linux-kernel - Re: [PATCH v7 4/7] pwm: ntxec: Add driver for PWM function in Netronix EC

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Date:   Thu, 14 Jan 2021 23:31:33 +0100
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     Andreas Kemnade <andreas@...nade.info>
Cc:     Jonathan Neuschäfer <j.neuschaefer@....net>,
        linux-kernel@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Sam Ravnborg <sam@...nborg.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Heiko Stuebner <heiko.stuebner@...obroma-systems.com>,
        Stephan Gerhold <stephan@...hold.net>,
        Lubomir Rintel <lkundrak@...sk>,
        Mark Brown <broonie@...nel.org>, allen <allen.chen@....com.tw>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        devicetree@...r.kernel.org, linux-pwm@...r.kernel.org,
        linux-rtc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Heiko Stuebner <heiko@...ech.de>,
        Josua Mayer <josua.mayer@....eu>,
        Arnd Bergmann <arnd@...db.de>, Daniel Palmer <daniel@...f.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH v7 4/7] pwm: ntxec: Add driver for PWM function in
 Netronix EC

On Wed, Jan 13, 2021 at 11:46:45PM +0100, Andreas Kemnade wrote:
> On Tue, 12 Jan 2021 20:39:02 +0100
> Andreas Kemnade <andreas@...nade.info> wrote:
> 
> [...]
> > > +static int ntxec_pwm_probe(struct platform_device *pdev)
[...]
> > Hmm, I needed
> > chip->dev = &pdev->dev.parent to use the backlight example
> > in patch 2/7.
> > Not sure what the correct solution is. Maybe the pwm deserves its own
> > devicetree node.
> > 
> probably just assigning the node from the parent.
> 
>    pdev->dev.of_node = pdev->dev.parent->of_node;

Ah, good catch, thanks. This works, I'll add it to the next version.


Jonathan

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