linux-kernel - Re: [patch 2.6.26-rc5] gpio: sysfs interface (updated)

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Message-Id: <20080722165056.799223a7.akpm@linux-foundation.org>
Date:	Tue, 22 Jul 2008 16:50:56 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Greg KH <greg@...ah.com>
Cc:	david-b@...bell.net, linux-kernel@...r.kernel.org,
	g.liakhovetski@...gutronix.de
Subject: Re: [patch 2.6.26-rc5] gpio: sysfs interface (updated)

On Tue, 22 Jul 2008 16:28:24 -0700
Greg KH <greg@...ah.com> wrote:

> On Tue, Jul 22, 2008 at 04:27:51PM -0700, Andrew Morton wrote:
> > On Thu, 12 Jun 2008 11:53:36 -0700
> > David Brownell <david-b@...bell.net> wrote:
> > 
> > > This adds a simple sysfs interface for GPIOs.
> > 
> > device_create_drvdata() has magically vanished from today's linux-next,
> > so this code doesn't compile any more.
> > 
> > This:
> > 
> > --- a/drivers/gpio/gpiolib.c~gpio-sysfs-interface-updated-gpio-linux-next-fixes-for-sysfs-support-fix
> > +++ a/drivers/gpio/gpiolib.c
> > @@ -453,8 +453,8 @@ int gpio_export(unsigned gpio, bool dire
> >  	if (status == 0) {
> >  		struct device	*dev;
> >  
> > -		dev = device_create_drvdata(&gpio_class, desc->chip->dev, 0,
> > -				desc, "gpio%d", gpio);
> > +		dev = device_create(&gpio_class, desc->chip->dev, 0, desc,
> > +					"gpio%d", gpio);
> 
> Should be NULL instead of 0 there, otherwise sparse will complain.

The third arg to device_create is a dev_t, so 0 is correct

Confused.
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