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path: root/drivers/gpio/gpio-adnp.c
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Diffstat (limited to 'drivers/gpio/gpio-adnp.c')
-rw-r--r--drivers/gpio/gpio-adnp.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-adnp.c b/drivers/gpio/gpio-adnp.c
index b204033acaeb..6fc6206b38bd 100644
--- a/drivers/gpio/gpio-adnp.c
+++ b/drivers/gpio/gpio-adnp.c
@@ -260,7 +260,7 @@ static int adnp_gpio_setup(struct adnp *adnp, unsigned int num_gpios)
chip->direction_output = adnp_gpio_direction_output;
chip->get = adnp_gpio_get;
chip->set = adnp_gpio_set;
- chip->can_sleep = 1;
+ chip->can_sleep = true;
if (IS_ENABLED(CONFIG_DEBUG_FS))
chip->dbg_show = adnp_gpio_dbg_show;
@@ -408,6 +408,27 @@ static void adnp_irq_bus_unlock(struct irq_data *data)
mutex_unlock(&adnp->irq_lock);
}
+static unsigned int adnp_irq_startup(struct irq_data *data)
+{
+ struct adnp *adnp = irq_data_get_irq_chip_data(data);
+
+ if (gpio_lock_as_irq(&adnp->gpio, data->hwirq))
+ dev_err(adnp->gpio.dev,
+ "unable to lock HW IRQ %lu for IRQ\n",
+ data->hwirq);
+ /* Satisfy the .enable semantics by unmasking the line */
+ adnp_irq_unmask(data);
+ return 0;
+}
+
+static void adnp_irq_shutdown(struct irq_data *data)
+{
+ struct adnp *adnp = irq_data_get_irq_chip_data(data);
+
+ adnp_irq_mask(data);
+ gpio_unlock_as_irq(&adnp->gpio, data->hwirq);
+}
+
static struct irq_chip adnp_irq_chip = {
.name = "gpio-adnp",
.irq_mask = adnp_irq_mask,
@@ -415,6 +436,8 @@ static struct irq_chip adnp_irq_chip = {
.irq_set_type = adnp_irq_set_type,
.irq_bus_lock = adnp_irq_bus_lock,
.irq_bus_sync_unlock = adnp_irq_bus_unlock,
+ .irq_startup = adnp_irq_startup,
+ .irq_shutdown = adnp_irq_shutdown,
};
static int adnp_irq_map(struct irq_domain *domain, unsigned int irq,