linux-kernel - Re: [PATCH v3 2/2] pwm: visconti: Add Toshiba Visconti SoC PWM support

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Message-ID: <20210410135658.pf7eg5x5bdhndxkg@pengutronix.de>
Date:   Sat, 10 Apr 2021 15:56:58 +0200
From:   Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To:     Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Lee Jones <lee.jones@...aro.org>, devicetree@...r.kernel.org,
        linux-pwm@...r.kernel.org, punit1.agrawal@...hiba.co.jp,
        yuji2.ishikawa@...hiba.co.jp, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] pwm: visconti: Add Toshiba Visconti SoC PWM
 support

Hello,

On Sat, Apr 10, 2021 at 06:34:55AM +0900, Nobuhiro Iwamatsu wrote:
> > > +static int visconti_pwm_remove(struct platform_device *pdev)
> > > +{
> > > +	struct visconti_pwm_chip *priv = platform_get_drvdata(pdev);
> > > +
> > > +	return pwmchip_remove(&priv->chip);
> > 
> > I think Uwe would prefer this to be done separately because he's working
> > towards removing the return value from pwmchip_remove() and if we start
> > ignoring it in new drivers that will make life easier going forward.
> > 
> > So this should just be:
> > 
> > 	pwmchip_remove(&priv->chip);
> > 
> > 	return 0;
> 
> I understand your suggestion.
> However, it looks like the pwmchip_remove() hasn't been updated yet.
> I will wait for the update of pwmchip_remove.

pwmchip_remove will always return 0 since b2c200e3f2fd which is in v5.3.
So Thierry's suggestion is safe and indeed welcome.
 
Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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