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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: John Keeping <john@metanate.com>
Tested-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This commit is contained in:
John Keeping 2021-12-02 15:50:21 +00:00 committed by Bartosz Golaszewski
parent a00128dfc8
commit adc8b4bf2a
1 changed files with 18 additions and 0 deletions
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18
drivers/gpio/gpio-rockchip.c
View File

@ -465,6 +465,22 @@ out:
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);
/*