diff options
| -rw-r--r-- | drivers/gpio/gpio-pl061.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c index eba66c7..93b51e3 100644 --- a/drivers/gpio/gpio-pl061.c +++ b/drivers/gpio/gpio-pl061.c @@ -231,11 +231,33 @@ static void pl061_irq_unmask(struct irq_data *d) spin_unlock(&chip->lock); } +static unsigned int pl061_irq_startup(struct irq_data *d) +{ + struct pl061_gpio *chip = irq_data_get_irq_chip_data(d); + + if (gpio_lock_as_irq(&chip->gc, irqd_to_hwirq(d))) + dev_err(chip->gc.dev, + "unable to lock HW IRQ %lu for IRQ\n", + irqd_to_hwirq(d)); + pl061_irq_unmask(d); + return 0; +} + +static void pl061_irq_shutdown(struct irq_data *d) +{ + struct pl061_gpio *chip = irq_data_get_irq_chip_data(d); + + pl061_irq_mask(d); + gpio_unlock_as_irq(&chip->gc, irqd_to_hwirq(d)); +} + static struct irq_chip pl061_irqchip = { .name = "pl061 gpio", .irq_mask = pl061_irq_mask, .irq_unmask = pl061_irq_unmask, .irq_set_type = pl061_irq_type, + .irq_startup = pl061_irq_startup, + .irq_shutdown = pl061_irq_shutdown, }; static int pl061_irq_map(struct irq_domain *d, unsigned int irq, |