From dedf24a28da67f6bf814cb5d05a5d12bb39093dc Mon Sep 17 00:00:00 2001 From: Charles Keepax Date: Fri, 25 Mar 2016 14:27:09 +0000 Subject: [PATCH] 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: Charles Keepax Acked-by: Thomas Gleixner Signed-off-by: Lee Jones --- drivers/mfd/arizona-irq.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c index 5fef014920a3..edeb4951366a 100644 --- a/drivers/mfd/arizona-irq.c +++ b/drivers/mfd/arizona-irq.c @@ -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);