summaryrefslogtreecommitdiff
path: root/arch/arm/include/asm/io.h
diff options
context:
space:
mode:
authorRob Herring <rob.herring@calxeda.com>2012-03-05 08:03:33 +0400
committerRob Herring <rob.herring@calxeda.com>2012-03-07 07:34:43 +0400
commitc334bc150524f833db3c76a0aaf55fb5044444e1 (patch)
treea29acb80a05bdca36547b973229582481727ee24 /arch/arm/include/asm/io.h
parent41e32c906054be3a600cdeb69eb70350066e0a91 (diff)
downloadlinux-c334bc150524f833db3c76a0aaf55fb5044444e1.tar.xz
ARM: make mach/io.h include optional
Add a kconfig option NEED_MACH_IO_H to conditionally include mach/io.h. Basing this on CONFIG_PCI and CONFIG_ISA doesn't quite work. Most ISA platforms don't need mach/io.h, but ebsa110 does. Most PCI platforms need mach/io.h for now, but ks8695 doesn't which means i/o accesses are broken. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Russell King <linux@arm.linux.org.uk> Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Nicolas Pitre <nico@linaro.org>
Diffstat (limited to 'arch/arm/include/asm/io.h')
-rw-r--r--arch/arm/include/asm/io.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 6f7555ddab8c..233034e46ec6 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -114,7 +114,12 @@ static inline void __iomem *__typesafe_io(unsigned long addr)
/*
* Now, pick up the machine-defined IO definitions
*/
+#ifdef CONFIG_NEED_MACH_IO_H
#include <mach/io.h>
+#else
+#define __io(a) ({ (void)(a); __typesafe_io(0); })
+#define __mem_pci(a) (a)
+#endif
/*
* This is the limit of PC card/PCI/ISA IO space, which is by default