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-rw-r--r--arch/m68k/include/asm/io.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/io.h b/arch/m68k/include/asm/io.h
index 531f420..d86eaf9 100644
--- a/arch/m68k/include/asm/io.h
+++ b/arch/m68k/include/asm/io.h
@@ -81,6 +81,8 @@
#define outl(val, port) out_le32((u32 *)((port)+_IO_BASE), (val))
#endif
+#define mb() __asm__ __volatile__ ("" : : : "memory")
+
extern inline void _insb(volatile u8 * port, void *buf, int ns)
{
u8 *data = (u8 *) buf;