linux-kernel - Re: [PATCH v6 2/3] usb: musb: da8xx: Use devm in probe

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Message-ID: <20160912171943.GG18340@uda0271908>
Date:   Mon, 12 Sep 2016 12:19:43 -0500
From:   Bin Liu <b-liu@...com>
To:     David Lechner <david@...hnology.com>,
        Alan Stern <stern@...land.harvard.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <khilman@...nel.org>, <nsekhar@...com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Subject: Re: [PATCH v6 2/3] usb: musb: da8xx: Use devm in probe

Hi,

On Tue, Sep 06, 2016 at 02:17:03PM -0500, Bin Liu wrote:
> Hi,
> 
> On Mon, Sep 05, 2016 at 03:00:32PM -0500, David Lechner wrote:
> > Simplify things a bit by using devm functions where possible.
> > 
> > Signed-off-by: David Lechner <david@...hnology.com>
> > ---
> >  drivers/usb/musb/da8xx.c | 19 +++++--------------
> >  1 file changed, 5 insertions(+), 14 deletions(-)
> > 
> > diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
> > index b03d3b8..0c1997c 100644
> > --- a/drivers/usb/musb/da8xx.c
> > +++ b/drivers/usb/musb/da8xx.c
> > @@ -490,20 +490,18 @@ static int da8xx_probe(struct platform_device *pdev)
> >  	struct da8xx_glue		*glue;
> >  	struct platform_device_info	pinfo;
> >  	struct clk			*clk;
> > +	int				ret;
> >  
> > -	int				ret = -ENOMEM;
> > -
> > -	glue = kzalloc(sizeof(*glue), GFP_KERNEL);
> > +	glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL);
> >  	if (!glue) {
> >  		dev_err(&pdev->dev, "failed to allocate glue context\n");
> 
> Greg's usb-next already has a patch which drops this line. You might
> have to rebase this patch, so that it can go to v4.9-rc1.

I fixed the merge conflict locally.

Regards,
-Bin.