Merge tag 'dm-4.3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device...

[linux-drm-fsl-dcu.git] / drivers / irqchip / irq-renesas-irqc.c

diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c
index 2aa3add711a6612af6c1653c976a043e743d9058..35bf97ba4a3d196db74ff5835dc9c59fb056c2af 100644 (file)
--- a/drivers/irqchip/irq-renesas-irqc.c
+++ b/drivers/irqchip/irq-renesas-irqc.c
@@ -121,6 +121,9 @@ static int irqc_irq_set_type(struct irq_data *d, unsigned int type)
 static int irqc_irq_set_wake(struct irq_data *d, unsigned int on)
 {
        struct irqc_priv *p = irq_data_get_irq_chip_data(d);
+       int hw_irq = irqd_to_hwirq(d);
+
+       irq_set_irq_wake(p->irq[hw_irq].requested_irq, on);
 
        if (!p->clk)
                return 0;
@@ -150,6 +153,12 @@ static irqreturn_t irqc_irq_handler(int irq, void *dev_id)
        return IRQ_NONE;
 }
 
+/*
+ * This lock class tells lockdep that IRQC irqs are in a different
+ * category than their parents, so it won't report false recursion.
+ */
+static struct lock_class_key irqc_irq_lock_class;
+
 static int irqc_irq_domain_map(struct irq_domain *h, unsigned int virq,
                               irq_hw_number_t hw)
 {
@@ -157,6 +166,7 @@ static int irqc_irq_domain_map(struct irq_domain *h, unsigned int virq,
 
        irqc_dbg(&p->irq[hw], "map");
        irq_set_chip_data(virq, h->host_data);
+       irq_set_lockdep_class(virq, &irqc_irq_lock_class);
        irq_set_chip_and_handler(virq, &p->irq_chip, handle_level_irq);
        return 0;
 }