linux-kernel - Re: [PATCH 08/11] net/fsl: use of_property_read

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Message-ID: <alpine.DEB.2.10.1608051338000.2999@hadrien>
Date:	Fri, 5 Aug 2016 13:38:21 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
cc:	netdev@...r.kernel.org, kernel-janitors@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 08/11] net/fsl: use of_property_read_bool



On Fri, 5 Aug 2016, Sergei Shtylyov wrote:

> Hello.
>
> On 8/5/2016 11:56 AM, Julia Lawall wrote:
>
> > Use of_property_read_bool to check for the existence of a property.
> >
> > The semantic patch that makes this change is as follows:
> > (http://coccinelle.lip6.fr/)
> >
> > // <smpl>
> > @@
> > expression e1,e2;
> > statement S2,S1;
> > @@
> > -       if (of_get_property(e1,e2,NULL))
> > +       if (of_property_read_bool(e1,e2))
> >         S1 else S2
> > // </smpl>
> >
> > Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
> >
> > ---
> >  drivers/net/ethernet/freescale/xgmac_mdio.c |    3 +--
> >  1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c
> > b/drivers/net/ethernet/freescale/xgmac_mdio.c
> > index 7b8fe86..a77ba98 100644
> > --- a/drivers/net/ethernet/freescale/xgmac_mdio.c
> > +++ b/drivers/net/ethernet/freescale/xgmac_mdio.c
> > @@ -271,8 +271,7 @@ static int xgmac_mdio_probe(struct platform_device
> > *pdev)
> >  		goto err_ioremap;
> >  	}
> >
> > -	if (of_get_property(pdev->dev.of_node,
> > -			    "little-endian", NULL))
> > +	if (of_property_read_bool(pdev->dev.of_node, "little-endian"))
> >  		priv->is_little_endian = true;
> >  	else
> >  		priv->is_little_endian = false;
>
>    priv->is_little_endian = of_property_read_bool(pdev->dev.of_node,
> 						  "little-endian"));

Thanks,

I just sent a v2 with this change.

julia