diff options
Diffstat (limited to 'arch/um/kernel/time.c')
| -rw-r--r-- | arch/um/kernel/time.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index 90e24e2dbeaa..4fc8c2586b70 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -1,28 +1,19 @@ /* - * Copyright (C) 2000 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ -#include "linux/kernel.h" -#include "linux/module.h" -#include "linux/unistd.h" -#include "linux/stddef.h" -#include "linux/spinlock.h" -#include "linux/time.h" -#include "linux/sched.h" #include "linux/interrupt.h" -#include "linux/init.h" -#include "linux/delay.h" -#include "linux/hrtimer.h" +#include "linux/jiffies.h" +#include "linux/threads.h" #include "asm/irq.h" #include "asm/param.h" -#include "asm/current.h" #include "kern_util.h" #include "os.h" int hz(void) { - return(HZ); + return HZ; } /* @@ -43,7 +34,7 @@ void timer_irq(struct uml_pt_regs *regs) unsigned long long ticks = 0; #ifdef CONFIG_UML_REAL_TIME_CLOCK int c = cpu(); - if(prev_nsecs[c]){ + if (prev_nsecs[c]) { /* We've had 1 tick */ unsigned long long nsecs = os_nsecs(); @@ -51,7 +42,7 @@ void timer_irq(struct uml_pt_regs *regs) prev_nsecs[c] = nsecs; /* Protect against the host clock being set backwards */ - if(delta[c] < 0) + if (delta[c] < 0) delta[c] = 0; ticks += (delta[c] * HZ) / BILLION; @@ -61,7 +52,7 @@ void timer_irq(struct uml_pt_regs *regs) #else ticks = 1; #endif - while(ticks > 0){ + while (ticks > 0) { do_IRQ(TIMER_IRQ, regs); ticks--; } @@ -112,12 +103,12 @@ static void register_timer(void) int err; err = request_irq(TIMER_IRQ, um_timer, IRQF_DISABLED, "timer", NULL); - if(err != 0) + if (err != 0) printk(KERN_ERR "register_timer : request_irq failed - " "errno = %d\n", -err); err = set_interval(1); - if(err != 0) + if (err != 0) printk(KERN_ERR "register_timer : set_interval failed - " "errno = %d\n", -err); } @@ -144,7 +135,8 @@ void do_gettimeofday(struct timeval *tv) xtime.tv_nsec; #endif tv->tv_sec = nsecs / NSEC_PER_SEC; - /* Careful about calculations here - this was originally done as + /* + * Careful about calculations here - this was originally done as * (nsecs - tv->tv_sec * NSEC_PER_SEC) / NSEC_PER_USEC * which gave bogus (> 1000000) values. Dunno why, suspect gcc * (4.0.0) miscompiled it, or there's a subtle 64/32-bit conversion @@ -176,7 +168,7 @@ int do_settimeofday(struct timespec *tv) void timer_handler(int sig, struct uml_pt_regs *regs) { - if(current_thread->cpu == 0) + if (current_thread->cpu == 0) timer_irq(regs); local_irq_disable(); irq_enter(); |
