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Commit 033f2752 authored by Linus Walleij's avatar Linus Walleij
Browse files

gpio: tc3589x: use managed resources 



Grab state container and irq using the devm_* functions and save
some lines of hairy clean-up code.

Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 1c8732bb

drivers/gpio/gpio-tc3589x.c

+10 −18
Original line number Diff line number Diff line
@@ -329,7 +329,8 @@ static int tc3589x_gpio_probe(struct platform_device *pdev) 
	if (irq < 0)

		return irq;



	tc3589x_gpio = kzalloc(sizeof(struct tc3589x_gpio), GFP_KERNEL);

	tc3589x_gpio = devm_kzalloc(&pdev->dev, sizeof(struct tc3589x_gpio),

				    GFP_KERNEL);

	if (!tc3589x_gpio)

		return -ENOMEM;
@@ -354,23 +355,25 @@ static int tc3589x_gpio_probe(struct platform_device *pdev) 
	ret = tc3589x_set_bits(tc3589x, TC3589x_RSTCTRL,

			       TC3589x_RSTCTRL_GPIRST, 0);

	if (ret < 0)

		goto out_free;

		return ret;



	ret = tc3589x_gpio_irq_init(tc3589x_gpio, np);

	if (ret)

		goto out_free;

		return ret;



	ret = request_threaded_irq(irq, NULL, tc3589x_gpio_irq, IRQF_ONESHOT,

				   "tc3589x-gpio", tc3589x_gpio);

	ret = devm_request_threaded_irq(&pdev->dev,

					irq, NULL, tc3589x_gpio_irq,

					IRQF_ONESHOT, "tc3589x-gpio",

					tc3589x_gpio);

	if (ret) {

		dev_err(&pdev->dev, "unable to get irq: %d\n", ret);

		goto out_free;

		return ret;

	}



	ret = gpiochip_add(&tc3589x_gpio->chip);

	if (ret) {

		dev_err(&pdev->dev, "unable to add gpiochip: %d\n", ret);

		goto out_freeirq;

		return ret;

	}



	if (pdata && pdata->setup)
@@ -379,12 +382,6 @@ static int tc3589x_gpio_probe(struct platform_device *pdev) 
	platform_set_drvdata(pdev, tc3589x_gpio);



	return 0;



out_freeirq:

	free_irq(irq, tc3589x_gpio);

out_free:

	kfree(tc3589x_gpio);

	return ret;

}



static int tc3589x_gpio_remove(struct platform_device *pdev)
@@ -392,7 +389,6 @@ static int tc3589x_gpio_remove(struct platform_device *pdev) 
	struct tc3589x_gpio *tc3589x_gpio = platform_get_drvdata(pdev);

	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;

	struct tc3589x_gpio_platform_data *pdata = tc3589x->pdata->gpio;

	int irq = platform_get_irq(pdev, 0);

	int ret;



	if (pdata && pdata->remove)
@@ -405,10 +401,6 @@ static int tc3589x_gpio_remove(struct platform_device *pdev) 
		return ret;

	}



	free_irq(irq, tc3589x_gpio);



	kfree(tc3589x_gpio);



	return 0;

}