From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sat, 31 May 2014 15:19:48 +0000 (+0200)
Subject: backports: add irq_get_trigger_type()
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=d66f2721df8cd96e54071cba813098f10587d020;p=openwrt%2Fstaging%2Fblogic.git

backports: add irq_get_trigger_type()

This function is needed by some drivers.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---

diff --git a/backport/backport-include/linux/irq.h b/backport/backport-include/linux/irq.h
new file mode 100644
index 000000000000..8b2804d6a73e
--- /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 */