1 files changed, 42 insertions, 0 deletions

diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index cf41440aff91..d9ab0cd1d205 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -196,6 +196,44 @@ static int gpio_rcar_irq_set_wake(struct irq_data *d, unsigned int on)
         return 0;
 }
 
+static void gpio_rcar_irq_bus_lock(struct irq_data *d)
+{
+        struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+        struct gpio_rcar_priv *p = gpiochip_get_data(gc);
+
+        pm_runtime_get_sync(&p->pdev->dev);
+}
+
+static void gpio_rcar_irq_bus_sync_unlock(struct irq_data *d)
+{
+        struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+        struct gpio_rcar_priv *p = gpiochip_get_data(gc);
+
+        pm_runtime_put(&p->pdev->dev);
+}
+
+
+static int gpio_rcar_irq_request_resources(struct irq_data *d)
+{
+        struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+        struct gpio_rcar_priv *p = gpiochip_get_data(gc);
+        int error;
+
+        error = pm_runtime_get_sync(&p->pdev->dev);
+        if (error < 0)
+                return error;
+
+        return 0;
+}
+
+static void gpio_rcar_irq_release_resources(struct irq_data *d)
+{
+        struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+        struct gpio_rcar_priv *p = gpiochip_get_data(gc);
+
+        pm_runtime_put(&p->pdev->dev);
+}
+
 static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id)
 {
         struct gpio_rcar_priv *p = dev_id;
@@ -450,6 +488,10 @@ static int gpio_rcar_probe(struct platform_device *pdev)
         irq_chip->irq_unmask = gpio_rcar_irq_enable;
         irq_chip->irq_set_type = gpio_rcar_irq_set_type;
         irq_chip->irq_set_wake = gpio_rcar_irq_set_wake;
+        irq_chip->irq_bus_lock = gpio_rcar_irq_bus_lock;
+        irq_chip->irq_bus_sync_unlock = gpio_rcar_irq_bus_sync_unlock;
+        irq_chip->irq_request_resources = gpio_rcar_irq_request_resources;
+        irq_chip->irq_release_resources = gpio_rcar_irq_release_resources;
         irq_chip->flags = IRQCHIP_SET_TYPE_MASKED | IRQCHIP_MASK_ON_SUSPEND;
 
         ret = gpiochip_add_data(gpio_chip, p);