linux-kernel - [PATCH 03/12] gpio: omap: use devm_irq_alloc

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Date:   Sat,  4 Mar 2017 17:23:31 +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 03/12] gpio: omap: use devm_irq_alloc_descs()

This driver never frees the allocated interrupt descriptors. Fix it by
using a resource managed variant of irq_alloc_descs().

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 drivers/gpio/gpio-omap.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index efc85a2..5d6a574 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -1085,7 +1085,8 @@ static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc)
 	 * REVISIT: Once we have OMAP1 supporting SPARSE_IRQ, we can drop
 	 * irq_alloc_descs() since a base IRQ offset will no longer be needed.
 	 */
-	irq_base = irq_alloc_descs(-1, 0, bank->width, 0);
+	irq_base = devm_irq_alloc_descs(bank->chip.parent,
+					-1, 0, bank->width, 0);
 	if (irq_base < 0) {
 		dev_err(bank->chip.parent, "Couldn't allocate IRQ numbers\n");
 		return -ENODEV;
-- 
2.9.3