linux-kernel - Re: [PATCH v4 1/2] pwm: meson: Add support for Amlogic S4 PWM

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Date: Wed, 24 Apr 2024 15:51:31 +0200
From: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To: Jerome Brunet <jbrunet@...libre.com>
Cc: kelvin.zhang@...ogic.com, George Stark <gnstark@...utedevices.com>, 
	Neil Armstrong <neil.armstrong@...aro.org>, Kevin Hilman <khilman@...libre.com>, 
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, linux-pwm@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	devicetree@...r.kernel.org, Junyi Zhao <junyi.zhao@...ogic.com>
Subject: Re: [PATCH v4 1/2] pwm: meson: Add support for Amlogic S4 PWM

Hello,

On Wed, Apr 24, 2024 at 12:32:36PM +0200, Jerome Brunet wrote:
> > +err:
> > +	while (--i >= 0) {
> > +		channel = &meson->channels[i];
> > +		clk_put(channel->clk);
> 
> Fine on error but leaks on module unload.
> 
> Same as George,
> 
> Add the devm variant of of_clk_get() if you must.

There shouldn't be a reason to still use of_clk_get(). I'd expect that
devm_clk_get() should do the job and if not that's a bug.

Best regards
Uwe

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

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