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Message-ID: <CAHp75Ve=Zas8=6YKoPeTRrvjCaTyyRAyJG1gBLripqZgQpfg7g@mail.gmail.com>
Date: Tue, 1 Jul 2025 20:57:02 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Uwe Kleine-König <ukleinek@...nel.org>
Cc: Waqar Hameed <waqar.hameed@...s.com>, Vignesh Raghavendra <vigneshr@...com>, 
	Julien Panis <jpanis@...libre.com>, William Breathitt Gray <wbg@...nel.org>, 
	Linus Walleij <linus.walleij@...aro.org>, Bartosz Golaszewski <brgl@...ev.pl>, Peter Rosin <peda@...ntia.se>, 
	Jonathan Cameron <jic23@...nel.org>, David Lechner <dlechner@...libre.com>, 
	Nuno Sá <nuno.sa@...log.com>, 
	Andy Shevchenko <andy@...nel.org>, Cosmin Tanislav <cosmin.tanislav@...log.com>, 
	Lars-Peter Clausen <lars@...afoo.de>, Michael Hennerich <Michael.Hennerich@...log.com>, 
	Matthias Brugger <matthias.bgg@...il.com>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
	Matteo Martelli <matteomartelli3@...il.com>, Heiko Stuebner <heiko@...ech.de>, 
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	Takashi Iwai <tiwai@...e.com>, Shawn Guo <shawnguo@...nel.org>, 
	Sascha Hauer <s.hauer@...gutronix.de>, Pengutronix Kernel Team <kernel@...gutronix.de>, 
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Subject: Re: [PATCH] Remove error prints for devm_add_action_or_reset()

On Tue, Jul 1, 2025 at 8:44 PM Uwe Kleine-König <ukleinek@...nel.org> wrote:
> On Tue, Jul 01, 2025 at 05:03:33PM +0200, Waqar Hameed wrote:

...

> With that
>
>         ret = devm_add_action_or_reset(dev, meson_pwm_s4_put_clk,
>                                        meson->channels[i].clk);
>         if (ret)
>                 return dev_err_probe(dev, ret,
>                                      "Failed to add clk_put action\n");
>
> from drivers/pwm/pwm-meson.c is optimized to
>
>         ret = devm_add_action_or_reset(dev, meson_pwm_s4_put_clk,
>                                        meson->channels[i].clk);
>         if (ret)
>                 return ret;
>
> .
>
> I would prefer this approach, because a) there is no need to drop all
> dev_err_probe()s after devm_add_action_or_reset() and b) the
> dev_err_probe()s could stay for consistency in the error paths of a
> driver.

Why do we need a dev_err_probe() after devm_add_action*()? I would
expect that the original call (if needed) can spit out a message.


-- 
With Best Regards,
Andy Shevchenko

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