diff options
Diffstat (limited to 'drivers/gpio/gpio-adnp.c')
| -rw-r--r-- | drivers/gpio/gpio-adnp.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-adnp.c b/drivers/gpio/gpio-adnp.c index c0f3fc44ab0..b2239d678d0 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; @@ -325,9 +325,9 @@ static irqreturn_t adnp_irq(int irq, void *data) pending &= isr & ier; for_each_set_bit(bit, &pending, 8) { - unsigned int virq; - virq = irq_find_mapping(adnp->domain, base + bit); - handle_nested_irq(virq); + unsigned int child_irq; + child_irq = irq_find_mapping(adnp->domain, base + bit); + handle_nested_irq(child_irq); } } @@ -408,6 +408,26 @@ static void adnp_irq_bus_unlock(struct irq_data *data) mutex_unlock(&adnp->irq_lock); } +static int adnp_irq_reqres(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); + return -EINVAL; + } + return 0; +} + +static void adnp_irq_relres(struct irq_data *data) +{ + struct adnp *adnp = irq_data_get_irq_chip_data(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 +435,8 @@ 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_request_resources = adnp_irq_reqres, + .irq_release_resources = adnp_irq_relres, }; static int adnp_irq_map(struct irq_domain *domain, unsigned int irq, @@ -594,7 +616,7 @@ static struct i2c_driver adnp_i2c_driver = { .driver = { .name = "gpio-adnp", .owner = THIS_MODULE, - .of_match_table = of_match_ptr(adnp_of_match), + .of_match_table = adnp_of_match, }, .probe = adnp_i2c_probe, .remove = adnp_i2c_remove, |