Patchwork MIPS: Fix multiple definitions of UNCAC_BASE.

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Submitter Steven J. Hill
Date July 3, 2013, 6:28 p.m.
Message ID <>
Download mbox | patch
Permalink /patch/5583/
State Accepted
Delegated to: Ralf Baechle
Headers show


Steven J. Hill - July 3, 2013, 6:28 p.m.
From: "Steven J. Hill" <>

Fix build error below:

arch/mips/include/asm/mach-generic/spaces.h:29:0: warning:
"UNCAC_BASE" redefined [enabled by default]
In file included from arch/mips/include/asm/addrspace.h:13:0,
                 from arch/mips/include/asm/barrier.h:11,
                 from arch/mips/include/asm/bitops.h:18,
                 from include/linux/bitops.h:22,
                 from include/linux/kernel.h:10,
                 from include/asm-generic/bug.h:13,
                 from arch/mips/include/asm/bug.h:41,
                 from include/linux/bug.h:4,
                 from include/linux/page-flags.h:9,
                 from kernel/bounds.c:9:
arch/mips/include/asm/mach-ar7/spaces.h:20:0: note: this is the
location of the previous definition

Signed-off-by: Steven J. Hill <>

 arch/mips/include/asm/mach-generic/spaces.h |    4 ++++
 1 file changed, 4 insertions(+)


diff --git a/arch/mips/include/asm/mach-generic/spaces.h b/arch/mips/include/asm/mach-generic/spaces.h
index 5b2f2e6..9488fa5 100644
--- a/arch/mips/include/asm/mach-generic/spaces.h
+++ b/arch/mips/include/asm/mach-generic/spaces.h
@@ -25,8 +25,12 @@ 
 #define CAC_BASE		_AC(0x80000000, UL)
+#ifndef IO_BASE
 #define IO_BASE			_AC(0xa0000000, UL)
+#ifndef UNCAC_BASE
 #define UNCAC_BASE		_AC(0xa0000000, UL)
 #ifndef MAP_BASE