linux-kernel - Re: [PATCH v4 2/2] pwm: sophgo: add pwm support for Sophgo CV1800 SoC

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Message-ID: <CAJRtX8TPz_jTvPmuBW8t=mC+BR1kWmu=GS9K1k6ys7U9u0ENFw@mail.gmail.com>
Date: Mon, 4 Mar 2024 21:40:52 +0800
From: Jingbao Qiu <qiujingbao.dlmu@...il.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: u.kleine-koenig@...gutronix.de, robh+dt@...nel.org, 
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, 
	paul.walmsley@...ive.com, palmer@...belt.com, aou@...s.berkeley.edu, 
	linux-pwm@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org, 
	dlan@...too.org, inochiama@...look.com
Subject: Re: [PATCH v4 2/2] pwm: sophgo: add pwm support for Sophgo CV1800 SoC

On Mon, Mar 4, 2024 at 6:15 PM Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> On 04/03/2024 10:02, Jingbao Qiu wrote:
> > Implement the PWM driver for CV1800.
> >
> > Signed-off-by: Jingbao Qiu <qiujingbao.dlmu@...il.com>
>
> ...
>
> > +
> > +     ret = devm_add_action_or_reset(&pdev->dev, devm_clk_rate_exclusive_put,
> > +                                    priv->clk);
> > +     if (ret) {
> > +             clk_rate_exclusive_put(priv->clk);
> > +             return ret;
>
> Please test this path - you have double put.
>

Thank you for your reply. You're right. If the
devm_add_action_or_reset()  function
fails to add an action, it will call the action.

By the way, if I need to resend the patch, should I wait for the
maintainer to review it, or
should I immediately correct this error and resend it.

Best regards,
Jingbao Qiu