X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=arch%2Fsparc64%2Flib%2Fdelay.c;h=e8808727617a146aea231267d4fafe7beb8e8132;hb=987b0145d94eecf292d8b301228356f44611ab7c;hp=fb27e54a03ee11b9db711b9fbfe1b3f3db6894cb;hpb=f7ed79d23a47594e7834d66a8f14449796d4f3e6;p=linux-2.6.git

diff --git a/arch/sparc64/lib/delay.c b/arch/sparc64/lib/delay.c
index fb27e54a0..e88087276 100644
--- a/arch/sparc64/lib/delay.c
+++ b/arch/sparc64/lib/delay.c
@@ -1,6 +1,6 @@
 /* delay.c: Delay loops for sparc64
  *
- * Copyright (C) 2004, 2006 David S. Miller <davem@davemloft.net>
+ * Copyright (C) 2004 David S. Miller <davem@redhat.com>
  *
  * Based heavily upon x86 variant which is:
  *	Copyright (C) 1993 Linus Torvalds
@@ -8,16 +8,19 @@
  */
 
 #include <linux/delay.h>
-#include <asm/timer.h>
 
 void __delay(unsigned long loops)
 {
-	unsigned long bclock, now;
-	
-	bclock = tick_ops->get_tick();
-	do {
-		now = tick_ops->get_tick();
-	} while ((now-bclock) < loops);
+	__asm__ __volatile__(
+"	b,pt	%%xcc, 1f\n"
+"	 cmp	%0, 0\n"
+"	.align	32\n"
+"1:\n"
+"	bne,pt	%%xcc, 1b\n"
+"	 subcc	%0, 1, %0\n"
+	: "=&r" (loops)
+	: "0" (loops)
+	: "cc");
 }
 
 /* We used to multiply by HZ after shifting down by 32 bits