diff options
Diffstat (limited to 'drivers/gpio/gpio-zynq.c')
| -rw-r--r-- | drivers/gpio/gpio-zynq.c | 26 | 
1 files changed, 24 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 0a7264aabe48..324e942c0650 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -575,6 +575,26 @@ static int zynq_gpio_set_wake(struct irq_data *data, unsigned int on)  	return 0;  } +static int zynq_gpio_irq_reqres(struct irq_data *d) +{ +	struct gpio_chip *chip = irq_data_get_irq_chip_data(d); +	int ret; + +	ret = pm_runtime_resume_and_get(chip->parent); +	if (ret < 0) +		return ret; + +	return gpiochip_reqres_irq(chip, d->hwirq); +} + +static void zynq_gpio_irq_relres(struct irq_data *d) +{ +	struct gpio_chip *chip = irq_data_get_irq_chip_data(d); + +	gpiochip_relres_irq(chip, d->hwirq); +	pm_runtime_put(chip->parent); +} +  /* irq chip descriptor */  static const struct irq_chip zynq_gpio_level_irqchip = {  	.name		= DRIVER_NAME, @@ -584,9 +604,10 @@ static const struct irq_chip zynq_gpio_level_irqchip = {  	.irq_unmask	= zynq_gpio_irq_unmask,  	.irq_set_type	= zynq_gpio_set_irq_type,  	.irq_set_wake	= zynq_gpio_set_wake, +	.irq_request_resources = zynq_gpio_irq_reqres, +	.irq_release_resources = zynq_gpio_irq_relres,  	.flags		= IRQCHIP_EOI_THREADED | IRQCHIP_EOI_IF_HANDLED |  			  IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_IMMUTABLE, -	GPIOCHIP_IRQ_RESOURCE_HELPERS,  };  static const struct irq_chip zynq_gpio_edge_irqchip = { @@ -597,8 +618,9 @@ static const struct irq_chip zynq_gpio_edge_irqchip = {  	.irq_unmask	= zynq_gpio_irq_unmask,  	.irq_set_type	= zynq_gpio_set_irq_type,  	.irq_set_wake	= zynq_gpio_set_wake, +	.irq_request_resources = zynq_gpio_irq_reqres, +	.irq_release_resources = zynq_gpio_irq_relres,  	.flags		= IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_IMMUTABLE, -	GPIOCHIP_IRQ_RESOURCE_HELPERS,  };  static void zynq_gpio_handle_bank_irq(struct zynq_gpio *gpio,  |