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-rw-r--r--arch/Kconfig4
-rw-r--r--include/linux/io.h16
2 files changed, 20 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index c43787c..92d4b97 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -1,6 +1,9 @@
config CREATE_ARCH_SYMLINK
bool
+config HAVE_ARCH_IOREMAP
+ bool
+
choice
prompt "Architecture select"
default SANDBOX
@@ -33,6 +36,7 @@ config MICROBLAZE
config MIPS
bool "MIPS architecture"
+ select HAVE_ARCH_IOREMAP
select HAVE_PRIVATE_LIBGCC
select SUPPORT_OF_CONTROL
diff --git a/include/linux/io.h b/include/linux/io.h
index 1b36a22..a104b7e 100644
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -5,6 +5,22 @@
#ifndef _LINUX_IO_H
#define _LINUX_IO_H
+#include <linux/compiler.h>
+#include <linux/types.h>
#include <asm/io.h>
+#ifndef CONFIG_HAVE_ARCH_IOREMAP
+static inline void __iomem *ioremap(resource_size_t offset,
+ resource_size_t size)
+{
+ return (void __iomem *)(unsigned long)offset;
+}
+
+static inline void iounmap(void __iomem *addr)
+{
+}
+
+#define devm_ioremap(dev, offset, size) ioremap(offset, size)
+#endif
+
#endif /* _LINUX_IO_H */