| /Linux-v5.15/lib/ |
| D | flex_proportions.c | 42 p->period = 0; in fprop_global_init()
83 p->period += periods; in fprop_new_period()
97 pl->period = 0; in fprop_local_init_single()
109 unsigned int period = p->period; in fprop_reflect_period_single() local
113 if (pl->period == period) in fprop_reflect_period_single()
117 if (pl->period >= period) { in fprop_reflect_period_single()
122 if (period - pl->period < BITS_PER_LONG) in fprop_reflect_period_single()
123 pl->events >>= period - pl->period; in fprop_reflect_period_single()
126 pl->period = period; in fprop_reflect_period_single()
179 pl->period = 0; in fprop_local_init_percpu()
[all …]
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| /Linux-v5.15/drivers/gpu/drm/tegra/ |
| D | mipi-phy.c | 17 unsigned long period) in mipi_dphy_timing_get_default() argument
20 timing->clkpost = 70 + 52 * period; in mipi_dphy_timing_get_default()
30 timing->hsprepare = 65 + 5 * period; in mipi_dphy_timing_get_default()
31 timing->hszero = 145 + 5 * period; in mipi_dphy_timing_get_default()
32 timing->hssettle = 85 + 6 * period; in mipi_dphy_timing_get_default()
46 timing->hstrail = max(4 * 8 * period, 60 + 4 * 4 * period); in mipi_dphy_timing_get_default()
63 unsigned long period) in mipi_dphy_timing_validate() argument
68 if (timing->clkpost < (60 + 52 * period)) in mipi_dphy_timing_validate()
89 if (timing->dtermen > 35 + 4 * period) in mipi_dphy_timing_validate()
92 if (timing->eot > 105 + 12 * period) in mipi_dphy_timing_validate()
[all …]
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| /Linux-v5.15/drivers/iio/imu/inv_icm42600/ |
| D | inv_icm42600_timestamp.c | 44 uint32_t period) in inv_icm42600_timestamp_init() argument
51 ts->period = default_period; in inv_icm42600_timestamp_init()
53 ts->new_mult = period / INV_ICM42600_TIMESTAMP_PERIOD; in inv_icm42600_timestamp_init()
71 uint32_t period, bool fifo) in inv_icm42600_timestamp_update_odr() argument
77 ts->new_mult = period / INV_ICM42600_TIMESTAMP_PERIOD; in inv_icm42600_timestamp_update_odr()
82 static bool inv_validate_period(uint32_t period, uint32_t mult) in inv_validate_period() argument
90 if (period > period_min && period < period_max) in inv_validate_period()
97 uint32_t mult, uint32_t period) in inv_compute_chip_period() argument
101 if (!inv_validate_period(period, mult)) in inv_compute_chip_period()
105 new_chip_period = period / mult; in inv_compute_chip_period()
[all …]
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| /Linux-v5.15/drivers/pwm/ |
| D | pwm-visconti.c | 50 u32 period, duty_cycle, pwmc0; in visconti_pwm_apply() local
63 if (state->period > (0xffff << 3) * 1000) in visconti_pwm_apply()
64 period = (0xffff << 3) * 1000; in visconti_pwm_apply()
66 period = state->period; in visconti_pwm_apply()
68 if (state->duty_cycle > period) in visconti_pwm_apply()
69 duty_cycle = period; in visconti_pwm_apply()
78 period /= 1000; in visconti_pwm_apply()
81 if (!period) in visconti_pwm_apply()
90 pwmc0 = fls(period >> 16); in visconti_pwm_apply()
94 period >>= pwmc0; in visconti_pwm_apply()
[all …]
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| D | core.c | 143 pwm->args.period = args->args[1]; in of_pwm_xlate_with_flags()
454 s2.duty_cycle = s1.period - s1.duty_cycle; in pwm_apply_state_debug()
455 s2.period = s1.period; in pwm_apply_state_debug()
462 state->duty_cycle < state->period) in pwm_apply_state_debug()
467 last->period > s2.period && in pwm_apply_state_debug()
468 last->period <= state->period) in pwm_apply_state_debug()
471 state->period, s2.period, last->period); in pwm_apply_state_debug()
473 if (state->enabled && state->period < s2.period) in pwm_apply_state_debug()
476 state->period, s2.period); in pwm_apply_state_debug()
480 last->period == s2.period && in pwm_apply_state_debug()
[all …]
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| D | pwm-ntxec.c | 59 int period, int duty) in ntxec_pwm_set_raw_period_and_duty_cycle() argument
75 { NTXEC_REG_PERIOD_HIGH, ntxec_reg8(period >> 8) }, in ntxec_pwm_set_raw_period_and_duty_cycle()
77 { NTXEC_REG_PERIOD_LOW, ntxec_reg8(period) }, in ntxec_pwm_set_raw_period_and_duty_cycle()
88 unsigned int period, duty; in ntxec_pwm_apply() local
94 period = min_t(u64, state->period, MAX_PERIOD_NS); in ntxec_pwm_apply()
95 duty = min_t(u64, state->duty_cycle, period); in ntxec_pwm_apply()
97 period /= TIME_BASE_NS; in ntxec_pwm_apply()
110 res = ntxec_pwm_set_raw_period_and_duty_cycle(chip, period, duty); in ntxec_pwm_apply()
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| D | pwm-renesas-tpu.c | 77 u16 period; member
180 tpu_pwm_write(pwm, TPU_TGRBn, pwm->period); in tpu_pwm_timer_start()
183 pwm->channel, pwm->duty, pwm->period); in tpu_pwm_timer_start()
226 pwm->period = 0; in tpu_pwm_request()
253 u32 period; in tpu_pwm_config() local
264 period = clk_rate / prescalers[prescaler] in tpu_pwm_config()
266 if (period <= 0xffff) in tpu_pwm_config()
270 if (prescaler == ARRAY_SIZE(prescalers) || period == 0) { in tpu_pwm_config()
278 if (duty > period) in tpu_pwm_config()
286 clk_rate, prescalers[prescaler], period, duty); in tpu_pwm_config()
[all …]
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| D | pwm-crc.c | 61 if (state->period > PWM_MAX_PERIOD_NS) { in crc_pwm_apply()
78 pwm_get_period(pwm) != state->period) { in crc_pwm_apply()
81 do_div(level, state->period); in crc_pwm_apply()
91 pwm_get_period(pwm) != state->period) { in crc_pwm_apply()
100 if (pwm_get_period(pwm) != state->period || in crc_pwm_apply()
102 int clk_div = crc_pwm_calc_clk_div(state->period); in crc_pwm_apply()
146 state->period = in crc_pwm_get_state()
149 DIV_ROUND_UP_ULL(duty_cycle_reg * state->period, PWM_MAX_LEVEL); in crc_pwm_get_state()
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| /Linux-v5.15/tools/perf/tests/ |
| D | hists_output.c | 54 struct perf_sample sample = { .period = 100, }; in add_hist_entries()
170 !strcmp(SYM(he), "main") && he->stat.period == 200); in test1()
176 !strcmp(SYM(he), "page_fault") && he->stat.period == 100); in test1()
182 !strcmp(SYM(he), "main") && he->stat.period == 100); in test1()
188 !strcmp(SYM(he), "xmalloc") && he->stat.period == 100); in test1()
194 !strcmp(SYM(he), "page_fault") && he->stat.period == 100); in test1()
200 !strcmp(SYM(he), "schedule") && he->stat.period == 100); in test1()
206 !strcmp(SYM(he), "free") && he->stat.period == 100); in test1()
212 !strcmp(SYM(he), "malloc") && he->stat.period == 100); in test1()
218 !strcmp(SYM(he), "cmd_record") && he->stat.period == 100); in test1()
[all …]
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| /Linux-v5.15/drivers/net/wireless/mediatek/mt76/ |
| D | mt76x02_dfs.c | 257 pulse->period = mt76_rr(dev, MT_BBP(DFS, 19)); in mt76x02_dfs_get_hw_pulse()
272 if (!pulse->period || !pulse->w1) in mt76x02_dfs_check_hw_pulse()
287 ret = (pulse->period >= 2900 && in mt76x02_dfs_check_hw_pulse()
288 (pulse->period <= 4700 || in mt76x02_dfs_check_hw_pulse()
289 pulse->period >= 6400) && in mt76x02_dfs_check_hw_pulse()
290 (pulse->period <= 6800 || in mt76x02_dfs_check_hw_pulse()
291 pulse->period >= 10200) && in mt76x02_dfs_check_hw_pulse()
292 pulse->period <= 61600); in mt76x02_dfs_check_hw_pulse()
294 ret = (pulse->period >= 2900 && in mt76x02_dfs_check_hw_pulse()
295 pulse->period <= 61600); in mt76x02_dfs_check_hw_pulse()
[all …]
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| /Linux-v5.15/drivers/watchdog/ |
| D | booke_wdt.c | 60 static unsigned long long period_to_sec(unsigned int period) in period_to_sec() argument
62 unsigned long long tmp = 1ULL << (64 - period); in period_to_sec()
81 unsigned int period; in sec_to_period() local
82 for (period = 63; period > 0; period--) { in sec_to_period()
83 if (period_to_sec(period) >= secs) in sec_to_period()
84 return period; in sec_to_period()
93 static unsigned long long period_to_sec(unsigned int period) in period_to_sec() argument
95 return period; in period_to_sec()
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| D | nic7018_wdt.c | 47 u32 period; member
52 u32 period; member
61 static inline u32 nic7018_timeout(u32 period, u8 counter) in nic7018_timeout() argument
63 return period * counter - period / 2; in nic7018_timeout()
98 wdd->timeout = nic7018_timeout(config->period, counter); in nic7018_set_timeout()
99 wdt->period = config->period; in nic7018_set_timeout()
151 return nic7018_timeout(wdt->period, count); in nic7018_get_timeleft()
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| /Linux-v5.15/include/linux/ |
| D | pwm.h | 42 u64 period; member
63 u64 period; member
120 static inline void pwm_set_period(struct pwm_device *pwm, u64 period) in pwm_set_period() argument
123 pwm->state.period = period; in pwm_set_period()
132 return state.period; in pwm_get_period()
193 state->period = args.period; in pwm_init_state()
215 if (!state->period) in pwm_get_relative_duty_cycle()
219 state->period); in pwm_get_relative_duty_cycle()
248 state->period, in pwm_set_relative_duty_cycle()
321 unsigned int period; member
[all …]
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| /Linux-v5.15/drivers/char/hw_random/ |
| D | timeriomem-rng.c | 35 ktime_t period; member
50 int period_us = ktime_to_us(priv->period); in timeriomem_rng_read()
86 hrtimer_forward_now(&priv->timer, priv->period); in timeriomem_rng_read()
109 int period; in timeriomem_rng_probe() local
139 period = i; in timeriomem_rng_probe()
151 period = pdata->period; in timeriomem_rng_probe()
155 priv->period = ns_to_ktime(period * NSEC_PER_USEC); in timeriomem_rng_probe()
179 priv->io_base, period); in timeriomem_rng_probe()
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| /Linux-v5.15/Documentation/RCU/Design/Memory-Ordering/ |
| D | Tree-RCU-Memory-Ordering.rst | 13 grace-period memory ordering guarantee is provided.
20 Any code that happens after the end of a given RCU grace period is guaranteed
22 period that are within RCU read-side critical sections.
24 period is guaranteed to not see the effects of all accesses following the end
25 of that grace period that are within RCU read-side critical sections.
34 two phases, one of which is executed before the grace period and
35 the other of which is executed after the grace period.
49 The workhorse for RCU's grace-period memory ordering is the
74 period, including any CPUs that came online or went offline during
75 the grace period in question.
[all …]
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| /Linux-v5.15/arch/m68k/atari/ |
| D | atasound.c | 59 int period; in atari_mksound() local
74 period = PSG_FREQ / hz; in atari_mksound()
76 if (period > 0xfff) period = 0xfff; in atari_mksound()
80 sound_ym.wd_data = period & 0xff; in atari_mksound()
82 sound_ym.wd_data = (period >> 8) & 0xf; in atari_mksound()
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| /Linux-v5.15/drivers/scsi/ |
| D | scsi_transport_spi.c | 413 static int period_to_str(char *buf, int period) in period_to_str() argument
417 if (period < 0 || period > 0xff) { in period_to_str()
419 } else if (period <= SPI_STATIC_PPR) { in period_to_str()
420 picosec = ppr_to_ps[period]; in period_to_str()
422 picosec = period * 4000; in period_to_str()
435 show_spi_transport_period_helper(char *buf, int period) in show_spi_transport_period_helper() argument
437 int len = period_to_str(buf, period); in show_spi_transport_period_helper()
447 int j, picosec, period = -1; in store_spi_transport_period_helper() local
465 period = j; in store_spi_transport_period_helper()
469 if (period == -1) in store_spi_transport_period_helper()
[all …]
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| /Linux-v5.15/Documentation/devicetree/bindings/input/ |
| D | rotary-encoder.txt | 17 - rotary-encoder,steps-per-period: Number of steps (stable states) per period.
19 1: Full-period mode (default)
20 2: Half-period mode
21 4: Quarter-period mode
27 - rotary-encoder,half-period: Makes the driver work on half-period mode.
28 This property is deprecated. Instead, a 'steps-per-period ' value should
29 be used, such as "rotary-encoder,steps-per-period = <2>".
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| /Linux-v5.15/Documentation/RCU/Design/Expedited-Grace-Periods/ |
| D | Expedited-Grace-Periods.rst | 23 grace period.
32 state, the expedited grace period has completed.
43 expedited grace period is shown in the following diagram:
54 Otherwise, the expedited grace period will use
72 block the current expedited grace period until it resumes and finds its
75 the CPU is no longer blocking the grace period.
86 | Why not just have the expedited grace period check the state of all |
116 the handling of a given CPU by an RCU-sched expedited grace period is
153 period. Note that this number never decreases, at least in the
159 beginning of the most recent RCU expedited grace period. The
[all …]
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| /Linux-v5.15/drivers/iio/trigger/ |
| D | iio-trig-hrtimer.c | 29 ktime_t period; member
57 u64 period; in iio_hrtimer_store_sampling_frequency() local
73 period = PSEC_PER_SEC; in iio_hrtimer_store_sampling_frequency()
74 do_div(period, val); in iio_hrtimer_store_sampling_frequency()
75 info->period = period; /* nS */ in iio_hrtimer_store_sampling_frequency()
104 hrtimer_forward_now(timer, info->period); in iio_hrtimer_trig_handler()
117 hrtimer_start(&trig_info->timer, trig_info->period, in iio_trig_hrtimer_set_state()
152 trig_info->period = NSEC_PER_SEC / trig_info->sampling_frequency[0]; in iio_trig_hrtimer_probe()
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| /Linux-v5.15/arch/m68k/amiga/ |
| D | amisound.c | 82 unsigned long period = (clock_constant / hz); in amiga_mksound() local
84 if (period < amiga_audio_min_period) in amiga_mksound()
85 period = amiga_audio_min_period; in amiga_mksound()
86 if (period > MAX_PERIOD) in amiga_mksound()
87 period = MAX_PERIOD; in amiga_mksound()
92 custom.aud[2].audper = (unsigned short)period; in amiga_mksound()
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| /Linux-v5.15/drivers/input/misc/ |
| D | pwm-beeper.c | 23 unsigned long period; member
31 static int pwm_beeper_on(struct pwm_beeper *beeper, unsigned long period) in pwm_beeper_on() argument
39 state.period = period; in pwm_beeper_on()
72 unsigned long period = READ_ONCE(beeper->period); in pwm_beeper_work() local
74 if (period) in pwm_beeper_work()
75 pwm_beeper_on(beeper, period); in pwm_beeper_work()
99 beeper->period = 0; in pwm_beeper_event()
101 beeper->period = HZ_TO_NANOSECONDS(value); in pwm_beeper_event()
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| /Linux-v5.15/drivers/net/wireless/intel/iwlwifi/dvm/ |
| D | power.c | 147 enum iwl_power_level lvl, int period) in iwl_static_sleep_cmd() argument
157 if (period <= IWL_DTIM_RANGE_1_MAX) in iwl_static_sleep_cmd()
159 if (period <= IWL_DTIM_RANGE_0_MAX) in iwl_static_sleep_cmd()
163 if (period <= IWL_DTIM_RANGE_1_MAX) in iwl_static_sleep_cmd()
165 if (period <= IWL_DTIM_RANGE_0_MAX) in iwl_static_sleep_cmd()
174 if (period == 0) { in iwl_static_sleep_cmd()
176 period = 1; in iwl_static_sleep_cmd()
191 cpu_to_le32(period * (skip + 1)); in iwl_static_sleep_cmd()
194 if (slp_itrvl > period) in iwl_static_sleep_cmd()
196 cpu_to_le32((slp_itrvl / period) * period); in iwl_static_sleep_cmd()
[all …]
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| /Linux-v5.15/Documentation/litmus-tests/rcu/ |
| D | RCU+sync+free.litmus | 7 * follows a grace period, if it did not see writes that precede that grace
8 * period.
11 * period assigns a pointer, and the writes following the grace period destroy
14 * This is one implication of the RCU grace-period guarantee, which says (among
15 * other things) that an RCU read-side critical section cannot span a grace period.
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| /Linux-v5.15/drivers/clk/ |
| D | clk-pwm.c | 55 duty->den = state.period; in clk_pwm_get_duty_cycle()
86 if (!pargs.period) { in clk_pwm_probe()
92 clk_pwm->fixed_rate = div64_u64(NSEC_PER_SEC, pargs.period); in clk_pwm_probe()
99 if (pargs.period != NSEC_PER_SEC / clk_pwm->fixed_rate && in clk_pwm_probe()
100 pargs.period != DIV_ROUND_UP(NSEC_PER_SEC, clk_pwm->fixed_rate)) { in clk_pwm_probe()
111 ret = pwm_config(pwm, (pargs.period + 1) >> 1, pargs.period); in clk_pwm_probe()
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