linux-kernel - RE: [PATCH V2 1/6] pinctrl: pinctrl-single: use arch_initcall and module

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Date:	Wed, 6 Feb 2013 04:57:25 +0000
From:	"Vishwanathrao Badarkhe, Manish" <manishv.b@...com>
To:	Linus Walleij <linus.walleij@...aro.org>
CC:	Tony Lindgren <tony@...mide.com>,
	"davinci-linux-open-source@...ux.davincidsp.com" 
	<davinci-linux-open-source@...ux.davincidsp.com>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"sameo@...ux.intel.com" <sameo@...ux.intel.com>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"khilman@...prootsystems.com" <khilman@...prootsystems.com>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"broonie@...nsource.wolfsonmicro.com" 
	<broonie@...nsource.wolfsonmicro.com>,
	"Nori, Sekhar" <nsekhar@...com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	"hs@...x.de" <hs@...x.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH V2 1/6] pinctrl: pinctrl-single: use arch_initcall and
 module_exit

Hi Linus

On Tue, Feb 05, 2013 at 18:30:48, Linus Walleij wrote:
> On Tue, Feb 5, 2013 at 7:36 AM, Vishwanathrao Badarkhe, Manish <manishv.b@...com> wrote:
> 
> > I made following changes, in order to update "dip->p" pointer with 
> > correct value:
> >
> > -       if (!dpi->p) {
> > +       if (IS_ERR_OR_NULL(dpi->p)) {
> >                 dpi->p = devm_pinctrl_get(dev);
> > -               if (IS_ERR_OR_NULL(dpi->p)) {
> > -                       int ret = PTR_ERR(dpi->p);
> > -
> > -                       dev_dbg(dev, "no pinctrl handle\n");
> > -                       /* Only return deferrals */
> > -                       if (ret == -EPROBE_DEFER)
> > -                               return ret;
> > -                       return 0;
> > -               }
> > +               ret = PTR_ERR(dpi->p);
> > +               dev_dbg(dev, "no pinctrl handle\n");
> > +               /* Only return deferrals */
> > +               if (ret == -EPROBE_DEFER)
> > +                       return ret;
> > +               return 0;
> 
> This is based on some old code that I wrote ages ago. Check the pinctrl tree or linux-next for the latest core pin grabbing code.
> Use that instead.

Thanks for your reply.
I have checked with your latest changes regarding pinctrl 
in linux-next tree and these changes are working fine for me.

Regards
Manish Badarkhe
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