linux-kernel - Re: [PATCH] gpio: rename VIA local config struct

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Message-ID: <20110519210528.GX5109@ponder.secretlab.ca>
Date:	Thu, 19 May 2011 15:05:28 -0600
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Linus Walleij <linus.walleij@...ricsson.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Lee Jones <lee.jones@...aro.org>,
	Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH] gpio: rename VIA local config struct

On Thu, May 19, 2011 at 09:59:35PM +0200, Linus Walleij wrote:
> From: Linus Walleij <linus.walleij@...aro.org>
> 
> The local VIA GPIO config struct "gpio_config" collides with my
> extension to the gpio_chip struct, so rename it to
> viafb_gpio_config so we don't get this clash.
> 
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>

Applied, thanks.
g.

> ---
>  drivers/video/via/via-gpio.c |   49 +++++++++++++++++++++--------------------
>  1 files changed, 25 insertions(+), 24 deletions(-)
> 
> diff --git a/drivers/video/via/via-gpio.c b/drivers/video/via/via-gpio.c
> index c2a0a1c..ab53418 100644
> --- a/drivers/video/via/via-gpio.c
> +++ b/drivers/video/via/via-gpio.c
> @@ -145,7 +145,7 @@ static int via_gpio_get(struct gpio_chip *chip, unsigned int nr)
>  }
>  
>  
> -static struct viafb_gpio_cfg gpio_config = {
> +static struct viafb_gpio_cfg viafb_gpio_config = {
>  	.gpio_chip = {
>  		.label = "VIAFB onboard GPIO",
>  		.owner = THIS_MODULE,
> @@ -183,8 +183,8 @@ static int viafb_gpio_resume(void *private)
>  {
>  	int i;
>  
> -	for (i = 0; i < gpio_config.gpio_chip.ngpio; i += 2)
> -		viafb_gpio_enable(gpio_config.active_gpios[i]);
> +	for (i = 0; i < viafb_gpio_config.gpio_chip.ngpio; i += 2)
> +		viafb_gpio_enable(viafb_gpio_config.active_gpios[i]);
>  	return 0;
>  }
>  
> @@ -201,9 +201,9 @@ int viafb_gpio_lookup(const char *name)
>  {
>  	int i;
>  
> -	for (i = 0; i < gpio_config.gpio_chip.ngpio; i++)
> -		if (!strcmp(name, gpio_config.active_gpios[i]->vg_name))
> -			return gpio_config.gpio_chip.base + i;
> +	for (i = 0; i < viafb_gpio_config.gpio_chip.ngpio; i++)
> +		if (!strcmp(name, viafb_gpio_config.active_gpios[i]->vg_name))
> +			return viafb_gpio_config.gpio_chip.base + i;
>  	return -1;
>  }
>  EXPORT_SYMBOL_GPL(viafb_gpio_lookup);
> @@ -229,14 +229,15 @@ static __devinit int viafb_gpio_probe(struct platform_device *platdev)
>  		for (gpio = viafb_all_gpios;
>  		     gpio < viafb_all_gpios + VIAFB_NUM_GPIOS; gpio++)
>  			if (gpio->vg_port_index == port_cfg[i].ioport_index) {
> -				gpio_config.active_gpios[ngpio] = gpio;
> -				gpio_config.gpio_names[ngpio] = gpio->vg_name;
> +				viafb_gpio_config.active_gpios[ngpio] = gpio;
> +				viafb_gpio_config.gpio_names[ngpio] =
> +					gpio->vg_name;
>  				ngpio++;
>  			}
>  	}
> -	gpio_config.gpio_chip.ngpio = ngpio;
> -	gpio_config.gpio_chip.names = gpio_config.gpio_names;
> -	gpio_config.vdev = vdev;
> +	viafb_gpio_config.gpio_chip.ngpio = ngpio;
> +	viafb_gpio_config.gpio_chip.names = viafb_gpio_config.gpio_names;
> +	viafb_gpio_config.vdev = vdev;
>  	if (ngpio == 0) {
>  		printk(KERN_INFO "viafb: no GPIOs configured\n");
>  		return 0;
> @@ -245,18 +246,18 @@ static __devinit int viafb_gpio_probe(struct platform_device *platdev)
>  	 * Enable the ports.  They come in pairs, with a single
>  	 * enable bit for both.
>  	 */
> -	spin_lock_irqsave(&gpio_config.vdev->reg_lock, flags);
> +	spin_lock_irqsave(&viafb_gpio_config.vdev->reg_lock, flags);
>  	for (i = 0; i < ngpio; i += 2)
> -		viafb_gpio_enable(gpio_config.active_gpios[i]);
> -	spin_unlock_irqrestore(&gpio_config.vdev->reg_lock, flags);
> +		viafb_gpio_enable(viafb_gpio_config.active_gpios[i]);
> +	spin_unlock_irqrestore(&viafb_gpio_config.vdev->reg_lock, flags);
>  	/*
>  	 * Get registered.
>  	 */
> -	gpio_config.gpio_chip.base = -1;  /* Dynamic */
> -	ret = gpiochip_add(&gpio_config.gpio_chip);
> +	viafb_gpio_config.gpio_chip.base = -1;  /* Dynamic */
> +	ret = gpiochip_add(&viafb_gpio_config.gpio_chip);
>  	if (ret) {
>  		printk(KERN_ERR "viafb: failed to add gpios (%d)\n", ret);
> -		gpio_config.gpio_chip.ngpio = 0;
> +		viafb_gpio_config.gpio_chip.ngpio = 0;
>  	}
>  #ifdef CONFIG_PM
>  	viafb_pm_register(&viafb_gpio_pm_hooks);
> @@ -277,8 +278,8 @@ static int viafb_gpio_remove(struct platform_device *platdev)
>  	/*
>  	 * Get unregistered.
>  	 */
> -	if (gpio_config.gpio_chip.ngpio > 0) {
> -		ret = gpiochip_remove(&gpio_config.gpio_chip);
> +	if (viafb_gpio_config.gpio_chip.ngpio > 0) {
> +		ret = gpiochip_remove(&viafb_gpio_config.gpio_chip);
>  		if (ret) { /* Somebody still using it? */
>  			printk(KERN_ERR "Viafb: GPIO remove failed\n");
>  			return ret;
> @@ -287,11 +288,11 @@ static int viafb_gpio_remove(struct platform_device *platdev)
>  	/*
>  	 * Disable the ports.
>  	 */
> -	spin_lock_irqsave(&gpio_config.vdev->reg_lock, flags);
> -	for (i = 0; i < gpio_config.gpio_chip.ngpio; i += 2)
> -		viafb_gpio_disable(gpio_config.active_gpios[i]);
> -	gpio_config.gpio_chip.ngpio = 0;
> -	spin_unlock_irqrestore(&gpio_config.vdev->reg_lock, flags);
> +	spin_lock_irqsave(&viafb_gpio_config.vdev->reg_lock, flags);
> +	for (i = 0; i < viafb_gpio_config.gpio_chip.ngpio; i += 2)
> +		viafb_gpio_disable(viafb_gpio_config.active_gpios[i]);
> +	viafb_gpio_config.gpio_chip.ngpio = 0;
> +	spin_unlock_irqrestore(&viafb_gpio_config.vdev->reg_lock, flags);
>  	return ret;
>  }
>  
> -- 
> 1.7.3.2
> 
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