summaryrefslogtreecommitdiffstats
path: root/kernel/arch/sh/include/asm/io_generic.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/arch/sh/include/asm/io_generic.h')
-rw-r--r--kernel/arch/sh/include/asm/io_generic.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/arch/sh/include/asm/io_generic.h b/kernel/arch/sh/include/asm/io_generic.h
new file mode 100644
index 000000000..b5f6956f1
--- /dev/null
+++ b/kernel/arch/sh/include/asm/io_generic.h
@@ -0,0 +1,18 @@
+/*
+ * Trivial I/O routine definitions, intentionally meant to be included
+ * multiple times. Ugly I/O routine concatenation helpers taken from
+ * alpha. Must be included _before_ io.h to avoid preprocessor-induced
+ * routine mismatch.
+ */
+#define IO_CONCAT(a,b) _IO_CONCAT(a,b)
+#define _IO_CONCAT(a,b) a ## _ ## b
+
+#ifndef __IO_PREFIX
+#error "Don't include this header without a valid system prefix"
+#endif
+
+void __iomem *IO_CONCAT(__IO_PREFIX,ioport_map)(unsigned long addr, unsigned int size);
+void IO_CONCAT(__IO_PREFIX,ioport_unmap)(void __iomem *addr);
+void IO_CONCAT(__IO_PREFIX,mem_init)(void);
+
+#undef __IO_PREFIX