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-rw-r--r--include/asm-arm/io.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index 0cf4d4f9960..fd0147e52db 100644
--- a/include/asm-arm/io.h
+++ b/include/asm-arm/io.h
@@ -56,7 +56,12 @@ extern void __raw_readsl(const void __iomem *addr, void *data, int longlen);
/*
* Architecture ioremap implementation.
+ *
+ * __ioremap takes CPU physical address.
+ *
+ * __ioremap_pfn takes a Page Frame Number and an offset into that page
*/
+extern void __iomem * __ioremap_pfn(unsigned long, unsigned long, size_t, unsigned long);
extern void __iomem * __ioremap(unsigned long, size_t, unsigned long);
extern void __iounmap(void __iomem *addr);
@@ -261,6 +266,7 @@ out:
*
* ioremap takes a PCI memory address, as specified in
* Documentation/IO-mapping.txt.
+ *
*/
#ifndef __arch_ioremap
#define ioremap(cookie,size) __ioremap(cookie,size,0)