Commit 10b20a93 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Linus Walleij
Browse files

gpio-langwell: remove Withney point support 



It seems there is no user of the wp_gpio driver in the kernel. Let's remove it.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 7f6569f5

drivers/gpio/gpio-langwell.c

+1 −68
Original line number Diff line number Diff line
@@ -20,7 +20,6 @@ 
/* Supports:

 * Moorestown platform Langwell chip.

 * Medfield platform Penwell chip.

 * Whitney point.

 */



#include <linux/module.h>
@@ -394,75 +393,9 @@ static struct pci_driver lnw_gpio_driver = { 
	},

};





static int wp_gpio_probe(struct platform_device *pdev)

{

	struct lnw_gpio *lnw;

	struct gpio_chip *gc;

	struct resource *rc;

	int retval;



	lnw = devm_kzalloc(&pdev->dev, sizeof(struct lnw_gpio), GFP_KERNEL);

	if (!lnw) {

		dev_err(&pdev->dev, "can't allocate chip data\n");

		return -ENOMEM;

	}



	rc = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	lnw->reg_base = devm_ioremap_resource(&pdev->dev, rc);

	if (IS_ERR(lnw->reg_base))

		return PTR_ERR(lnw->reg_base);



	spin_lock_init(&lnw->lock);

	gc = &lnw->chip;

	gc->label = dev_name(&pdev->dev);

	gc->owner = THIS_MODULE;

	gc->direction_input = lnw_gpio_direction_input;

	gc->direction_output = lnw_gpio_direction_output;

	gc->get = lnw_gpio_get;

	gc->set = lnw_gpio_set;

	gc->to_irq = NULL;

	gc->base = 0;

	gc->ngpio = 64;

	gc->can_sleep = 0;

	retval = gpiochip_add(gc);

	if (retval) {

		dev_err(&pdev->dev, "gpiochip_add error %d\n", retval);

		return retval;

	}

	platform_set_drvdata(pdev, lnw);

	return 0;

}



static int wp_gpio_remove(struct platform_device *pdev)

{

	struct lnw_gpio *lnw = platform_get_drvdata(pdev);

	int err;

	err = gpiochip_remove(&lnw->chip);

	if (err)

		dev_err(&pdev->dev, "failed to remove gpio_chip.\n");

	return 0;

}



static struct platform_driver wp_gpio_driver = {

	.probe		= wp_gpio_probe,

	.remove		= wp_gpio_remove,

	.driver		= {

		.name	= "wp_gpio",

		.owner	= THIS_MODULE,

	},

};



static int __init lnw_gpio_init(void)

{

	int ret;

	ret =  pci_register_driver(&lnw_gpio_driver);

	if (ret < 0)

		return ret;

	ret = platform_driver_register(&wp_gpio_driver);

	if (ret < 0)

		pci_unregister_driver(&lnw_gpio_driver);

	return ret;

	return pci_register_driver(&lnw_gpio_driver);

}



device_initcall(lnw_gpio_init);