Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ef81ab2c72e6979367612502fefbb18669e37879
Commit: ef81ab2c72e6979367612502fefbb18669e37879
Parent: af74522ab782c718783b9d85d6d53b8cbf0c7b17
Author: Thomas Gleixner <[EMAIL PROTECTED]>
AuthorDate: Sat Jul 21 17:10:12 2007 +0200
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Sat Jul 21 18:37:08 2007 -0700
x86_64: Use generic xtime init
xtime can be initialized including the cmos update from the generic
timekeeping code. Remove the arch specific implementation.
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
Signed-off-by: Chris Wright <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Andi Kleen <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
arch/x86_64/kernel/time.c | 40 +---------------------------------------
1 files changed, 1 insertions(+), 39 deletions(-)
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index d0e014e..8dc6f21 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -193,7 +193,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static unsigned long get_cmos_time(void)
+unsigned long read_persistent_clock(void)
{
unsigned int year, mon, day, hour, min, sec;
unsigned long flags;
@@ -367,11 +367,6 @@ void __init time_init(void)
{
if (nohpet)
hpet_address = 0;
- xtime.tv_sec = get_cmos_time();
- xtime.tv_nsec = 0;
-
- set_normalized_timespec(&wall_to_monotonic,
- -xtime.tv_sec, -xtime.tv_nsec);
if (hpet_arch_init())
hpet_address = 0;
@@ -409,54 +404,21 @@ void __init time_init(void)
setup_irq(0, &irq0);
}
-
-static long clock_cmos_diff;
-static unsigned long sleep_start;
-
/*
* sysfs support for the timer.
*/
static int timer_suspend(struct sys_device *dev, pm_message_t state)
{
- /*
- * Estimate time zone so that set_time can update the clock
- */
- long cmos_time = get_cmos_time();
-
- clock_cmos_diff = -cmos_time;
- clock_cmos_diff += get_seconds();
- sleep_start = cmos_time;
return 0;
}
static int timer_resume(struct sys_device *dev)
{
- unsigned long flags;
- unsigned long sec;
- unsigned long ctime = get_cmos_time();
- long sleep_length = (ctime - sleep_start) * HZ;
-
- if (sleep_length < 0) {
- printk(KERN_WARNING "Time skew detected in timer resume!\n");
- /* The time after the resume must not be earlier than the time
- * before the suspend or some nasty things will happen
- */
- sleep_length = 0;
- ctime = sleep_start;
- }
if (hpet_address)
hpet_reenable();
else
i8254_timer_resume();
-
- sec = ctime + clock_cmos_diff;
- write_seqlock_irqsave(&xtime_lock,flags);
- xtime.tv_sec = sec;
- xtime.tv_nsec = 0;
- jiffies += sleep_length;
- write_sequnlock_irqrestore(&xtime_lock,flags);
- touch_softlockup_watchdog();
return 0;
}
-
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