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| author | Axel Lin <axel.lin@ingics.com> | 2016-03-18 21:05:16 +0800 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-03-30 10:38:51 +0200 |
| commit | 592569de4c247fe4f25db8369dc0c63860f9560b (patch) | |
| tree | b197f27e6820bd02eecbfc04a2b0c952a5d901d6 /drivers/gpio/gpio-octeon.c | |
| parent | 574b782e7b632974e85e8629842746d0229c4aed (diff) | |
| download | linux-rpi-592569de4c247fe4f25db8369dc0c63860f9560b.tar.gz linux-rpi-592569de4c247fe4f25db8369dc0c63860f9560b.tar.bz2 linux-rpi-592569de4c247fe4f25db8369dc0c63860f9560b.zip | |
gpio: octeon: Convert to use devm_ioremap_resource
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-octeon.c')
| -rw-r--r-- | drivers/gpio/gpio-octeon.c | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/drivers/gpio/gpio-octeon.c b/drivers/gpio/gpio-octeon.c index 47aead1ed1cc..9373d4e09185 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; @@ -119,11 +110,10 @@ 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[] = { |