linux-kernel - [PATCH 01/12] gpio: mockup: use devm_irq_alloc

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Message-Id: <1488644620-11488-2-git-send-email-bgolaszewski@baylibre.com>
Date:   Sat,  4 Mar 2017 17:23:29 +0100
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Courbot <gnurou@...il.com>,
        Bamvor Jian Zhang <bamvor.zhangjian@...aro.org>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Kevin Hilman <khilman@...nel.org>,
        Robert Jarzmik <robert.jarzmik@...e.fr>
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <marc.zyngier@....com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH 01/12] gpio: mockup: use devm_irq_alloc_descs()

Use the resource managed variant of irq_alloc_descs(). This allows us
to remove gpio_mockup_remove().

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 drivers/gpio/gpio-mockup.c | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index 06dac72..37c2d69 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -169,7 +169,7 @@ static int gpio_mockup_irqchip_setup(struct device *dev,
 	struct gpio_chip *gc = &chip->gc;
 	int irq_base, i;
 
-	irq_base = irq_alloc_descs(-1, 0, gc->ngpio, 0);
+	irq_base = devm_irq_alloc_descs(dev, -1, 0, gc->ngpio, 0);
 	if (irq_base < 0)
 		return irq_base;
 
@@ -373,25 +373,11 @@ static int gpio_mockup_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int gpio_mockup_remove(struct platform_device *pdev)
-{
-	struct gpio_mockup_chip *chips;
-	int i;
-
-	chips = platform_get_drvdata(pdev);
-
-	for (i = 0; i < gpio_mockup_params_nr >> 1; i++)
-		irq_free_descs(chips[i].gc.irq_base, chips[i].gc.ngpio);
-
-	return 0;
-}
-
 static struct platform_driver gpio_mockup_driver = {
 	.driver = {
 		.name = GPIO_MOCKUP_NAME,
 	},
 	.probe = gpio_mockup_probe,
-	.remove = gpio_mockup_remove,
 };
 
 static struct platform_device *pdev;
-- 
2.9.3