| /linux-6.6.21/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-6.6.21/lib/ |
| D | flex_proportions.c | 42 p->period = 0; in fprop_global_init()
79 p->period += periods; in fprop_new_period()
93 pl->period = 0; in fprop_local_init_single()
105 unsigned int period = p->period; in fprop_reflect_period_single() local
109 if (pl->period == period) in fprop_reflect_period_single()
113 if (pl->period >= period) { in fprop_reflect_period_single()
118 if (period - pl->period < BITS_PER_LONG) in fprop_reflect_period_single()
119 pl->events >>= period - pl->period; in fprop_reflect_period_single()
122 pl->period = period; in fprop_reflect_period_single()
175 pl->period = 0; in fprop_local_init_percpu()
[all …]
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| /linux-6.6.21/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 | 148 pwm->args.period = args->args[1]; in of_pwm_xlate_with_flags()
176 pwm->args.period = args->args[0]; in of_pwm_single_xlate()
418 s2.duty_cycle = s1.period - s1.duty_cycle; in pwm_apply_state_debug()
419 s2.period = s1.period; in pwm_apply_state_debug()
426 state->duty_cycle < state->period) in pwm_apply_state_debug()
431 last->period > s2.period && in pwm_apply_state_debug()
432 last->period <= state->period) in pwm_apply_state_debug()
435 state->period, s2.period, last->period); in pwm_apply_state_debug()
437 if (state->enabled && state->period < s2.period) in pwm_apply_state_debug()
440 state->period, s2.period); in pwm_apply_state_debug()
[all …]
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| D | pwm-ntxec.c | 58 int period, int duty) in ntxec_pwm_set_raw_period_and_duty_cycle() argument
74 { NTXEC_REG_PERIOD_HIGH, ntxec_reg8(period >> 8) }, in ntxec_pwm_set_raw_period_and_duty_cycle()
76 { NTXEC_REG_PERIOD_LOW, ntxec_reg8(period) }, in ntxec_pwm_set_raw_period_and_duty_cycle()
87 unsigned int period, duty; in ntxec_pwm_apply() local
93 period = min_t(u64, state->period, MAX_PERIOD_NS); in ntxec_pwm_apply()
94 duty = min_t(u64, state->duty_cycle, period); in ntxec_pwm_apply()
96 period /= TIME_BASE_NS; in ntxec_pwm_apply()
109 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(tpd, TPU_TGRBn, tpd->period); in tpu_pwm_timer_start()
183 tpd->channel, tpd->duty, tpd->period); in tpu_pwm_timer_start()
226 tpd->period = 0; in tpu_pwm_request()
252 u64 period; in tpu_pwm_config() local
267 period = mul_u64_u64_div_u64(clk_rate, period_ns, NSEC_PER_SEC); in tpu_pwm_config()
281 switch (period) { in tpu_pwm_config()
302 period >>= 2 * prescaler; in tpu_pwm_config()
312 clk_rate, 1 << (2 * prescaler), (u32)period, duty); in tpu_pwm_config()
314 if (tpd->prescaler == prescaler && tpd->period == period) in tpu_pwm_config()
[all …]
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| D | pwm-fsl-ftm.c | 48 struct fsl_pwm_periodcfg period; member
121 rate = clk_get_rate(fpc->clk[fpc->period.clk_select]); in fsl_pwm_ticks_to_ns()
124 do_div(exval, rate >> fpc->period.clk_ps); in fsl_pwm_ticks_to_ns()
191 unsigned int period = fpc->period.mod_period + 1; in fsl_pwm_calculate_duty() local
192 unsigned int period_ns = fsl_pwm_ticks_to_ns(fpc, period); in fsl_pwm_calculate_duty()
194 duty = (unsigned long long)duty_ns * period; in fsl_pwm_calculate_duty()
234 if (!fsl_pwm_calculate_period(fpc, newstate->period, &periodcfg)) { in fsl_pwm_apply_config()
247 else if (!fsl_pwm_periodcfg_are_equal(&fpc->period, &periodcfg)) { in fsl_pwm_apply_config()
254 if (fpc->period.clk_select != periodcfg.clk_select) { in fsl_pwm_apply_config()
256 enum fsl_pwm_clk oldclk = fpc->period.clk_select; in fsl_pwm_apply_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-6.6.21/drivers/iio/common/inv_sensors/ |
| D | inv_sensors_timestamp.c | 53 ts->period = chip->init_period; in inv_sensors_timestamp_init()
61 uint32_t period, bool fifo) in inv_sensors_timestamp_update_odr() argument
67 ts->new_mult = period / ts->chip.clock_period; in inv_sensors_timestamp_update_odr()
73 static bool inv_validate_period(struct inv_sensors_timestamp *ts, uint32_t period, uint32_t mult) in inv_validate_period() argument
80 if (period > period_min && period < period_max) in inv_validate_period()
87 uint32_t mult, uint32_t period) in inv_update_chip_period() argument
91 if (!inv_validate_period(ts, period, mult)) in inv_update_chip_period()
95 new_chip_period = period / mult; in inv_update_chip_period()
97 ts->period = ts->mult * ts->chip_period.val; in inv_update_chip_period()
111 jitter = INV_SENSORS_TIMESTAMP_JITTER((int64_t)ts->period, ts->chip.jitter); in inv_align_timestamp_it()
[all …]
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| /linux-6.6.21/tools/perf/tests/ |
| D | hists_output.c | 54 struct perf_sample sample = { .period = 100, }; in add_hist_entries()
183 !strcmp(SYM(he), "main") && he->stat.period == 200); in test1()
189 !strcmp(SYM(he), "page_fault") && he->stat.period == 100); in test1()
195 !strcmp(SYM(he), "main") && he->stat.period == 100); in test1()
201 !strcmp(SYM(he), "xmalloc") && he->stat.period == 100); in test1()
207 !strcmp(SYM(he), "page_fault") && he->stat.period == 100); in test1()
213 !strcmp(SYM(he), "schedule") && he->stat.period == 100); in test1()
219 !strcmp(SYM(he), "free") && he->stat.period == 100); in test1()
225 !strcmp(SYM(he), "malloc") && he->stat.period == 100); in test1()
231 !strcmp(SYM(he), "cmd_record") && he->stat.period == 100); in test1()
[all …]
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| /linux-6.6.21/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-6.6.21/include/linux/ |
| D | pwm.h | 39 u64 period; member
60 u64 period; member
117 static inline void pwm_set_period(struct pwm_device *pwm, u64 period) in pwm_set_period() argument
120 pwm->state.period = period; in pwm_set_period()
129 return state.period; in pwm_get_period()
190 state->period = args.period; in pwm_init_state()
212 if (!state->period) in pwm_get_relative_duty_cycle()
216 state->period); in pwm_get_relative_duty_cycle()
245 state->period, in pwm_set_relative_duty_cycle()
257 unsigned int period; member
[all …]
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| /linux-6.6.21/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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| /linux-6.6.21/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()
149 period = pdata->period; in timeriomem_rng_probe()
153 priv->period = ns_to_ktime(period * NSEC_PER_USEC); in timeriomem_rng_probe()
172 priv->io_base, period); in timeriomem_rng_probe()
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| /linux-6.6.21/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-6.6.21/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-6.6.21/drivers/scsi/ |
| D | scsi_transport_spi.c | 412 static int period_to_str(char *buf, int period) in period_to_str() argument
416 if (period < 0 || period > 0xff) { in period_to_str()
418 } else if (period <= SPI_STATIC_PPR) { in period_to_str()
419 picosec = ppr_to_ps[period]; in period_to_str()
421 picosec = period * 4000; in period_to_str()
434 show_spi_transport_period_helper(char *buf, int period) in show_spi_transport_period_helper() argument
436 int len = period_to_str(buf, period); in show_spi_transport_period_helper()
446 int j, picosec, period = -1; in store_spi_transport_period_helper() local
464 period = j; in store_spi_transport_period_helper()
468 if (period == -1) in store_spi_transport_period_helper()
[all …]
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| /linux-6.6.21/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-6.6.21/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-6.6.21/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-6.6.21/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-6.6.21/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-6.6.21/drivers/net/wireless/intel/iwlwifi/dvm/ |
| D | power.c | 143 enum iwl_power_level lvl, int period) in iwl_static_sleep_cmd() argument
153 if (period <= IWL_DTIM_RANGE_1_MAX) in iwl_static_sleep_cmd()
155 if (period <= IWL_DTIM_RANGE_0_MAX) in iwl_static_sleep_cmd()
159 if (period <= IWL_DTIM_RANGE_1_MAX) in iwl_static_sleep_cmd()
161 if (period <= IWL_DTIM_RANGE_0_MAX) in iwl_static_sleep_cmd()
170 if (period == 0) { in iwl_static_sleep_cmd()
172 period = 1; in iwl_static_sleep_cmd()
187 cpu_to_le32(period * (skip + 1)); in iwl_static_sleep_cmd()
190 if (slp_itrvl > period) in iwl_static_sleep_cmd()
192 cpu_to_le32((slp_itrvl / period) * period); in iwl_static_sleep_cmd()
[all …]
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| /linux-6.6.21/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-6.6.21/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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