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authorJohn Keeping2021-12-02 15:50:21 +0000
committerBartosz Golaszewski2021-12-03 15:59:10 +0100
commitadc8b4bf2a7f6f513c560bb8e225d4750ce5e872 (patch)
tree5336521b17bd153ee7a2f207a64f9cb65deaaeac /drivers/gpio/gpio-rockchip.c
parenta00128dfc8fc0cc8848d9168d6e7cfff99bd46f0 (diff)
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>
Diffstat (limited to 'drivers/gpio/gpio-rockchip.c')
-rw-r--r--drivers/gpio/gpio-rockchip.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-rockchip.c b/drivers/gpio/gpio-rockchip.c
index ce63cbd14d69..c1b8e5dbbcc4 100644
--- a/drivers/gpio/gpio-rockchip.c
+++ b/drivers/gpio/gpio-rockchip.c
@@ -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);
/*