From c1aaaa1cb7c82fe53463fba4928405fddcc4ea27 Mon Sep 17 00:00:00 2001 From: Marek Szyprowski Date: Wed, 5 Sep 2018 16:36:06 +0200 Subject: [PATCH] mfd: max8997: Disable interrupt handling for suspend/resume cycle 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 Reviewed-by: Krzysztof Kozlowski Signed-off-by: Lee Jones --- drivers/mfd/max8997.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c index f99e8da99782..8c06c09e36d1 100644 --- a/drivers/mfd/max8997.c +++ b/drivers/mfd/max8997.c @@ -448,6 +448,7 @@ static int max8997_suspend(struct device *dev) struct i2c_client *i2c = to_i2c_client(dev); struct max8997_dev *max8997 = i2c_get_clientdata(i2c); + disable_irq(max8997->irq); if (device_may_wakeup(dev)) irq_set_irq_wake(max8997->irq, 1); return 0; @@ -460,6 +461,7 @@ 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); }