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authorBartosz Golaszewski <bgolaszewski@baylibre.com>2017-03-04 19:23:32 +0300
committerLinus Walleij <linus.walleij@linaro.org>2017-03-15 13:16:33 +0300
commitf57f3e60038358a903d5d867f9cb688e1e8d9142 (patch)
tree9dfc133f4d47ec02c9f9ab8797586c6d2953c0eb /drivers/gpio/gpio-pch.c
parent2ed36f30139f773e3c99eeca2307b7a6596f4b90 (diff)
downloadlinux-f57f3e60038358a903d5d867f9cb688e1e8d9142.tar.xz
gpio: pch: 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>
Diffstat (limited to 'drivers/gpio/gpio-pch.c')
-rw-r--r--drivers/gpio/gpio-pch.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c
index 7c7135da5d4a..71bc6da11337 100644
--- a/drivers/gpio/gpio-pch.c
+++ b/drivers/gpio/gpio-pch.c
@@ -403,7 +403,8 @@ static int pch_gpio_probe(struct pci_dev *pdev,
goto err_gpiochip_add;
}
- irq_base = irq_alloc_descs(-1, 0, gpio_pins[chip->ioh], NUMA_NO_NODE);
+ irq_base = devm_irq_alloc_descs(&pdev->dev, -1, 0,
+ gpio_pins[chip->ioh], NUMA_NO_NODE);
if (irq_base < 0) {
dev_warn(&pdev->dev, "PCH gpio: Failed to get IRQ base num\n");
chip->irq_base = -1;
@@ -416,8 +417,8 @@ static int pch_gpio_probe(struct pci_dev *pdev,
iowrite32(msk, &chip->reg->imask);
iowrite32(msk, &chip->reg->ien);
- ret = request_irq(pdev->irq, pch_gpio_handler,
- IRQF_SHARED, KBUILD_MODNAME, chip);
+ ret = devm_request_irq(&pdev->dev, pdev->irq, pch_gpio_handler,
+ IRQF_SHARED, KBUILD_MODNAME, chip);
if (ret != 0) {
dev_err(&pdev->dev,
"%s request_irq failed\n", __func__);
@@ -430,7 +431,6 @@ end:
return 0;
err_request_irq:
- irq_free_descs(irq_base, gpio_pins[chip->ioh]);
gpiochip_remove(&chip->gpio);
err_gpiochip_add:
@@ -452,12 +452,6 @@ static void pch_gpio_remove(struct pci_dev *pdev)
{
struct pch_gpio *chip = pci_get_drvdata(pdev);
- if (chip->irq_base != -1) {
- free_irq(pdev->irq, chip);
-
- irq_free_descs(chip->irq_base, gpio_pins[chip->ioh]);
- }
-
gpiochip_remove(&chip->gpio);
pci_iounmap(pdev, chip->base);
pci_release_regions(pdev);