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/Linux-v5.15/arch/arm64/boot/dts/allwinner/
Dsun50i-h5-cpu-opp.dtsi12 clock-latency-ns = <244144>; /* 8 32k periods */
18 clock-latency-ns = <244144>; /* 8 32k periods */
24 clock-latency-ns = <244144>; /* 8 32k periods */
30 clock-latency-ns = <244144>; /* 8 32k periods */
36 clock-latency-ns = <244144>; /* 8 32k periods */
42 clock-latency-ns = <244144>; /* 8 32k periods */
48 clock-latency-ns = <244144>; /* 8 32k periods */
54 clock-latency-ns = <244144>; /* 8 32k periods */
60 clock-latency-ns = <244144>; /* 8 32k periods */
Dsun50i-a64-cpu-opp.dtsi14 clock-latency-ns = <244144>; /* 8 32k periods */
20 clock-latency-ns = <244144>; /* 8 32k periods */
26 clock-latency-ns = <244144>; /* 8 32k periods */
32 clock-latency-ns = <244144>; /* 8 32k periods */
38 clock-latency-ns = <244144>; /* 8 32k periods */
44 clock-latency-ns = <244144>; /* 8 32k periods */
50 clock-latency-ns = <244144>; /* 8 32k periods */
56 clock-latency-ns = <244144>; /* 8 32k periods */
Dsun50i-h6-cpu-opp.dtsi12 clock-latency-ns = <244144>; /* 8 32k periods */
21 clock-latency-ns = <244144>; /* 8 32k periods */
30 clock-latency-ns = <244144>; /* 8 32k periods */
39 clock-latency-ns = <244144>; /* 8 32k periods */
48 clock-latency-ns = <244144>; /* 8 32k periods */
57 clock-latency-ns = <244144>; /* 8 32k periods */
66 clock-latency-ns = <244144>; /* 8 32k periods */
75 clock-latency-ns = <244144>; /* 8 32k periods */
84 clock-latency-ns = <244144>; /* 8 32k periods */
93 clock-latency-ns = <244144>; /* 8 32k periods */
Dsun50i-h5.dtsi19 clock-latency-ns = <244144>; /* 8 32k periods */
29 clock-latency-ns = <244144>; /* 8 32k periods */
39 clock-latency-ns = <244144>; /* 8 32k periods */
49 clock-latency-ns = <244144>; /* 8 32k periods */
/Linux-v5.15/Documentation/devicetree/bindings/opp/
Dallwinner,sun50i-h6-operating-points.yaml72 clock-latency-ns = <244144>; /* 8 32k periods */
81 clock-latency-ns = <244144>; /* 8 32k periods */
90 clock-latency-ns = <244144>; /* 8 32k periods */
99 clock-latency-ns = <244144>; /* 8 32k periods */
108 clock-latency-ns = <244144>; /* 8 32k periods */
117 clock-latency-ns = <244144>; /* 8 32k periods */
126 clock-latency-ns = <244144>; /* 8 32k periods */
/Linux-v5.15/Documentation/devicetree/bindings/sound/
Dcs35l33.txt57 cirrus,release-rate : The number of consecutive LRCLK periods before
58 allowing release condition tracking updates. The number of LRCLK periods
83 - cirrus,vp-hg-rate : The rate (number of LRCLK periods) at which the VPhg is
86 periods, 2048 periods, 32768 periods, and 524288 periods.
87 The default is 32768 periods.
/Linux-v5.15/Documentation/RCU/Design/Expedited-Grace-Periods/
DExpedited-Grace-Periods.rst2 A Tour Through TREE_RCU's Expedited Grace Periods
8 This document describes RCU's expedited grace periods.
9 Unlike RCU's normal grace periods, which accept long latencies to attain
10 high efficiency and minimal disturbance, expedited grace periods accept
20 The expedited RCU grace periods cannot be accused of being subtle,
38 RCU-preempt Expedited Grace Periods
112 RCU-sched Expedited Grace Periods
140 The expedited nature of expedited grace periods require a much tighter
142 grace periods. In addition, attempting to IPI offline CPUs will result
144 periods. Neither option is acceptable in production kernels.
[all …]
/Linux-v5.15/arch/arm/boot/dts/
Dsun8i-a33.dtsi56 clock-latency-ns = <244144>; /* 8 32k periods */
62 clock-latency-ns = <244144>; /* 8 32k periods */
68 clock-latency-ns = <244144>; /* 8 32k periods */
74 clock-latency-ns = <244144>; /* 8 32k periods */
80 clock-latency-ns = <244144>; /* 8 32k periods */
86 clock-latency-ns = <244144>; /* 8 32k periods */
92 clock-latency-ns = <244144>; /* 8 32k periods */
98 clock-latency-ns = <244144>; /* 8 32k periods */
104 clock-latency-ns = <244144>; /* 8 32k periods */
110 clock-latency-ns = <244144>; /* 8 32k periods */
[all …]
Dsun8i-a83t.dtsi210 clock-latency-ns = <244144>; /* 8 32k periods */
216 clock-latency-ns = <244144>; /* 8 32k periods */
222 clock-latency-ns = <244144>; /* 8 32k periods */
228 clock-latency-ns = <244144>; /* 8 32k periods */
234 clock-latency-ns = <244144>; /* 8 32k periods */
240 clock-latency-ns = <244144>; /* 8 32k periods */
246 clock-latency-ns = <244144>; /* 8 32k periods */
252 clock-latency-ns = <244144>; /* 8 32k periods */
263 clock-latency-ns = <244144>; /* 8 32k periods */
269 clock-latency-ns = <244144>; /* 8 32k periods */
[all …]
/Linux-v5.15/sound/virtio/
Dvirtio_pcm_msg.c123 * @periods: Current number of periods.
126 * The function slices the buffer into @periods parts (each with the size of
127 * @period_bytes), and creates @periods corresponding I/O messages.
133 unsigned int periods, unsigned int period_bytes) in virtsnd_pcm_msg_alloc() argument
138 vss->msgs = kcalloc(periods, sizeof(*vss->msgs), GFP_KERNEL); in virtsnd_pcm_msg_alloc()
142 vss->nmsgs = periods; in virtsnd_pcm_msg_alloc()
144 for (i = 0; i < periods; ++i) { in virtsnd_pcm_msg_alloc()
212 i = (vss->msg_last_enqueued + 1) % runtime->periods; in virtsnd_pcm_msg_send()
213 n = runtime->periods - vss->msg_count; in virtsnd_pcm_msg_send()
215 for (; n; --n, i = (i + 1) % runtime->periods) { in virtsnd_pcm_msg_send()
/Linux-v5.15/sound/pci/cs5535audio/
Dcs5535audio_pcm.c109 unsigned int periods, in cs5535audio_build_dma_packets() argument
116 if (periods > CS5535AUDIO_MAX_DESCRIPTORS) in cs5535audio_build_dma_packets()
125 dma->period_bytes = dma->periods = 0; in cs5535audio_build_dma_packets()
128 if (dma->periods == periods && dma->period_bytes == period_bytes) in cs5535audio_build_dma_packets()
135 for (i = 0; i < periods; i++) { in cs5535audio_build_dma_packets()
145 lastdesc = &((struct cs5535audio_dma_desc *) dma->desc_buf.area)[periods]; in cs5535audio_build_dma_packets()
150 sizeof(struct cs5535audio_dma_desc) * periods; in cs5535audio_build_dma_packets()
154 dma->periods = periods; in cs5535audio_build_dma_packets()
/Linux-v5.15/include/linux/
Drcupdate_wait.h35 * synchronize_rcu_mult - Wait concurrently for multiple grace periods
36 * @...: List of call_rcu() functions for different grace periods to wait on
38 * This macro waits concurrently for multiple types of RCU grace periods.
40 * on concurrent RCU and RCU-tasks grace periods. Waiting on a given SRCU
/Linux-v5.15/kernel/sched/
Dpelt.c61 static u32 __accumulate_pelt_segments(u64 periods, u32 d1, u32 d3) in __accumulate_pelt_segments() argument
68 c1 = decay_load((u64)d1, periods); in __accumulate_pelt_segments()
79 c2 = LOAD_AVG_MAX - decay_load(LOAD_AVG_MAX, periods) - 1024; in __accumulate_pelt_segments()
86 * of the last (incomplete) period, d2 the span of full periods and d3
110 u64 periods; in accumulate_sum() local
113 periods = delta / 1024; /* A period is 1024us (~1ms) */ in accumulate_sum()
118 if (periods) { in accumulate_sum()
119 sa->load_sum = decay_load(sa->load_sum, periods); in accumulate_sum()
121 decay_load(sa->runnable_sum, periods); in accumulate_sum()
122 sa->util_sum = decay_load((u64)(sa->util_sum), periods); in accumulate_sum()
[all …]
/Linux-v5.15/sound/soc/au1x/
Ddma.c38 unsigned int periods; member
51 stream->periods = 0; in au1000_release_dma_link()
65 unsigned int periods) in au1000_setup_dma_link() argument
76 stream->periods == periods) in au1000_setup_dma_link()
82 stream->periods = periods; in au1000_setup_dma_link()
88 for (i = 0; i < periods; i++) { in au1000_setup_dma_link()
91 if (i < periods - 1) { in au1000_setup_dma_link()
Ddbdma2.c52 unsigned long periods; /* number of SG segments in total */ member
86 if (cd->q_period >= cd->periods) { in au1x_pcm_queue_tx()
100 if (cd->q_period >= cd->periods) { in au1x_pcm_queue_rx()
111 if (++cd->curr_period >= cd->periods) { in au1x_pcm_dmatx_cb()
124 if (++cd->curr_period >= cd->periods) { in au1x_pcm_dmarx_cb()
220 pcd->periods = params_periods(params); in au1xpsc_pcm_hw_params()
/Linux-v5.15/lib/
Dflex_proportions.c43 /* Use 1 to avoid dealing with periods with 0 events... */ in fprop_global_init()
57 * Declare @periods new periods. It is upto the caller to make sure period
62 * further periods has any effect.
64 bool fprop_new_period(struct fprop_global *p, int periods) in fprop_new_period() argument
79 if (periods < 64) in fprop_new_period()
80 events -= events >> periods; in fprop_new_period()
83 p->period += periods; in fprop_new_period()
/Linux-v5.15/drivers/media/rc/
Dir-spi.c45 unsigned int periods; in ir_spi_tx() local
49 periods = DIV_ROUND_CLOSEST(buffer[i] * idata->freq, 1000000); in ir_spi_tx()
51 if (len + periods >= IR_SPI_MAX_BUFSIZE) in ir_spi_tx()
60 for (j = 0; j < periods; j++) in ir_spi_tx()
/Linux-v5.15/drivers/pwm/
Dpwm-dwc.c13 * periods are one or more input clock periods long.
95 * periods and check are the result within HW limits between 1 and in __dwc_pwm_configure_timer()
96 * 2^32 periods. in __dwc_pwm_configure_timer()
121 * multiple of input clock periods: in __dwc_pwm_configure_timer()
131 * periods are set by Load Count registers. in __dwc_pwm_configure_timer()
/Linux-v5.15/drivers/media/pci/solo6x10/
Dsolo6x10-g723.c42 #define PERIODS G723_FDMA_PAGES macro
111 .buffer_bytes_max = G723_PERIOD_BYTES * PERIODS,
114 .periods_min = PERIODS,
115 .periods_max = PERIODS,
344 G723_PERIOD_BYTES * PERIODS, in solo_snd_pcm_init()
345 G723_PERIOD_BYTES * PERIODS); in solo_snd_pcm_init()
/Linux-v5.15/Documentation/RCU/
Dindex.rst29 Design/Expedited-Grace-Periods/Expedited-Grace-Periods
Dstallwarn.rst60 RCU grace periods from ever completing. Either way, the
130 periods. This module parameter enables CPU stall detection by default,
211 the RCU core for the past three grace periods. In contrast, CPU 16's "(0
336 Stall Warnings for Expedited Grace Periods
345 The three periods (".") following the CPU number indicate that the CPU
361 As with normal grace periods, PREEMPT_RCU builds can be stalled by
366 expedited grace periods at about the same time during the same run.
/Linux-v5.15/sound/soc/fsl/
Dimx-pcm-fiq.c35 int periods; member
79 iprtd->periods = params_periods(params); in snd_imx_pcm_hw_params()
97 regs.ARM_r8 = (iprtd->period * iprtd->periods - 1) << 16; in snd_imx_pcm_prepare()
99 regs.ARM_r9 = (iprtd->period * iprtd->periods - 1) << 16; in snd_imx_pcm_prepare()
/Linux-v5.15/Documentation/scheduler/
Dsched-bwc.rst130 in previous periods. This burst amount will not be transferred between cores.
138 portion of a slice to remain valid across periods we have decreased the
146 will use up to 1ms additional quota in some periods, thereby preventing the
151 periods when the interactive application idles.
/Linux-v5.15/sound/soc/spear/
Dspear_pcm.c30 .periods_min = 1, /* min # periods */
31 .periods_max = 8, /* max # of periods */
/Linux-v5.15/include/sound/
Dpcm_oss.h19 unsigned int periods; member
38 unsigned int periods; member

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