diff options
| author |   Bodo Stroesser <bstroesser@fujitsu-siemens.com> | 2005-05-05 16:15:37 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-05 16:36:38 -0700 |
| commit | 5fd861b682785f650114f4df53060d1be7fedecd (patch) | |
| tree | eaa02425c2be79ac21ecc684a5b2a31d9f3320c2 /arch/um/kernel/time_kern.c | |
| parent | [PATCH] uml: s390 preparation, checksumming done in arch code (diff) | |
| download | linux-dev-5fd861b682785f650114f4df53060d1be7fedecd.tar.xz linux-dev-5fd861b682785f650114f4df53060d1be7fedecd.zip | |
[PATCH] uml: s390 preparation, delay moved to arch
s390 has fast read access to realtime clock (nanosecond resolution). So it
makes sense to have an arch-specific implementation not only of __delay, but
__udelay also.
Signed-off-by: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/um/kernel/time_kern.c')
| -rw-r--r-- | arch/um/kernel/time_kern.c | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/arch/um/kernel/time_kern.c b/arch/um/kernel/time_kern.c index 2461cd73ca87..6516fc52afe0 100644 --- a/arch/um/kernel/time_kern.c +++ b/arch/um/kernel/time_kern.c @@ -48,8 +48,6 @@ static unsigned long long prev_usecs; static long long delta; /* Deviation per interval */ #endif -#define MILLION 1000000 - void timer_irq(union uml_pt_regs *regs) { unsigned long long ticks = 0; @@ -136,22 +134,6 @@ long um_stime(int __user *tptr) return 0; } -void __udelay(unsigned long usecs) -{ - int i, n; - - n = (loops_per_jiffy * HZ * usecs) / MILLION; - for(i=0;i<n;i++) ; -} - -void __const_udelay(unsigned long usecs) -{ - int i, n; - - n = (loops_per_jiffy * HZ * usecs) / MILLION; - for(i=0;i<n;i++) ; -} - void timer_handler(int sig, union uml_pt_regs *regs) { local_irq_disable(); |