[PATCH v5 1/4] sparc64: implement ioremap_uc

From: Tuowen Zhao
Date: Wed Oct 16 2019 - 17:07:31 EST


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

Cc: <stable@xxxxxxxxxxxxxxx>
Reported-by: kbuild test robot <lkp@xxxxxxxxx>
Signed-off-by: Tuowen Zhao <ztuowen@xxxxxxxxx>
---
arch/sparc/include/asm/io_64.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h
index 688911051b44..f4afa301954a 100644
--- a/arch/sparc/include/asm/io_64.h
+++ b/arch/sparc/include/asm/io_64.h
@@ -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))

--
2.23.0