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path: root/drivers/pinctrl/sunxi
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Diffstat (limited to 'drivers/pinctrl/sunxi')
-rw-r--r--drivers/pinctrl/sunxi/pinctrl-sunxi.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index 862c84efb718..ce3f9ea41511 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -36,6 +36,13 @@
#include "../core.h"
#include "pinctrl-sunxi.h"
+/*
+ * These lock classes tell lockdep that GPIO IRQs are in a different
+ * category than their parents, so it won't report false recursion.
+ */
+static struct lock_class_key sunxi_pinctrl_irq_lock_class;
+static struct lock_class_key sunxi_pinctrl_irq_request_class;
+
static struct irq_chip sunxi_pinctrl_edge_irq_chip;
static struct irq_chip sunxi_pinctrl_level_irq_chip;
@@ -1551,6 +1558,8 @@ int sunxi_pinctrl_init_with_variant(struct platform_device *pdev,
for (i = 0; i < (pctl->desc->irq_banks * IRQ_PER_BANK); i++) {
int irqno = irq_create_mapping(pctl->domain, i);
+ irq_set_lockdep_class(irqno, &sunxi_pinctrl_irq_lock_class,
+ &sunxi_pinctrl_irq_request_class);
irq_set_chip_and_handler(irqno, &sunxi_pinctrl_edge_irq_chip,
handle_edge_irq);
irq_set_chip_data(irqno, pctl);