patch-2.4.20 linux-2.4.20/include/asm-x86_64/delay.h

• Lines: 21
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/include/asm-x86_64/delay.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/include/asm-x86_64/delay.h linux-2.4.20/include/asm-x86_64/delay.h
@@ -0,0 +1,20 @@
+#ifndef _X8664_DELAY_H
+#define _X8664_DELAY_H
+
+/*
+ * Copyright (C) 1993 Linus Torvalds
+ *
+ * Delay routines calling functions in arch/i386/lib/delay.c
+ */
+ 
+extern void __bad_udelay(void);
+
+extern void __udelay(unsigned long usecs);
+extern void __const_udelay(unsigned long usecs);
+extern void __delay(unsigned long loops);
+
+#define udelay(n) (__builtin_constant_p(n) ? \
+	((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \
+	__udelay(n))
+
+#endif /* defined(_X8664_DELAY_H) */