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-rw-r--r--arch/um/sys-x86_64/delay.c33
1 files changed, 15 insertions, 18 deletions
diff --git a/arch/um/sys-x86_64/delay.c b/arch/um/sys-x86_64/delay.c
index 651332aeec22..137f4446b439 100644
--- a/arch/um/sys-x86_64/delay.c
+++ b/arch/um/sys-x86_64/delay.c
@@ -5,40 +5,37 @@
5 * Licensed under the GPL 5 * Licensed under the GPL
6 */ 6 */
7 7
8#include "linux/delay.h" 8#include <linux/module.h>
9#include "asm/processor.h" 9#include <linux/delay.h>
10#include "asm/param.h" 10#include <asm/processor.h>
11#include <asm/param.h>
11 12
12void __delay(unsigned long loops) 13void __delay(unsigned long loops)
13{ 14{
14 unsigned long i; 15 unsigned long i;
15 16
16 for(i = 0; i < loops; i++) ; 17 for(i = 0; i < loops; i++)
18 cpu_relax();
17} 19}
18 20
19void __udelay(unsigned long usecs) 21void __udelay(unsigned long usecs)
20{ 22{
21 int i, n; 23 unsigned long i, n;
22 24
23 n = (loops_per_jiffy * HZ * usecs) / MILLION; 25 n = (loops_per_jiffy * HZ * usecs) / MILLION;
24 for(i=0;i<n;i++) ; 26 for(i=0;i<n;i++)
27 cpu_relax();
25} 28}
26 29
30EXPORT_SYMBOL(__udelay);
31
27void __const_udelay(unsigned long usecs) 32void __const_udelay(unsigned long usecs)
28{ 33{
29 int i, n; 34 unsigned long i, n;
30 35
31 n = (loops_per_jiffy * HZ * usecs) / MILLION; 36 n = (loops_per_jiffy * HZ * usecs) / MILLION;
32 for(i=0;i<n;i++) ; 37 for(i=0;i<n;i++)
38 cpu_relax();
33} 39}
34 40
35/* 41EXPORT_SYMBOL(__const_udelay);
36 * Overrides for Emacs so that we follow Linus's tabbing style.
37 * Emacs will notice this stuff at the end of the file and automatically
38 * adjust the settings for this buffer only. This must remain at the end
39 * of the file.
40 * ---------------------------------------------------------------------------
41 * Local variables:
42 * c-file-style: "linux"
43 * End:
44 */