linux-kernel - RE: [PATCHv3 1/4] pwm: Add Freescale FTM PWM driver support

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Message-ID: <1DD289F6464F0949A2FCA5AA6DC23F8281470E@039-SN2MPN1-013.039d.mgd.msft.net>
Date:	Tue, 10 Sep 2013 08:12:07 +0000
From:	Xiubo Li-B47053 <B47053@...escale.com>
To:	Sascha Hauer <s.hauer@...gutronix.de>
CC:	Guo Shawn-R65073 <r65073@...escale.com>,
	"thierry.reding@...il.com" <thierry.reding@...il.com>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"rob@...dley.net" <rob@...dley.net>,
	"ian.campbell@...rix.com" <ian.campbell@...rix.com>,
	"swarren@...dotorg.org" <swarren@...dotorg.org>,
	"mark.rutland@....com" <mark.rutland@....com>,
	"pawel.moll@....com" <pawel.moll@....com>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-pwm@...r.kernel.org" <linux-pwm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	Lu Jingchang-B35083 <B35083@...escale.com>
Subject: RE: [PATCHv3 1/4] pwm: Add Freescale FTM PWM driver support

> Subject: Re: [PATCHv3 1/4] pwm: Add Freescale FTM PWM driver support
> 
> On Fri, Sep 06, 2013 at 04:08:24PM +0800, Xiubo Li wrote:
> > The FTM PWM device can be found on Vybrid VF610 Tower and Layerscape
> LS-1 SoCs.
> >
> > +
> > +static int fsl_pwm_probe(struct platform_device *pdev) {
> > +	int ret = 0;
> > +	struct fsl_pwm_chip *fpc;
> > +	struct resource *res;
> > +
> > +	fpc = devm_kzalloc(&pdev->dev, sizeof(*fpc), GFP_KERNEL);
> 
> You don't have to output a message when kzalloc fails, but still you
> should check for the result and return an error if necessary.
> 
Okey, I will.

--
Xiubo

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