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gpio: mxc: use devm_irq_alloc_descs() 

This driver never frees the interrupt descriptors it allocates. Fix
it by using the resource managed version of irq_alloc_descs().

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 17:23:38 +01:00 committed by Linus Walleij
parent 74dd9ebfff
commit c553c3c478
1 changed files with 2 additions and 4 deletions
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6
drivers/gpio/gpio-mxc.c
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@ -471,7 +471,7 @@ static int mxc_gpio_probe(struct platform_device *pdev)
if (err)
goto out_bgio;
irq_base = irq_alloc_descs(-1, 0, 32, numa_node_id());
irq_base = devm_irq_alloc_descs(&pdev->dev, -1, 0, 32, numa_node_id());
if (irq_base < 0) {
err = irq_base;
goto out_bgio;
@ -481,7 +481,7 @@ static int mxc_gpio_probe(struct platform_device *pdev)
&irq_domain_simple_ops, NULL);
if (!port->domain) {
err = -ENODEV;
goto out_irqdesc_free;
goto out_bgio;
}
/* gpio-mxc can be a generic irq chip */
@ -495,8 +495,6 @@ static int mxc_gpio_probe(struct platform_device *pdev)
out_irqdomain_remove:
irq_domain_remove(port->domain);
out_irqdesc_free:
irq_free_descs(irq_base, 32);
out_bgio:
dev_info(&pdev->dev, "%s failed with errno %d\n", __func__, err);
return err;