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timekeeping: Remove timekeeper.total_sleep_time

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No more users. Remove it

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
This commit is contained in:
Thomas Gleixner 2014-07-16 21:05:00 +00:00 committed by John Stultz
parent 02cba1598a
commit 47da70d325
2 changed files with 5 additions and 15 deletions
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6
include/linux/timekeeper_internal.h
View file

@ -20,8 +20,8 @@
* the tv_nsec part positive so we can use the usual normalization.
*
* wall_to_monotonic is moved after resume from suspend for the
* monotonic time not to jump. We need to add total_sleep_time to
* wall_to_monotonic to get the real boot based time offset.
* monotonic time not to jump. To calculate the real boot time offset
* we need to do offs_real - offs_boot.
*
* - wall_to_monotonic is no longer the boot time, getboottime must be
* used instead.
@ -51,8 +51,6 @@ struct timekeeper {
/* Offset clock monotonic -> clock tai */
ktime_t offs_tai;
/* time spent in suspend */
struct timespec64 total_sleep_time;
/* The current UTC to TAI offset in seconds */
s32 tai_offset;

14
kernel/time/timekeeping.c
View file

@ -97,13 +97,9 @@ static void tk_set_wall_to_mono(struct timekeeper *tk, struct timespec64 wtm)
tk->offs_tai = ktime_add(tk->offs_real, ktime_set(tk->tai_offset, 0));
}
static void tk_set_sleep_time(struct timekeeper *tk, struct timespec64 t)
static inline void tk_update_sleep_time(struct timekeeper *tk, ktime_t delta)
{
/* Verify consistency before modifying */
WARN_ON_ONCE(tk->offs_boot.tv64 != timespec64_to_ktime(tk->total_sleep_time).tv64);
tk->total_sleep_time = t;
tk->offs_boot = timespec64_to_ktime(t);
tk->offs_boot = ktime_add(tk->offs_boot, delta);
}
/**
@ -919,10 +915,6 @@ void __init timekeeping_init(void)
set_normalized_timespec64(&tmp, -boot.tv_sec, -boot.tv_nsec);
tk_set_wall_to_mono(tk, tmp);
tmp.tv_sec = 0;
tmp.tv_nsec = 0;
tk_set_sleep_time(tk, tmp);
timekeeping_update(tk, TK_MIRROR);
write_seqcount_end(&tk_core.seq);
@ -950,7 +942,7 @@ static void __timekeeping_inject_sleeptime(struct timekeeper *tk,
}
tk_xtime_add(tk, delta);
tk_set_wall_to_mono(tk, timespec64_sub(tk->wall_to_monotonic, *delta));
tk_set_sleep_time(tk, timespec64_add(tk->total_sleep_time, *delta));
tk_update_sleep_time(tk, timespec64_to_ktime(*delta));
tk_debug_account_sleep_time(delta);
}