[PATCH 5/9] gpio: vf610: Extend with wakeup support
From: stefan@agner.ch (Stefan Agner)
Date: 2014-09-22 17:09:44
Also in:
linux-gpio, lkml
Subsystem:
gpio subsystem, the rest · Maintainers:
Linus Walleij, Bartosz Golaszewski, Linus Torvalds
Support Vybrid GPIO's as wakeup source by requesting the parent IRQ as wakeup IRQ. Signed-off-by: Stefan Agner <stefan@agner.ch> --- drivers/gpio/gpio-vf610.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c
index 5f59424..50326af 100644
--- a/drivers/gpio/gpio-vf610.c
+++ b/drivers/gpio/gpio-vf610.c@@ -196,12 +196,28 @@ static void vf610_gpio_irq_unmask(struct irq_data *d) pcr_base); } +static int vf610_gpio_irq_set_wake(struct irq_data *d, u32 enable) +{ + struct vf610_gpio_port *port = irq_data_get_irq_chip_data(d); + + if (enable) + enable_irq_wake(port->irq); + else + disable_irq_wake(port->irq); + + return 0; +} + + static struct irq_chip vf610_gpio_irq_chip = { .name = "gpio-vf610", .irq_ack = vf610_gpio_irq_ack, .irq_mask = vf610_gpio_irq_mask, .irq_unmask = vf610_gpio_irq_unmask, .irq_set_type = vf610_gpio_irq_set_type, +#ifdef CONFIG_PM_SLEEP + .irq_set_wake = vf610_gpio_irq_set_wake, +#endif }; static int vf610_gpio_probe(struct platform_device *pdev)
--
2.1.0