[RFC PATCH 12/16] pinctrl: exynos: Set pin function to EINT in irq_set_type of wake-up EINT
From: Tomasz Figa <hidden>
Date: 2012-09-28 14:28:43
Also in:
linux-arm-kernel, linux-samsung-soc
Subsystem:
pin control subsystem, the rest · Maintainers:
Linus Walleij, Linus Torvalds
Pins used as wake-up interrupts need to be configured as EINTs. This patch adds the required configuration code to exynos_wkup_irq_set_type, to set the pin as EINT when its interrupt trigger type is configured. Signed-off-by: Tomasz Figa <redacted> --- drivers/pinctrl/pinctrl-exynos.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c
index 829c92c..001d2ec 100644
--- a/drivers/pinctrl/pinctrl-exynos.c
+++ b/drivers/pinctrl/pinctrl-exynos.c@@ -257,6 +257,7 @@ static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type) unsigned long reg_con = d->ctrl->weint_con + bank->eint_offset; unsigned long shift = EXYNOS_EINT_CON_LEN * pin; unsigned long con, trig_type; + unsigned int mask; switch (type) { case IRQ_TYPE_EDGE_RISING:
@@ -288,6 +289,16 @@ static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type) con &= ~(EXYNOS_EINT_CON_MASK << shift); con |= trig_type << shift; writel(con, d->virt_base + reg_con); + + reg_con = bank->pctl_offset; + shift = pin * bank->func_width; + mask = (1 << bank->func_width) - 1; + + con = readl(d->virt_base + reg_con); + con &= ~(mask << shift); + con |= EXYNOS_EINT_FUNC << shift; + writel(con, d->virt_base + reg_con); + return 0; }
--
1.7.12