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-rw-r--r--drivers/mfd/arizona-irq.c16
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