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xtensa: add ioremap_nocache declaration before include asm-generic/io.h. 

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.

Signed-off-by: Greentime Hu <greentime@andestech.com>
This commit is contained in:
Greentime Hu 2018-02-21 14:21:23 +08:00
parent b934e8eb48
commit 94bc61ead4
1 changed files with 1 additions and 0 deletions
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arch/xtensa/include/asm/io.h
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@ -52,6 +52,7 @@ static inline void __iomem *ioremap_cache(unsigned long offset,
return xtensa_ioremap_cache(offset, size);
}
#define ioremap_cache ioremap_cache
#define ioremap_nocache ioremap_nocache
#define ioremap_wc ioremap_nocache
#define ioremap_wt ioremap_nocache