[PATCH] uml: s390 preparation, delay moved to arch

s390 has fast read access to realtime clock (nanosecond resolution).  So it
makes sense to have an arch-specific implementation not only of __delay, but
__udelay also.

Signed-off-by: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-um/delay.h b/include/asm-um/delay.h
index 4069557..0985bda6 100644
--- a/include/asm-um/delay.h
+++ b/include/asm-um/delay.h
@@ -4,4 +4,6 @@
 #include "asm/arch/delay.h"
 #include "asm/archparam.h"
 
+#define MILLION 1000000
+
 #endif