[PATCH 2/7] arch/x86: Add support for device tree code.

[Stephen Neuendorffer]

A few support device-tree related support functions that x86 didn't
have before.

Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer at xilinx.com>

----

Looks like just some irq related junk left!
---
 arch/x86/include/asm/irq.h |    2 ++
 arch/x86/kernel/irq.c      |   11 +++++++++++
 2 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index 5458380..af4e630 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -10,6 +10,8 @@
 #include <asm/apicdef.h>
 #include <asm/irq_vectors.h>
 
+#define irq_dispose_mapping(...)
+
 static inline int irq_canonicalize(int irq)
 {
 	return ((irq == 2) ? 9 : irq);
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 91fd0c7..a3aaed4 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -364,3 +364,14 @@ void fixup_irqs(void)
 	}
 }
 #endif
+
+#ifdef CONFIG_OF
+#include <linux/of_irq.h>
+unsigned int irq_create_of_mapping(struct device_node *controller,
+				   const u32 *intspec, unsigned int intsize)
+{
+	return intspec[0] + 1;
+}
+EXPORT_SYMBOL_GPL(irq_create_of_mapping);
+
+#endif
-- 
1.5.6.6



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