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-rw-r--r--arch/csky/include/asm/io.h11
1 files changed, 3 insertions, 8 deletions
diff --git a/arch/csky/include/asm/io.h b/arch/csky/include/asm/io.h
index 80d071e2567f..332f51bc68fb 100644
--- a/arch/csky/include/asm/io.h
+++ b/arch/csky/include/asm/io.h
@@ -36,14 +36,9 @@
/*
* I/O memory mapping functions.
*/
-extern void __iomem *ioremap_cache(phys_addr_t addr, size_t size);
-extern void __iomem *__ioremap(phys_addr_t addr, size_t size, pgprot_t prot);
-extern void iounmap(void *addr);
-
-#define ioremap(addr, size) __ioremap((addr), (size), pgprot_noncached(PAGE_KERNEL))
-#define ioremap_wc(addr, size) __ioremap((addr), (size), pgprot_writecombine(PAGE_KERNEL))
-#define ioremap_nocache(addr, size) ioremap((addr), (size))
-#define ioremap_cache ioremap_cache
+#define ioremap_wc(addr, size) \
+ ioremap_prot((addr), (size), \
+ (_PAGE_IOREMAP & ~_CACHE_MASK) | _CACHE_UNCACHED)
#include <asm-generic/io.h>