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[PATCH v7 01/37] openrisc: add ioremap_nocache declaration before include asm-generic/io.h and sync ioremap prototype with it.

A future commit for the nds32 architecture bootstrap("asm-generic/io.h: move
ioremap_nocache/ioremap_uc/ioremap_wc/ioremap_wt out of ifndef CONFIG_MMU")
will move the ioremap_nocache out of the CONFIG_MMU ifdef. This means that
in order to suppress re-definition errors we need to setup #define's before
importing asm-generic/io.h.

Also, the change adds a prototype for ioremap where size is size_t so fix that
as well.

Signed-off-by: Greentime Hu <greentime@xxxxxxxxxxxxx>
Acked-by: Stafford Horne <shorne@xxxxxxxxx>
 arch/openrisc/include/asm/io.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/openrisc/include/asm/io.h b/arch/openrisc/include/asm/io.h
index 7c691399da3f..6709b28a0221 100644
--- a/arch/openrisc/include/asm/io.h
+++ b/arch/openrisc/include/asm/io.h
@@ -29,13 +29,14 @@
 #define PIO_OFFSET		0
 #define PIO_MASK		0
+#define ioremap_nocache ioremap_nocache
 #include <asm-generic/io.h>
 #include <asm/pgtable.h>
 extern void __iomem *__ioremap(phys_addr_t offset, unsigned long size,
 				pgprot_t prot);
-static inline void __iomem *ioremap(phys_addr_t offset, unsigned long size)
+static inline void __iomem *ioremap(phys_addr_t offset, size_t size)
 	return __ioremap(offset, size, PAGE_KERNEL);