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-rw-r--r--arch/sparc64/lib/delay.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/arch/sparc64/lib/delay.c b/arch/sparc64/lib/delay.c
index e8808727617a..fb27e54a03ee 100644
--- a/arch/sparc64/lib/delay.c
+++ b/arch/sparc64/lib/delay.c
@@ -1,6 +1,6 @@
1/* delay.c: Delay loops for sparc64 1/* delay.c: Delay loops for sparc64
2 * 2 *
3 * Copyright (C) 2004 David S. Miller <davem@redhat.com> 3 * Copyright (C) 2004, 2006 David S. Miller <davem@davemloft.net>
4 * 4 *
5 * Based heavily upon x86 variant which is: 5 * Based heavily upon x86 variant which is:
6 * Copyright (C) 1993 Linus Torvalds 6 * Copyright (C) 1993 Linus Torvalds
@@ -8,19 +8,16 @@
8 */ 8 */
9 9
10#include <linux/delay.h> 10#include <linux/delay.h>
11#include <asm/timer.h>
11 12
12void __delay(unsigned long loops) 13void __delay(unsigned long loops)
13{ 14{
14 __asm__ __volatile__( 15 unsigned long bclock, now;
15" b,pt %%xcc, 1f\n" 16
16" cmp %0, 0\n" 17 bclock = tick_ops->get_tick();
17" .align 32\n" 18 do {
18"1:\n" 19 now = tick_ops->get_tick();
19" bne,pt %%xcc, 1b\n" 20 } while ((now-bclock) < loops);
20" subcc %0, 1, %0\n"
21 : "=&r" (loops)
22 : "0" (loops)
23 : "cc");
24} 21}
25 22
26/* We used to multiply by HZ after shifting down by 32 bits 23/* We used to multiply by HZ after shifting down by 32 bits