[POWERPC] Uninline of_iomap function

There is no big reason to have that function inlined.
Signed-off-by: NChristian Krafft <krafft@de.ibm.com>
Acked-by: NArnd Bergmann <arnd.bergmann@de.ibm.com>
Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/powerpc/kernel/prom_parse.c

@@ -1056,3 +1056,14 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
 	return irq;
 }
 EXPORT_SYMBOL_GPL(of_irq_to_resource);
+
+void __iomem *of_iomap(struct device_node *np, int index)
+{
+	struct resource res;
+
+	if (of_address_to_resource(np, index, &res))
+		return NULL;
+
+	return ioremap(res.start, 1 + res.end - res.start);
+}
+EXPORT_SYMBOL(of_iomap);

include/asm-powerpc/prom.h

@@ -20,7 +20,6 @@
 #include <linux/platform_device.h>
 #include <asm/irq.h>
 #include <asm/atomic.h>
-#include <asm/io.h>
 
 /* Definitions used by the flattened device tree */
 #define OF_DT_HEADER		0xd00dfeed	/* marker */
@@ -337,16 +336,14 @@ extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
 extern int of_irq_to_resource(struct device_node *dev, int index,
 			struct resource *r);
 
-static inline void __iomem *of_iomap(struct device_node *np, int index)
-{
-	struct resource res;
-
-	if (of_address_to_resource(np, index, &res))
-		return NULL;
-
-	return ioremap(res.start, 1 + res.end - res.start);
-}
-
+/**
+ * of_iomap - Maps the memory mapped IO for a given device_node
+ * @device:	the device whose io range will be mapped
+ * @index:	index of the io range
+ *
+ * Returns a pointer to the mapped memory
+ */
+extern void __iomem *of_iomap(struct device_node *device, int index);
 
 #endif /* __KERNEL__ */
 #endif /* _POWERPC_PROM_H */