clock framework supplies 'assigned-clocks' and
> > > > 'assigned-clock-parents' properties to set parent, but for our case we
> > > > still want to set a default clock rate if failed to set parent when
> > > > met some abnormal things.
> > >
> > > Without understanding the complete problem I'd say this is out of the
> > > area the driver should care about.
> >
> > Fair enough, I will try to use 'assigned-clocks' and
> > 'assigned-clock-parents' to simplify the code.
>
> There is also assigned-clock-rates if you need that.

Thanks for reminding, but we have no use case to set clock rate in PWM driver.

-- 
Baolin Wang
Best Regards