Commit acd47b9f authored by Basavaraj Natikar's avatar Basavaraj Natikar Committed by Linus Walleij
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pinctrl: amd: Handle wake-up interrupt 



Enable/disable power management wakeup mode, which is disabled by
default. enable_irq_wake enables wakes the system from sleep.

Hence added enable/disable irq_wake to handle wake-up interrupt.

Signed-off-by: default avatarBasavaraj Natikar <Basavaraj.Natikar@amd.com>
Tested-by: default avatarMario Limonciello <mario.limonciello@amd.com>
Acked-by: default avatarShyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20210831120613.1514899-3-Basavaraj.Natikar@amd.com


Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 7e6f8d6f

drivers/pinctrl/pinctrl-amd.c

+10 −0
Original line number Diff line number Diff line
@@ -445,6 +445,7 @@ static int amd_gpio_irq_set_wake(struct irq_data *d, unsigned int on) 
	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);

	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);

	u32 wake_mask = BIT(WAKE_CNTRL_OFF_S0I3) | BIT(WAKE_CNTRL_OFF_S3);

	int err;



	raw_spin_lock_irqsave(&gpio_dev->lock, flags);

	pin_reg = readl(gpio_dev->base + (d->hwirq)*4);
@@ -457,6 +458,15 @@ static int amd_gpio_irq_set_wake(struct irq_data *d, unsigned int on) 
	writel(pin_reg, gpio_dev->base + (d->hwirq)*4);

	raw_spin_unlock_irqrestore(&gpio_dev->lock, flags);



	if (on)

		err = enable_irq_wake(gpio_dev->irq);

	else

		err = disable_irq_wake(gpio_dev->irq);



	if (err)

		dev_err(&gpio_dev->pdev->dev, "failed to %s wake-up interrupt\n",

			on ? "enable" : "disable");



	return 0;

}