Disable IRQs during suspend/resume cycle to ensure handling of wakeup interrupts (i.e. RTC wake alarm) after max8997_resume(). This way it can be properly handled when I2C bus is finally available. This pattern is also used in other MAX PMIC MFD drivers. Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> --- drivers/mfd/max8997.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c index d1495d76bf2c..5a50ea976c70 100644 --- a/drivers/mfd/max8997.c +++ b/drivers/mfd/max8997.c @@ -464,6 +464,7 @@ static int max8997_suspend(struct device *dev) if (device_may_wakeup(dev)) irq_set_irq_wake(max8997->irq, 1); + disable_irq(max8997->irq); return 0; } @@ -474,6 +475,7 @@ static int max8997_resume(struct device *dev) if (device_may_wakeup(dev)) irq_set_irq_wake(max8997->irq, 0); + enable_irq(max8997->irq); return max8997_irq_resume(max8997); } -- 2.17.1
