timekeeping: Use tk_read_base as argument for timekeeping_get_ns()
All the function needs is in the tk_read_base struct. No functional change for the current code, just a preparatory patch for the NMI safe accessor to clock monotonic which will use struct tk_read_base as well. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
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@ -173,19 +173,19 @@ u32 (*arch_gettimeoffset)(void) = default_arch_gettimeoffset;
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static inline u32 arch_gettimeoffset(void) { return 0; }
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#endif
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static inline s64 timekeeping_get_ns(struct timekeeper *tk)
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static inline s64 timekeeping_get_ns(struct tk_read_base *tkr)
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{
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cycle_t cycle_now, delta;
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s64 nsec;
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/* read clocksource: */
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cycle_now = tk->tkr.read(tk->tkr.clock);
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cycle_now = tkr->read(tkr->clock);
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/* calculate the delta since the last update_wall_time: */
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delta = clocksource_delta(cycle_now, tk->tkr.cycle_last, tk->tkr.mask);
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delta = clocksource_delta(cycle_now, tkr->cycle_last, tkr->mask);
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nsec = delta * tk->tkr.mult + tk->tkr.xtime_nsec;
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nsec >>= tk->tkr.shift;
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nsec = delta * tkr->mult + tkr->xtime_nsec;
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nsec >>= tkr->shift;
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/* If arch requires, add in get_arch_timeoffset() */
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return nsec + arch_gettimeoffset();
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@ -372,7 +372,7 @@ int __getnstimeofday64(struct timespec64 *ts)
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seq = read_seqcount_begin(&tk_core.seq);
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ts->tv_sec = tk->xtime_sec;
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nsecs = timekeeping_get_ns(tk);
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nsecs = timekeeping_get_ns(&tk->tkr);
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} while (read_seqcount_retry(&tk_core.seq, seq));
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@ -413,7 +413,7 @@ ktime_t ktime_get(void)
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do {
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seq = read_seqcount_begin(&tk_core.seq);
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base = tk->tkr.base_mono;
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nsecs = timekeeping_get_ns(tk);
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nsecs = timekeeping_get_ns(&tk->tkr);
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} while (read_seqcount_retry(&tk_core.seq, seq));
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@ -439,7 +439,7 @@ ktime_t ktime_get_with_offset(enum tk_offsets offs)
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do {
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seq = read_seqcount_begin(&tk_core.seq);
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base = ktime_add(tk->tkr.base_mono, *offset);
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nsecs = timekeeping_get_ns(tk);
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nsecs = timekeeping_get_ns(&tk->tkr);
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} while (read_seqcount_retry(&tk_core.seq, seq));
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@ -509,7 +509,7 @@ void ktime_get_ts64(struct timespec64 *ts)
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do {
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seq = read_seqcount_begin(&tk_core.seq);
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ts->tv_sec = tk->xtime_sec;
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nsec = timekeeping_get_ns(tk);
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nsec = timekeeping_get_ns(&tk->tkr);
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tomono = tk->wall_to_monotonic;
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} while (read_seqcount_retry(&tk_core.seq, seq));
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@ -547,7 +547,7 @@ void getnstime_raw_and_real(struct timespec *ts_raw, struct timespec *ts_real)
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ts_real->tv_nsec = 0;
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nsecs_raw = timekeeping_get_ns_raw(tk);
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nsecs_real = timekeeping_get_ns(tk);
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nsecs_real = timekeeping_get_ns(&tk->tkr);
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} while (read_seqcount_retry(&tk_core.seq, seq));
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@ -1624,7 +1624,7 @@ ktime_t ktime_get_update_offsets_now(ktime_t *offs_real, ktime_t *offs_boot,
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seq = read_seqcount_begin(&tk_core.seq);
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base = tk->tkr.base_mono;
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nsecs = timekeeping_get_ns(tk);
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nsecs = timekeeping_get_ns(&tk->tkr);
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*offs_real = tk->offs_real;
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*offs_boot = tk->offs_boot;
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