diff options
| -rw-r--r-- | drivers/mfd/arizona-irq.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c index edeb4951366a..5e18d3c77582 100644 --- a/drivers/mfd/arizona-irq.c +++ b/drivers/mfd/arizona-irq.c @@ -109,8 +109,20 @@ static irqreturn_t arizona_irq_thread(int irq, void *data) do { poll = false; - if (arizona->aod_irq_chip) - handle_nested_irq(irq_find_mapping(arizona->virq, 0)); + if (arizona->aod_irq_chip) { + /* + * Check the AOD status register to determine whether + * the nested IRQ handler should be called. + */ + ret = regmap_read(arizona->regmap, + ARIZONA_AOD_IRQ1, &val); + if (ret) + dev_warn(arizona->dev, + "Failed to read AOD IRQ1 %d\n", ret); + else if (val) + handle_nested_irq( + irq_find_mapping(arizona->virq, 0)); + } /* * Check if one of the main interrupts is asserted and only |