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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: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Tested-by: Mario Limonciello <mario.limonciello@amd.com> Acked-by: Shyam 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: Linus Walleij <linus.walleij@linaro.org>
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@ -445,6 +445,7 @@ static int amd_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
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struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
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struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
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u32 wake_mask = BIT(WAKE_CNTRL_OFF_S0I3) | BIT(WAKE_CNTRL_OFF_S3);
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int err;
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raw_spin_lock_irqsave(&gpio_dev->lock, flags);
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pin_reg = readl(gpio_dev->base + (d->hwirq)*4);
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@ -457,6 +458,15 @@ static int amd_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
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writel(pin_reg, gpio_dev->base + (d->hwirq)*4);
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raw_spin_unlock_irqrestore(&gpio_dev->lock, flags);
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if (on)
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err = enable_irq_wake(gpio_dev->irq);
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else
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err = disable_irq_wake(gpio_dev->irq);
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if (err)
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dev_err(&gpio_dev->pdev->dev, "failed to %s wake-up interrupt\n",
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on ? "enable" : "disable");
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return 0;
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}
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