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

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Message-ID: <20080722232824.GA22596@kroah.com>
Date:	Tue, 22 Jul 2008 16:28:24 -0700
From:	Greg KH <greg@...ah.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	David Brownell <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, 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.


>  		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.

thanks,

greg k-h
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