linux-kernel - Re: [PATCH 5/5] thermal: exynos: Directly return 0 instead of using local ret variable

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Message-id: <20151104115150.641d453e@amdc2363>
Date:	Wed, 04 Nov 2015 11:51:50 +0100
From:	Lukasz Majewski <l.majewski@...sung.com>
To:	Alim Akhtar <alim.akhtar@...il.com>
Cc:	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Zhang Rui <rui.zhang@...el.com>,
	Eduardo Valentin <edubezval@...il.com>,
	Kukjin Kim <kgene@...nel.org>, linux-pm@...r.kernel.org,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/5] thermal: exynos: Directly return 0 instead of using
 local ret variable

Hi Alim,

> Hello,
> 
> On Thu, Oct 8, 2015 at 11:04 AM, Krzysztof Kozlowski
> <k.kozlowski@...sung.com> wrote:
> > The 'ret' variable in exynos5440_tmu_initialize() is initialized to
> > 0 and returned as is. Replace it with direct return statement. This
> > also fixes coccinelle warning:
> > drivers/thermal/samsung/exynos_tmu.c:611:5-8: Unneeded variable:
> > "ret". Return "0" on line 654
> >
> > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> > ---
> Reviewed-by: Alim Akhtar <alim.akhtar@...sung.com>
> 
> >  drivers/thermal/samsung/exynos_tmu.c | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/thermal/samsung/exynos_tmu.c
> > b/drivers/thermal/samsung/exynos_tmu.c index
> > 1af7ea8dda71..f340e6edcb49 100644 ---
> > a/drivers/thermal/samsung/exynos_tmu.c +++
> > b/drivers/thermal/samsung/exynos_tmu.c @@ -608,7 +608,7 @@ static
> > int exynos5440_tmu_initialize(struct platform_device *pdev) {
> >         struct exynos_tmu_data *data = platform_get_drvdata(pdev);
> >         unsigned int trim_info = 0, con, rising_threshold;
> > -       int ret = 0, threshold_code;
> > +       int threshold_code;
> >         int crit_temp = 0;
> >
> >         /*
> > @@ -651,7 +651,8 @@ static int exynos5440_tmu_initialize(struct
> > platform_device *pdev) /* Clear the PMIN in the common TMU register
> > */ if (!data->id)
> >                 writel(0, data->base_second + EXYNOS5440_TMU_PMIN);
> > -       return ret;
> > +
> > +       return 0;
> >  }
> >
> >  static int exynos7_tmu_initialize(struct platform_device *pdev)
> > --
> > 1.9.1
> >
> > --
> > To unsubscribe from this list: send the line "unsubscribe
> > linux-samsung-soc" in the body of a message to
> > majordomo@...r.kernel.org More majordomo info at
> > http://vger.kernel.org/majordomo-info.html
> 
> 
> 

Acked-by: Lukasz Majewski <l.majewski@...sung.com>
Tested-by: Lukasz Majewski <l.majewski@...sung.com>

Test HW: Odroid XU3 - Exynos5433

-- 
Best regards,

Lukasz Majewski

Samsung R&D Institute Poland (SRPOL) | Linux Platform Group
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