redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

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: kbuild test robot <lkp@intel.com>
Signed-off-by: Tuowen Zhao <ztuowen@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
alistair/sunxi64-5.5-dsi
Tuowen Zhao 2019-10-16 15:06:27 -06:00 committed by Lee Jones
parent 54ecb8f702
commit 38e45d81d1
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/sparc/include/asm/io_64.h
View File

@ -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))