Commit dedf24a2 authored by Charles Keepax's avatar Charles Keepax Committed by Lee Jones
Browse files

mfd: arizona: Fix lockdep recursion warning on set_irq_wake 



Avoid a false recursive locking warning from lockdep by adding a lock
class for the arizona IRQ chip.

Signed-off-by: default avatarCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 073d4aca

drivers/mfd/arizona-irq.c

+3 −0
Original line number Diff line number Diff line
@@ -168,12 +168,15 @@ static struct irq_chip arizona_irq_chip = { 
	.irq_set_wake		= arizona_irq_set_wake,

};



static struct lock_class_key arizona_irq_lock_class;



static int arizona_irq_map(struct irq_domain *h, unsigned int virq,

			      irq_hw_number_t hw)

{

	struct arizona *data = h->host_data;



	irq_set_chip_data(virq, data);

	irq_set_lockdep_class(virq, &arizona_irq_lock_class);

	irq_set_chip_and_handler(virq, &arizona_irq_chip, handle_simple_irq);

	irq_set_nested_thread(virq, 1);

	irq_set_noprobe(virq);