patch-2.4.6 linux/include/asm-alpha/delay.h

• Lines: 52
• Date: Wed Jun 20 11:10:27 2001
• Orig file: v2.4.5/linux/include/asm-alpha/delay.h
• Orig date: Tue Jan 2 16:45:37 2001

diff -u --recursive --new-file v2.4.5/linux/include/asm-alpha/delay.h linux/include/asm-alpha/delay.h
@@ -1,48 +1,8 @@
 #ifndef __ALPHA_DELAY_H
 #define __ALPHA_DELAY_H
 
-#include <linux/config.h>
-#include <asm/param.h>
-#include <asm/smp.h>
-
-/*
- * Copyright (C) 1993, 2000 Linus Torvalds
- *
- * Delay routines, using a pre-computed "loops_per_jiffy" value.
- */
-
-/*
- * Use only for very small delays (< 1 msec). 
- *
- * The active part of our cycle counter is only 32-bits wide, and
- * we're treating the difference between two marks as signed.  On
- * a 1GHz box, that's about 2 seconds.
- */
-
-extern __inline__ void
-__delay(int loops)
-{
-	int tmp;
-	__asm__ __volatile__(
-		"	rpcc %0\n"
-		"	addl %1,%0,%1\n"
-		"1:	rpcc %0\n"
-		"	subl %1,%0,%0\n"
-		"	bgt %0,1b"
-		: "=&r" (tmp), "=r" (loops) : "1"(loops));
-}
-
-extern __inline__ void
-__udelay(unsigned long usecs, unsigned long lpj)
-{
-	usecs *= (((unsigned long)HZ << 32) / 1000000) * lpj;
-	__delay((long)usecs >> 32);
-}
-
-#ifdef CONFIG_SMP
-#define udelay(u)  __udelay((u), cpu_data[smp_processor_id()].loops_per_jiffy)
-#else
-#define udelay(u)  __udelay((u), loops_per_jiffy)
-#endif
+extern void __delay(int loops);
+extern void __udelay(unsigned long usecs, unsigned long lpj);
+extern void udelay(unsigned long usecs);
 
 #endif /* defined(__ALPHA_DELAY_H) */