diff options
Diffstat (limited to 'drivers/gpio/gpio-langwell.c')
-rw-r--r-- | drivers/gpio/gpio-langwell.c | 69 |
1 files changed, 1 insertions, 68 deletions
diff --git a/drivers/gpio/gpio-langwell.c b/drivers/gpio/gpio-langwell.c index fec85ca89c58..f4b72456faaf 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 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); |