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gpio: sta2x11: use resource management for irqs 

Use device resource managed variants of irq_alloc_descs() and
request_irq() and remove the code manually freeing irq resources.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2017-03-04 17:23:40 +01:00 committed by Linus Walleij
parent 8514b5439c
commit 7ad63c790b
1 changed files with 6 additions and 11 deletions
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17
drivers/gpio/gpio-sta2x11.c
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@ -392,7 +392,8 @@ static int gsta_probe(struct platform_device *dev)
gsta_set_config(chip, i, gpio_pdata->pinconfig[i]);
/* 384 was used in previous code: be compatible for other drivers */
err = irq_alloc_descs(-1, 384, GSTA_NR_GPIO, NUMA_NO_NODE);
err = devm_irq_alloc_descs(&dev->dev, -1, 384,
GSTA_NR_GPIO, NUMA_NO_NODE);
if (err < 0) {
dev_warn(&dev->dev, "sta2x11 gpio: Can't get irq base (%i)\n",
-err);
@ -401,29 +402,23 @@ static int gsta_probe(struct platform_device *dev)
chip->irq_base = err;
gsta_alloc_irq_chip(chip);
err = request_irq(pdev->irq, gsta_gpio_handler,
IRQF_SHARED, KBUILD_MODNAME, chip);
err = devm_request_irq(&dev->dev, pdev->irq, gsta_gpio_handler,
IRQF_SHARED, KBUILD_MODNAME, chip);
if (err < 0) {
dev_err(&dev->dev, "sta2x11 gpio: Can't request irq (%i)\n",
-err);
goto err_free_descs;
return err;
}
err = devm_gpiochip_add_data(&dev->dev, &chip->gpio, chip);
if (err < 0) {
dev_err(&dev->dev, "sta2x11 gpio: Can't register (%i)\n",
-err);
goto err_free_irq;
return err;
}
platform_set_drvdata(dev, chip);
return 0;
err_free_irq:
free_irq(pdev->irq, chip);
err_free_descs:
irq_free_descs(chip->irq_base, GSTA_NR_GPIO);
return err;
}
static struct platform_driver sta2x11_gpio_platform_driver = {