Commit adc8b4bf authored by John Keeping's avatar John Keeping Committed by Bartosz Golaszewski
Browse files

gpio: rockchip: lock GPIOs used as interrupts 



Use the standard gpiochip request/release resource functions so that any
GPIOs used as interrupts are properly locked.  This allows libgpiod to
correctly show these GPIOs as in-use.

Signed-off-by: default avatarJohn Keeping <john@metanate.com>
Tested-by: default avatarNicolas Frattaroli <frattaroli.nicolas@gmail.com>
Signed-off-by: default avatarBartosz Golaszewski <brgl@bgdev.pl>
parent a00128df

drivers/gpio/gpio-rockchip.c

+18 −0
Original line number Diff line number Diff line
@@ -465,6 +465,22 @@ static int rockchip_irq_set_type(struct irq_data *d, unsigned int type) 
	return ret;

}



static int rockchip_irq_reqres(struct irq_data *d)

{

	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);

	struct rockchip_pin_bank *bank = gc->private;



	return gpiochip_reqres_irq(&bank->gpio_chip, d->hwirq);

}



static void rockchip_irq_relres(struct irq_data *d)

{

	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);

	struct rockchip_pin_bank *bank = gc->private;



	gpiochip_relres_irq(&bank->gpio_chip, d->hwirq);

}



static void rockchip_irq_suspend(struct irq_data *d)

{

	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
@@ -536,6 +552,8 @@ static int rockchip_interrupts_register(struct rockchip_pin_bank *bank) 
	gc->chip_types[0].chip.irq_suspend = rockchip_irq_suspend;

	gc->chip_types[0].chip.irq_resume = rockchip_irq_resume;

	gc->chip_types[0].chip.irq_set_type = rockchip_irq_set_type;

	gc->chip_types[0].chip.irq_request_resources = rockchip_irq_reqres;

	gc->chip_types[0].chip.irq_release_resources = rockchip_irq_relres;

	gc->wake_enabled = IRQ_MSK(bank->nr_pins);



	/*