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-rw-r--r--include/asm-i386/io.h15
1 files changed, 9 insertions, 6 deletions
diff --git a/include/asm-i386/io.h b/include/asm-i386/io.h
index 59fe616933c..e797586a5bf 100644
--- a/include/asm-i386/io.h
+++ b/include/asm-i386/io.h
@@ -250,19 +250,22 @@ static inline void flush_write_buffers(void)
#endif /* __KERNEL__ */
+static inline void native_io_delay(void)
+{
+ asm volatile("outb %%al,$0x80" : : : "memory");
+}
+
#if defined(CONFIG_PARAVIRT)
#include <asm/paravirt.h>
#else
-#define __SLOW_DOWN_IO "outb %%al,$0x80;"
-
static inline void slow_down_io(void) {
- __asm__ __volatile__(
- __SLOW_DOWN_IO
+ native_io_delay();
#ifdef REALLY_SLOW_IO
- __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO
+ native_io_delay();
+ native_io_delay();
+ native_io_delay();
#endif
- : : );
}
#endif