From f57f3e60038358a903d5d867f9cb688e1e8d9142 Mon Sep 17 00:00:00 2001 From: Bartosz Golaszewski Date: Sat, 4 Mar 2017 17:23:32 +0100 Subject: [PATCH] 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 Signed-off-by: Linus Walleij --- drivers/gpio/gpio-pch.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c index 7c7135d..71bc6da 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); -- 2.7.4