This function is needed by some drivers.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
backport/backport-include/linux/irq.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
create mode 100644 backport/backport-include/linux/irq.h
diff --git a/backport/backport-include/linux/irq.h b/backport/backport-include/linux/irq.h
new file mode 100644
index 0000000..8b2804d
--- /dev/null
+++ b/backport/backport-include/linux/irq.h
@@ -0,0 +1,13 @@
+#ifndef __BACKPORT_LINUX_IRQ_H
+#define __BACKPORT_LINUX_IRQ_H
+#include_next <linux/irq.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)
+static inline u32 irq_get_trigger_type(unsigned int irq)
+{
+ struct irq_data *d = irq_get_irq_data(irq);
+ return d ? irqd_get_trigger_type(d) : 0;
+}
+#endif
+
+#endif /* __BACKPORT_LINUX_IRQ_H */
--
1.9.1
--
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