kernel/irq: Extend lockdep class for request mutex

[mirror_ubuntu-bionic-kernel.git] / drivers / pinctrl / pinctrl-single.c

diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index e6cd8de793e2ae66c791389ff686b42ad8084d84..3501491e5bfc8a5547c3ac820e01ad338dbb097b 100644 (file)
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -222,6 +222,9 @@ static enum pin_config_param pcs_bias[] = {
  */
 static struct lock_class_key pcs_lock_class;
 
+/* Class for the IRQ request mutex */
+static struct lock_class_key pcs_request_class;
+
 /*
  * REVISIT: Reads and writes could eventually use regmap or something
  * generic. But at least on omaps, some mux registers are performance
@@ -1486,7 +1489,7 @@ static int pcs_irqdomain_map(struct irq_domain *d, unsigned int irq,
        irq_set_chip_data(irq, pcs_soc);
        irq_set_chip_and_handler(irq, &pcs->chip,
                                 handle_level_irq);
-       irq_set_lockdep_class(irq, &pcs_lock_class);
+       irq_set_lockdep_class(irq, &pcs_lock_class, &pcs_request_class);
        irq_set_noprobe(irq);
 
        return 0;