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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-langwell.c b/drivers/gpio/gpio-langwell.c
index fec85ca..f4b7245 100644 (file)
--- a/drivers/gpio/gpio-langwell.c
+++ b/drivers/gpio/gpio-langwell.c
@@ -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);