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-rw-r--r--drivers/gpio/gpiolib.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 4d0106ceeba7..00fb91feba70 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2306,9 +2306,16 @@ static void gpiochip_irq_disable(struct irq_data *d)
{
struct gpio_chip *chip = irq_data_get_irq_chip_data(d);
+ /*
+ * Since we override .irq_disable() we need to mimic the
+ * behaviour of __irq_disable() in irq/chip.c.
+ * First call .irq_disable() if it exists, else mimic the
+ * behaviour of mask_irq() which calls .irq_mask() if
+ * it exists.
+ */
if (chip->irq.irq_disable)
chip->irq.irq_disable(d);
- else
+ else if (chip->irq.chip->irq_mask)
chip->irq.chip->irq_mask(d);
gpiochip_disable_irq(chip, d->hwirq);
}