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/linux/arch/arm64/boot/dts/allwinner/
H A Dsun50i-h616-cpu-opp.dtsi13 clock-latency-ns = <244144>; /* 8 32k periods */
20 clock-latency-ns = <244144>; /* 8 32k periods */
27 clock-latency-ns = <244144>; /* 8 32k periods */
35 clock-latency-ns = <244144>; /* 8 32k periods */
42 clock-latency-ns = <244144>; /* 8 32k periods */
54 clock-latency-ns = <244144>; /* 8 32k periods */
61 clock-latency-ns = <244144>; /* 8 32k periods */
71 clock-latency-ns = <244144>; /* 8 32k periods */
83 clock-latency-ns = <244144>; /* 8 32k periods */
90 clock-latency-ns = <244144>; /* 8 32k periods */
[all …]
H A 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 */
H A 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 */
H A 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 */
H A Dsun50i-a100-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 */
/linux/tools/testing/selftests/alsa/
H A Dpcm-test.conf2 description "8kHz mono large periods"
11 description "8kHz stereo large periods"
20 description "44.1kHz stereo large periods"
29 description "48kHz stereo small periods"
38 description "48kHz stereo large periods"
47 description "48kHz 6 channel large periods"
56 description "96kHz stereo large periods"
/linux/Documentation/devicetree/bindings/sound/
H A 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/Documentation/RCU/Design/Expedited-Grace-Periods/
H A 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/lib/
H A 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
76 if (periods < 64) in fprop_new_period()
77 events -= events >> periods; in fprop_new_period()
80 p->period += periods; in fprop_new_period()
/linux/arch/arm/boot/dts/allwinner/
H A 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 …]
H A 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/sound/soc/au1x/
H A 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()
/linux/kernel/sched/
H A Dpelt.c58 static u32 __accumulate_pelt_segments(u64 periods, u32 d1, u32 d3) in __accumulate_pelt_segments() argument
65 c1 = decay_load((u64)d1, periods); in __accumulate_pelt_segments()
76 c2 = LOAD_AVG_MAX - decay_load(LOAD_AVG_MAX, periods) - 1024; in __accumulate_pelt_segments()
83 * of the last (incomplete) period, d2 the span of full periods and d3
107 u64 periods; in accumulate_sum() local
110 periods = delta / 1024; /* A period is 1024us (~1ms) */ in accumulate_sum()
115 if (periods) { in accumulate_sum()
116 sa->load_sum = decay_load(sa->load_sum, periods); in accumulate_sum()
118 decay_load(sa->runnable_sum, periods); in accumulate_sum()
119 sa->util_sum = decay_load((u64)(sa->util_sum), periods); in accumulate_sum()
[all …]
/linux/include/linux/
H A Drcupdate_wait.h39 * synchronize_rcu_mult - Wait concurrently for multiple grace periods
40 * @...: List of call_rcu() functions for different grace periods to wait on
42 * This macro waits concurrently for multiple types of RCU grace periods.
44 * on concurrent RCU and RCU-tasks grace periods. Waiting on a given SRCU
/linux/sound/virtio/
H A 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 = kzalloc_objs(*vss->msgs, periods); 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()
/linux/drivers/media/pci/solo6x10/
H A 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,
317 G723_PERIOD_BYTES * PERIODS, in solo_snd_pcm_init()
318 G723_PERIOD_BYTES * PERIODS); in solo_snd_pcm_init()
/linux/drivers/pwm/
H A Dpwm-dwc-core.c49 * periods and check are the result within HW limits between 1 and in __dwc_pwm_configure_timer()
50 * 2^32 periods. in __dwc_pwm_configure_timer()
75 * multiple of input clock periods: in __dwc_pwm_configure_timer()
85 * periods are set by Load Count registers. in __dwc_pwm_configure_timer()
/linux/drivers/dma/xilinx/
H A Dxdma.c91 * @periods: Number of periods in the cyclic transfer
106 u32 periods; member
668 unsigned int periods = size / period_size; in xdma_prep_dma_cyclic() local
677 * periods and periods size. in xdma_prep_dma_cyclic()
684 if (periods > XDMA_DESC_ADJACENT) { in xdma_prep_dma_cyclic()
685 xdma_err(xdev, "number of periods limited to %u\n", XDMA_DESC_ADJACENT); in xdma_prep_dma_cyclic()
689 sw_desc = xdma_alloc_desc(xdma_chan, periods, true); in xdma_prep_dma_cyclic()
693 sw_desc->periods = periods; in xdma_prep_dma_cyclic()
710 for (i = 0; i < periods; i++) { in xdma_prep_dma_cyclic()
755 sw_desc->periods = xt->numf; in xdma_prep_interleaved_dma()
[all …]
/linux/sound/soc/fsl/
H A 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/tools/rcu/
H A Drcu-updaters.sh5 # initiate RCU grace periods. The count associated with rcu_gp_init()
6 # is the number of normal (non-expedited) grace periods.
/linux/drivers/watchdog/
H A Dwdat_wdt.c279 unsigned int periods; in wdat_wdt_set_timeout() local
282 periods = timeout * 1000 / wdat->period; in wdat_wdt_set_timeout()
283 ret = wdat_wdt_run_action(wdat, ACPI_WDAT_SET_COUNTDOWN, periods, NULL); in wdat_wdt_set_timeout()
292 u32 periods = 0; in wdat_wdt_get_timeleft() local
294 wdat_wdt_run_action(wdat, ACPI_WDAT_GET_CURRENT_COUNTDOWN, 0, &periods); in wdat_wdt_get_timeleft()
295 return periods * wdat->period / 1000; in wdat_wdt_get_timeleft()
H A Docteon-wdt-main.c34 * and decrement the counter. But for the last two periods we need to
427 unsigned int periods; in octeon_wdt_calc_parameters() local
439 periods = t / timeout_sec; in octeon_wdt_calc_parameters()
442 * The last two periods are after the irq is disabled, and in octeon_wdt_calc_parameters()
446 countdown_reset = periods > 2 ? periods - 2 : 0; in octeon_wdt_calc_parameters()
/linux/sound/soc/spear/
H A Dspear_pcm.c27 .periods_min = 1, /* min # periods */
28 .periods_max = 8, /* max # of periods */
/linux/include/sound/
H A Dpcm_oss.h19 unsigned int periods; member
38 unsigned int periods; member
/linux/Documentation/RCU/Design/Data-Structures/
H A DData-Structures.rst20 to execute extremely quickly, while also processing the RCU grace periods
46 grace periods are completed at the tree's root ``rcu_node``
121 RCU updaters wait for normal grace periods by registering RCU callbacks,
155 ``rcu_node`` and ``rcu_data`` structures, tracks grace periods,
159 states when grace periods extend too long,
198 periods, contains the lock used to synchronize with CPU-hotplug events,
199 and maintains state used to force quiescent states when grace periods
241 periods.
274 RCU grace periods are numbered, and the ``->gp_seq`` field contains the
285 in order to detect the beginnings and ends of grace periods in a
[all …]

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