From: Tomasz Figa Date: Thu, 20 Sep 2012 22:34:01 +0000 (+0900) Subject: pinctrl: exynos: Correct the detection of wakeup-eint node X-Git-Tag: next-20120924~13^2~1^2~2 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c3ad056b26fe5d5be71b96371b0b2d00b2276ad3;p=karo-tx-linux.git pinctrl: exynos: Correct the detection of wakeup-eint node Current way of finding the wakeup-eint node scans the whole device tree not only children of the pinctrl node, so it might detect a wakeup-eint node of another pinctrl device. This patch limits the scope of looking for nodes only to subnodes of the pinctrl node. Signed-off-by: Tomasz Figa Signed-off-by: Kyungmin Park Acked-by: Linus Walleij Signed-off-by: Kukjin Kim --- diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c index 49ef5a2f79ae..0d01d19edc91 100644 --- a/drivers/pinctrl/pinctrl-exynos.c +++ b/drivers/pinctrl/pinctrl-exynos.c @@ -431,15 +431,19 @@ static const struct irq_domain_ops exynos_wkup_irqd_ops = { static int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d) { struct device *dev = d->dev; - struct device_node *wkup_np; + struct device_node *wkup_np = NULL; + struct device_node *np; struct exynos_weint_data *weint_data; int idx, irq; - wkup_np = of_find_matching_node(dev->of_node, exynos_wkup_irq_ids); - if (!wkup_np) { - dev_err(dev, "wakeup controller node not found\n"); - return -ENODEV; + for_each_child_of_node(dev->of_node, np) { + if (of_match_node(exynos_wkup_irq_ids, np)) { + wkup_np = np; + break; + } } + if (!wkup_np) + return -ENODEV; d->wkup_irqd = irq_domain_add_linear(wkup_np, d->ctrl->nr_wint, &exynos_wkup_irqd_ops, d);