Re: [PATCH 2/2] cpufreq: sun50i: replace of_node_put() with automatic cleanup handler

From: Viresh Kumar <viresh.kumar@linaro.org>
To: Andre Przywara <andre.przywara@arm.com>
Cc: Javier Carrasco <javier.carrasco.cruz@gmail.com>,
	Yangtao Li <tiny.windzz@gmail.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Chen-Yu Tsai <wens@csie.org>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Samuel Holland <samuel@sholland.org>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] cpufreq: sun50i: replace of_node_put() with automatic cleanup handler
Date: Mon, 20 May 2024 14:05:22 +0530	[thread overview]
Message-ID: <20240520083522.vvga3aqjg4w3adkj@vireshk-i7> (raw)
In-Reply-To: <20240510184213.68f92cab@donnerap.manchester.arm.com>

On 10-05-24, 18:42, Andre Przywara wrote:
> On Fri, 03 May 2024 19:52:33 +0200
> Javier Carrasco <javier.carrasco.cruz@gmail.com> wrote:
> > Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
> 
> Reviewed-by: Andre Przywara <andre.przywara@arm.com>
> 
> I haven't tested the error paths yet, but it certainly boots fine on an
> OrangePi Zero3.
> 
> > ---
> >  drivers/cpufreq/sun50i-cpufreq-nvmem.c | 25 ++++++++-----------------
> >  1 file changed, 8 insertions(+), 17 deletions(-)
> > 
> > diff --git a/drivers/cpufreq/sun50i-cpufreq-nvmem.c b/drivers/cpufreq/sun50i-cpufreq-nvmem.c
> > index ef83e4bf2639..eb47c193269c 100644
> > --- a/drivers/cpufreq/sun50i-cpufreq-nvmem.c
> > +++ b/drivers/cpufreq/sun50i-cpufreq-nvmem.c
> > @@ -131,14 +131,14 @@ static const struct of_device_id cpu_opp_match_list[] = {
> >  static bool dt_has_supported_hw(void)
> >  {
> >  	bool has_opp_supported_hw = false;
> > -	struct device_node *np;
> >  	struct device *cpu_dev;
> >  
> >  	cpu_dev = get_cpu_device(0);
> >  	if (!cpu_dev)
> >  		return false;
> >  
> > -	np = dev_pm_opp_of_get_opp_desc_node(cpu_dev);
> > +	struct device_node *np __free(device_node) =
> > +		dev_pm_opp_of_get_opp_desc_node(cpu_dev);

Won't that result in build warning, mixed code and definitions now ?

-- 
viresh

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