diff options
| author | Tomasz Figa <t.figa@samsung.com> | 2012-09-21 00:34:01 +0200 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2012-09-21 00:34:01 +0200 |
| commit | c3ad056b26fe5d5be71b96371b0b2d00b2276ad3 (patch) | |
| tree | 6af9ffbf815600d85807ac98a37a488f47a39e5d /drivers/pinctrl/pinctrl-exynos.c | |
| parent | pinctrl: exynos: Mark exynos_irq_demux_eint as inline (diff) | |
| download | linux-c3ad056b26fe5d5be71b96371b0b2d00b2276ad3.tar.xz linux-c3ad056b26fe5d5be71b96371b0b2d00b2276ad3.zip | |
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 <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'drivers/pinctrl/pinctrl-exynos.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-exynos.c | 14 |
1 files changed, 9 insertions, 5 deletions
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); |