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Diffstat (limited to 'arch/sh64/lib/io.c')
-rw-r--r--arch/sh64/lib/io.c29
1 files changed, 9 insertions, 20 deletions
diff --git a/arch/sh64/lib/io.c b/arch/sh64/lib/io.c
index 587baa3dffb9..a3f3a2b8e25b 100644
--- a/arch/sh64/lib/io.c
+++ b/arch/sh64/lib/io.c
@@ -11,30 +11,11 @@
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/delay.h>
+#include <linux/module.h>
#include <asm/system.h>
#include <asm/processor.h>
#include <asm/io.h>
-/*
- * readX/writeX() are used to access memory mapped devices. On some
- * architectures the memory mapped IO stuff needs to be accessed
- * differently. On the SuperH architecture, we just read/write the
- * memory location directly.
- */
-
-/* This is horrible at the moment - needs more work to do something sensible */
-#define IO_DELAY()
-
-#define OUT_DELAY(x,type) \
-void out##x##_p(unsigned type value,unsigned long port){out##x(value,port);IO_DELAY();}
-
-#define IN_DELAY(x,type) \
-unsigned type in##x##_p(unsigned long port) {unsigned type tmp=in##x(port);IO_DELAY();return tmp;}
-
-#if 1
-OUT_DELAY(b, long) OUT_DELAY(w, long) OUT_DELAY(l, long)
- IN_DELAY(b, long) IN_DELAY(w, long) IN_DELAY(l, long)
-#endif
/* Now for the string version of these functions */
void outsb(unsigned long port, const void *addr, unsigned long count)
{
@@ -45,6 +26,7 @@ void outsb(unsigned long port, const void *addr, unsigned long count)
outb(*p, port);
}
}
+EXPORT_SYMBOL(outsb);
void insb(unsigned long port, void *addr, unsigned long count)
{
@@ -55,6 +37,7 @@ void insb(unsigned long port, void *addr, unsigned long count)
*p = inb(port);
}
}
+EXPORT_SYMBOL(insb);
/* For the 16 and 32 bit string functions, we have to worry about alignment.
* The SH does not do unaligned accesses, so we have to read as bytes and
@@ -74,6 +57,7 @@ void outsw(unsigned long port, const void *addr, unsigned long count)
outw(tmp, port);
}
}
+EXPORT_SYMBOL(outsw);
void insw(unsigned long port, void *addr, unsigned long count)
{
@@ -87,6 +71,7 @@ void insw(unsigned long port, void *addr, unsigned long count)
p[1] = (tmp >> 8) & 0xff;
}
}
+EXPORT_SYMBOL(insw);
void outsl(unsigned long port, const void *addr, unsigned long count)
{
@@ -100,6 +85,7 @@ void outsl(unsigned long port, const void *addr, unsigned long count)
outl(tmp, port);
}
}
+EXPORT_SYMBOL(outsl);
void insl(unsigned long port, void *addr, unsigned long count)
{
@@ -116,6 +102,7 @@ void insl(unsigned long port, void *addr, unsigned long count)
}
}
+EXPORT_SYMBOL(insl);
void memcpy_toio(void __iomem *to, const void *from, long count)
{
@@ -126,6 +113,7 @@ void memcpy_toio(void __iomem *to, const void *from, long count)
writeb(*p++, to++);
}
}
+EXPORT_SYMBOL(memcpy_toio);
void memcpy_fromio(void *to, void __iomem *from, long count)
{
@@ -137,3 +125,4 @@ void memcpy_fromio(void *to, void __iomem *from, long count)
from++;
}
}
+EXPORT_SYMBOL(memcpy_fromio);