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DateTue, 22 Jul 2008 16:39:24 -0700
FromAndrew Morton <>
SubjectRe: [patch 2.6.26-rc5] gpio: sysfs interface (updated)
On Tue, 22 Jul 2008 16:28:24 -0700
Greg KH <greg@kroah.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@pacbell.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.
> 
> 
> >  		if (dev) {
> >  			if (direction_may_change)
> >  				status = sysfs_create_group(&dev->kobj,
> > @@ -537,8 +537,8 @@ static int gpiochip_export(struct gpio_c
> > 
> >  	/* use chip->base for the ID; it's already known to be unique */
> >  	mutex_lock(&sysfs_lock);
> > -	dev = device_create_drvdata(&gpio_class, chip->dev, 0, chip,
> > -			"gpiochip%d", chip->base);
> > +	dev = device_create(&gpio_class, chip->dev, 0, chip, "gpiochip%d",
> > +				chip->base);
> 
> Same here.
> 

And is this change safe to merge into mainline?  Or should it wait
until device_create_drvdata-removal and any associated stuff has
merged?



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