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Commit 592569de authored by Axel Lin's avatar Axel Lin Committed by Linus Walleij
Browse files

gpio: octeon: Convert to use devm_ioremap_resource 



Signed-off-by: default avatarAxel Lin <axel.lin@ingics.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 574b782e

drivers/gpio/gpio-octeon.c

+7 −17
Original line number Diff line number Diff line
@@ -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[] = {