diff options
| -rw-r--r-- | drivers/pinctrl/pinctrl-msm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-msm.c b/drivers/pinctrl/pinctrl-msm.c index 9b6b3a79a809..2df3a48974f3 100644 --- a/drivers/pinctrl/pinctrl-msm.c +++ b/drivers/pinctrl/pinctrl-msm.c @@ -884,6 +884,12 @@ static void msm_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) chained_irq_exit(chip, desc); } +/* + * This lock class tells lockdep that GPIO irqs are in a different + * category than their parents, so it won't report false recursion. + */ +static struct lock_class_key gpio_lock_class; + static int msm_gpio_init(struct msm_pinctrl *pctrl) { struct gpio_chip *chip; @@ -922,6 +928,7 @@ static int msm_gpio_init(struct msm_pinctrl *pctrl) for (i = 0; i < chip->ngpio; i++) { irq = irq_create_mapping(pctrl->domain, i); + irq_set_lockdep_class(irq, &gpio_lock_class); irq_set_chip_and_handler(irq, &msm_gpio_irq_chip, handle_edge_irq); irq_set_chip_data(irq, pctrl); } |