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
--- 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 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);