Commit 38e45d81 authored by Tuowen Zhao's avatar Tuowen Zhao Committed by Lee Jones
Browse files

sparc64: implement ioremap_uc 



On sparc64, the whole physical IO address space is accessible using
physically addressed loads and stores. *_uc does nothing like the
others.

Cc: <stable@vger.kernel.org> # v4.19+
Reported-by: default avatarkbuild test robot <lkp@intel.com>
Signed-off-by: default avatarTuowen Zhao <ztuowen@gmail.com>
Acked-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 54ecb8f7

arch/sparc/include/asm/io_64.h

+1 −0
Original line number Diff line number Diff line
@@ -407,6 +407,7 @@ static inline void __iomem *ioremap(unsigned long offset, unsigned long size) 
}



#define ioremap_nocache(X,Y)		ioremap((X),(Y))

#define ioremap_uc(X,Y)			ioremap((X),(Y))

#define ioremap_wc(X,Y)			ioremap((X),(Y))

#define ioremap_wt(X,Y)			ioremap((X),(Y))

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