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-rw-r--r--drivers/pinctrl/pinctrl-stmfx.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-stmfx.c b/drivers/pinctrl/pinctrl-stmfx.c
index 974973777395..e6f76d2f18ab 100644
--- a/drivers/pinctrl/pinctrl-stmfx.c
+++ b/drivers/pinctrl/pinctrl-stmfx.c
@@ -505,6 +505,25 @@ static void stmfx_pinctrl_irq_bus_sync_unlock(struct irq_data *data)
mutex_unlock(&pctl->lock);
}
+static int stmfx_gpio_irq_request_resources(struct irq_data *data)
+{
+ struct gpio_chip *gpio_chip = irq_data_get_irq_chip_data(data);
+ int ret;
+
+ ret = stmfx_gpio_direction_input(gpio_chip, data->hwirq);
+ if (ret)
+ return ret;
+
+ return gpiochip_reqres_irq(gpio_chip, data->hwirq);
+}
+
+static void stmfx_gpio_irq_release_resources(struct irq_data *data)
+{
+ struct gpio_chip *gpio_chip = irq_data_get_irq_chip_data(data);
+
+ return gpiochip_relres_irq(gpio_chip, data->hwirq);
+}
+
static void stmfx_pinctrl_irq_toggle_trigger(struct stmfx_pinctrl *pctl,
unsigned int offset)
{
@@ -678,6 +697,8 @@ static int stmfx_pinctrl_probe(struct platform_device *pdev)
pctl->irq_chip.irq_set_type = stmfx_pinctrl_irq_set_type;
pctl->irq_chip.irq_bus_lock = stmfx_pinctrl_irq_bus_lock;
pctl->irq_chip.irq_bus_sync_unlock = stmfx_pinctrl_irq_bus_sync_unlock;
+ pctl->irq_chip.irq_request_resources = stmfx_gpio_irq_request_resources;
+ pctl->irq_chip.irq_release_resources = stmfx_gpio_irq_release_resources;
ret = gpiochip_irqchip_add_nested(&pctl->gpio_chip, &pctl->irq_chip,
0, handle_bad_irq, IRQ_TYPE_NONE);