diff options
Diffstat (limited to 'drivers/gpio/gpio-mpc8xxx.c')
| -rw-r--r-- | drivers/gpio/gpio-mpc8xxx.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c index c0125ac73906..ab30c911c9d5 100644 --- a/drivers/gpio/gpio-mpc8xxx.c +++ b/drivers/gpio/gpio-mpc8xxx.c @@ -413,6 +413,8 @@ static int mpc8xxx_probe(struct platform_device *pdev) goto err; } + device_init_wakeup(&pdev->dev, true); + return 0; err: irq_domain_remove(mpc8xxx_gc->irq); @@ -429,6 +431,31 @@ static void mpc8xxx_remove(struct platform_device *pdev) } } +#ifdef CONFIG_PM +static int mpc8xxx_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct mpc8xxx_gpio_chip *mpc8xxx_gc = platform_get_drvdata(pdev); + + if (mpc8xxx_gc->irqn && device_may_wakeup(&pdev->dev)) + enable_irq_wake(mpc8xxx_gc->irqn); + + return 0; +} + +static int mpc8xxx_resume(struct platform_device *pdev) +{ + struct mpc8xxx_gpio_chip *mpc8xxx_gc = platform_get_drvdata(pdev); + + if (mpc8xxx_gc->irqn && device_may_wakeup(&pdev->dev)) + disable_irq_wake(mpc8xxx_gc->irqn); + + return 0; +} +#else +#define mpc8xxx_suspend NULL +#define mpc8xxx_resume NULL +#endif + #ifdef CONFIG_ACPI static const struct acpi_device_id gpio_acpi_ids[] = { {"NXP0031",}, @@ -440,6 +467,8 @@ MODULE_DEVICE_TABLE(acpi, gpio_acpi_ids); static struct platform_driver mpc8xxx_plat_driver = { .probe = mpc8xxx_probe, .remove_new = mpc8xxx_remove, + .suspend = mpc8xxx_suspend, + .resume = mpc8xxx_resume, .driver = { .name = "gpio-mpc8xxx", .of_match_table = mpc8xxx_gpio_ids, |