linux-kernel - Re: [net-next v3 8/9] net: mvpp2: Convert to devm_clk_get_enabled() and devm_clk_get_optional

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Message-ID: <CAHzn2R0r9Jziex+7fyhPGaPf12ckwqZwO40bshDBGdq_Tyenqg@mail.gmail.com>
Date: Wed, 28 Aug 2024 08:25:58 +0200
From: Marcin Wojtas <marcin.s.wojtas@...il.com>
To: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Cc: Yangtao Li <frank.li@...o.com>, clement.leger@...tlin.com, andrew@...n.ch, 
	f.fainelli@...il.com, olteanv@...il.com, davem@...emloft.net, 
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, 
	ulli.kroll@...glemail.com, linus.walleij@...aro.org, linux@...linux.org.uk, 
	alexandre.torgue@...s.st.com, joabreu@...opsys.com, mcoquelin.stm32@...il.com, 
	hkallweit1@...il.com, u.kleine-koenig@...gutronix.de, 
	jacob.e.keller@...el.com, justinstitt@...gle.com, sd@...asysnail.net, 
	horms@...nel.org, linux-renesas-soc@...r.kernel.org, netdev@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-stm32@...md-mailman.stormreply.com, 
	Maxime Chevallier <maxime.chevallier@...tlin.com>, 
	Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: Re: [net-next v3 8/9] net: mvpp2: Convert to devm_clk_get_enabled()
 and devm_clk_get_optional_enabled()

Hi Jonathan,

wt., 27 sie 2024 o 13:09 Jonathan Cameron
<Jonathan.Cameron@...wei.com> napisał(a):
>
> On Tue, 27 Aug 2024 03:57:11 -0600
> Yangtao Li <frank.li@...o.com> wrote:
>
> > Use devm_clk_get_enabled() and devm_clk_get_optional_enabled()
> > to simplify code.
> >
> > Signed-off-by: Yangtao Li <frank.li@...o.com>
> > Reviewed-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
> > Tested-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
> > Suggested-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> > Reviewed-by: Marcin Wojtas <marcin.s.wojtas@...il.com>
>
> >
> > @@ -7745,12 +7710,6 @@ static void mvpp2_remove(struct platform_device *pdev)
> >
> >       if (!dev_of_node(&pdev->dev))
> >               return;
>
> Given this makes no difference any more, drop the above dev_of_node() check.
>

This check is to not execute the clk-related code when booting with
ACPI. It should remain as-is, unless the new devm_clk_get* api is
capable of not exploding in non-DT case. Can you confirm?

Best regards,
Marcin

> > -
> > -     clk_disable_unprepare(priv->axi_clk);
> > -     clk_disable_unprepare(priv->mg_core_clk);
> > -     clk_disable_unprepare(priv->mg_clk);
> > -     clk_disable_unprepare(priv->pp_clk);
> > -     clk_disable_unprepare(priv->gop_clk);
> >  }
> >
> >  static const struct of_device_id mvpp2_match[] = {
>