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| author | Thomas Gleixner <tglx@linutronix.de> | 2014-07-16 23:03:50 +0200 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2014-07-23 19:16:50 +0200 |
| commit | e06fde37b860f5030e93475a2a95857af7ad13e1 (patch) | |
| tree | be1a2967bec476c1f56a3238240200d330842997 | |
| parent | tile: Convert VDSO timekeeping to the precise mechanism (diff) | |
| download | linux-e06fde37b860f5030e93475a2a95857af7ad13e1.tar.xz linux-e06fde37b860f5030e93475a2a95857af7ad13e1.zip | |
timekeeping: Simplify arch_gettimeoffset()
Provide a default stub function instead of having the extra
conditional. Cuts binary size on a m68k build by ~100 bytes.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
| -rw-r--r-- | kernel/time/timekeeping.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 32d8d6aaedb8..908861c58e62 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -153,16 +153,10 @@ static void tk_setup_internals(struct timekeeper *tk, struct clocksource *clock) /* Timekeeper helper functions. */ #ifdef CONFIG_ARCH_USES_GETTIMEOFFSET -u32 (*arch_gettimeoffset)(void); - -u32 get_arch_timeoffset(void) -{ - if (likely(arch_gettimeoffset)) - return arch_gettimeoffset(); - return 0; -} +static u32 default_arch_gettimeoffset(void) { return 0; } +u32 (*arch_gettimeoffset)(void) = default_arch_gettimeoffset; #else -static inline u32 get_arch_timeoffset(void) { return 0; } +static inline u32 arch_gettimeoffset(void) { return 0; } #endif static inline s64 timekeeping_get_ns(struct timekeeper *tk) @@ -182,7 +176,7 @@ static inline s64 timekeeping_get_ns(struct timekeeper *tk) nsec >>= tk->shift; /* If arch requires, add in get_arch_timeoffset() */ - return nsec + get_arch_timeoffset(); + return nsec + arch_gettimeoffset(); } static inline s64 timekeeping_get_ns_raw(struct timekeeper *tk) @@ -202,7 +196,7 @@ static inline s64 timekeeping_get_ns_raw(struct timekeeper *tk) nsec = clocksource_cyc2ns(cycle_delta, clock->mult, clock->shift); /* If arch requires, add in get_arch_timeoffset() */ - return nsec + get_arch_timeoffset(); + return nsec + arch_gettimeoffset(); } static RAW_NOTIFIER_HEAD(pvclock_gtod_chain); @@ -282,7 +276,7 @@ static void timekeeping_forward_now(struct timekeeper *tk) tk->xtime_nsec += cycle_delta * tk->mult; /* If arch requires, add in get_arch_timeoffset() */ - tk->xtime_nsec += (u64)get_arch_timeoffset() << tk->shift; + tk->xtime_nsec += (u64)arch_gettimeoffset() << tk->shift; tk_normalize_xtime(tk); |