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path: root/drivers/pinctrl/pinctrl-st.c
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Diffstat (limited to 'drivers/pinctrl/pinctrl-st.c')
-rw-r--r--drivers/pinctrl/pinctrl-st.c30
1 files changed, 24 insertions, 6 deletions
diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c
index 676efcc032d2..3ae8066bc127 100644
--- a/drivers/pinctrl/pinctrl-st.c
+++ b/drivers/pinctrl/pinctrl-st.c
@@ -1285,6 +1285,22 @@ static void st_gpio_irq_unmask(struct irq_data *d)
writel(BIT(d->hwirq), bank->base + REG_PIO_SET_PMASK);
}
+static int st_gpio_irq_request_resources(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+
+ st_gpio_direction_input(gc, d->hwirq);
+
+ return gpiochip_lock_as_irq(gc, d->hwirq);
+}
+
+static void st_gpio_irq_release_resources(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+
+ gpiochip_unlock_as_irq(gc, d->hwirq);
+}
+
static int st_gpio_irq_set_type(struct irq_data *d, unsigned type)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
@@ -1438,12 +1454,14 @@ static struct gpio_chip st_gpio_template = {
};
static struct irq_chip st_gpio_irqchip = {
- .name = "GPIO",
- .irq_disable = st_gpio_irq_mask,
- .irq_mask = st_gpio_irq_mask,
- .irq_unmask = st_gpio_irq_unmask,
- .irq_set_type = st_gpio_irq_set_type,
- .flags = IRQCHIP_SKIP_SET_WAKE,
+ .name = "GPIO",
+ .irq_request_resources = st_gpio_irq_request_resources,
+ .irq_release_resources = st_gpio_irq_release_resources,
+ .irq_disable = st_gpio_irq_mask,
+ .irq_mask = st_gpio_irq_mask,
+ .irq_unmask = st_gpio_irq_unmask,
+ .irq_set_type = st_gpio_irq_set_type,
+ .flags = IRQCHIP_SKIP_SET_WAKE,
};
static int st_gpiolib_register_bank(struct st_pinctrl *info,