diff options
Diffstat (limited to 'drivers/gpio/gpio-octeon.c')
| -rw-r--r-- | drivers/gpio/gpio-octeon.c | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/drivers/gpio/gpio-octeon.c b/drivers/gpio/gpio-octeon.c index 47aead1ed..96a8a8cb2 100644 --- a/drivers/gpio/gpio-octeon.c +++ b/drivers/gpio/gpio-octeon.c @@ -83,6 +83,7 @@ static int octeon_gpio_probe(struct platform_device *pdev) struct octeon_gpio *gpio; struct gpio_chip *chip; struct resource *res_mem; + void __iomem *reg_base; int err = 0; gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL); @@ -91,21 +92,11 @@ static int octeon_gpio_probe(struct platform_device *pdev) chip = &gpio->chip; res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res_mem == NULL) { - dev_err(&pdev->dev, "found no memory resource\n"); - err = -ENXIO; - goto out; - } - if (!devm_request_mem_region(&pdev->dev, res_mem->start, - resource_size(res_mem), - res_mem->name)) { - dev_err(&pdev->dev, "request_mem_region failed\n"); - err = -ENXIO; - goto out; - } - gpio->register_base = (u64)devm_ioremap(&pdev->dev, res_mem->start, - resource_size(res_mem)); + reg_base = devm_ioremap_resource(&pdev->dev, res_mem); + if (IS_ERR(reg_base)) + return PTR_ERR(reg_base); + gpio->register_base = (u64)reg_base; pdev->dev.platform_data = chip; chip->label = "octeon-gpio"; chip->parent = &pdev->dev; @@ -119,14 +110,13 @@ static int octeon_gpio_probe(struct platform_device *pdev) chip->set = octeon_gpio_set; err = devm_gpiochip_add_data(&pdev->dev, chip, gpio); if (err) - goto out; + return err; dev_info(&pdev->dev, "OCTEON GPIO driver probed.\n"); -out: - return err; + return 0; } -static struct of_device_id octeon_gpio_match[] = { +static const struct of_device_id octeon_gpio_match[] = { { .compatible = "cavium,octeon-3860-gpio", }, |