diff options
Diffstat (limited to 'drivers/gpio/gpio-adnp.c')
| -rw-r--r-- | drivers/gpio/gpio-adnp.c | 25 |
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, |