| /linux-6.6.21/drivers/cpuidle/ |
| D | dt_idle_genpd.c | 26 struct genpd_power_state *states, int state_count) in pd_parse_state_nodes() argument
32 ret = parse_state(to_of_node(states[i].fwnode), &state); in pd_parse_state_nodes()
42 states[i].data = state_buf; in pd_parse_state_nodes()
50 kfree(states[i].data); in pd_parse_state_nodes()
56 struct genpd_power_state **states, in pd_parse_states() argument
62 ret = of_genpd_parse_idle_states(np, states, state_count); in pd_parse_states()
67 ret = pd_parse_state_nodes(parse_state, *states, *state_count); in pd_parse_states()
69 kfree(*states); in pd_parse_states()
74 static void pd_free_states(struct genpd_power_state *states, in pd_free_states() argument
80 kfree(states[i].data); in pd_free_states()
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| D | cpuidle-riscv-sbi.c | 32 u32 *states; member
99 u32 *states = __this_cpu_read(sbi_cpuidle_data.states); in sbi_cpuidle_enter_state() local
100 u32 state = states[idx]; in sbi_cpuidle_enter_state()
114 u32 *states = data->states; in __sbi_enter_domain_idle_state() local
134 state = states[idx]; in __sbi_enter_domain_idle_state()
254 drv->states[state_count - 1].flags |= CPUIDLE_FLAG_RCU_IDLE; in sbi_dt_cpu_init_topology()
255 drv->states[state_count - 1].enter = sbi_enter_domain_idle_state; in sbi_dt_cpu_init_topology()
256 drv->states[state_count - 1].enter_s2idle = in sbi_dt_cpu_init_topology()
271 u32 *states; in sbi_cpuidle_dt_init_states() local
278 states = devm_kcalloc(dev, state_count, sizeof(*states), GFP_KERNEL); in sbi_cpuidle_dt_init_states()
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| D | cpuidle-mvebu-v7.c | 36 if (drv->states[index].flags & MVEBU_V7_FLAG_DEEP_IDLE) in mvebu_v7_enter_idle()
53 .states[0] = ARM_CPUIDLE_WFI_STATE,
54 .states[1] = {
63 .states[2] = {
77 .states[0] = ARM_CPUIDLE_WFI_STATE,
78 .states[1] = {
92 .states[0] = ARM_CPUIDLE_WFI_STATE,
93 .states[1] = {
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| D | cpuidle-psci.c | 56 u32 *states = data->psci_states; in __psci_enter_domain_idle_state() local
73 state = states[idx]; in __psci_enter_domain_idle_state()
236 drv->states[state_count - 1].flags |= CPUIDLE_FLAG_RCU_IDLE; in psci_dt_cpu_init_topology()
237 drv->states[state_count - 1].enter = psci_enter_domain_idle_state; in psci_dt_cpu_init_topology()
238 drv->states[state_count - 1].enter_s2idle = psci_enter_s2idle_domain_idle_state; in psci_dt_cpu_init_topology()
353 drv->states[0].enter = psci_enter_idle_state; in psci_idle_init_cpu()
354 drv->states[0].exit_latency = 1; in psci_idle_init_cpu()
355 drv->states[0].target_residency = 1; in psci_idle_init_cpu()
356 drv->states[0].power_usage = UINT_MAX; in psci_idle_init_cpu()
357 strcpy(drv->states[0].name, "WFI"); in psci_idle_init_cpu()
[all …]
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| /linux-6.6.21/drivers/regulator/ |
| D | gpio-regulator.c | 39 struct gpio_regulator_state *states; member
51 if (data->states[ptr].gpios == data->state) in gpio_regulator_get_value()
52 return data->states[ptr].value; in gpio_regulator_get_value()
65 if (data->states[ptr].value < best_val && in gpio_regulator_set_voltage()
66 data->states[ptr].value >= min_uV && in gpio_regulator_set_voltage()
67 data->states[ptr].value <= max_uV) { in gpio_regulator_set_voltage()
68 target = data->states[ptr].gpios; in gpio_regulator_set_voltage()
69 best_val = data->states[ptr].value; in gpio_regulator_set_voltage()
94 return data->states[selector].value; in gpio_regulator_list_voltage()
104 if (data->states[ptr].value > best_val && in gpio_regulator_set_current_limit()
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| D | irq_helpers.c | 107 stat = &rid->states[i]; in regulator_notifier_isr_work()
132 stat = &rid->states[i]; in regulator_notifier_isr_work()
214 rdev = rid->states[i].rdev; in regulator_notifier_isr()
240 stat = &rid->states[i]; in regulator_notifier_isr()
286 h->rdata.states = devm_kzalloc(dev, sizeof(*h->rdata.states) * in init_rdev_state()
288 if (!h->rdata.states) in init_rdev_state()
295 h->rdata.states[i].possible_errs = common_err; in init_rdev_state()
297 h->rdata.states[i].possible_errs |= *rdev_err++; in init_rdev_state()
298 h->rdata.states[i].rdev = *rdev++; in init_rdev_state()
309 if (h->rdata.states[i].possible_errs) in init_rdev_errors()
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| /linux-6.6.21/drivers/cpuidle/governors/ |
| D | ladder.c | 40 struct ladder_device_state states[CPUIDLE_STATE_MAX]; member
55 ldev->states[old_idx].stats.promotion_count = 0; in ladder_do_selection()
56 ldev->states[old_idx].stats.demotion_count = 0; in ladder_do_selection()
72 int first_idx = drv->states[0].flags & CPUIDLE_FLAG_POLLING ? 1 : 0; in ladder_select_state()
82 last_state = &ldev->states[last_idx]; in ladder_select_state()
84 last_residency = dev->last_residency_ns - drv->states[last_idx].exit_latency_ns; in ladder_select_state()
90 drv->states[last_idx + 1].exit_latency_ns <= latency_req) { in ladder_select_state()
102 drv->states[last_idx].exit_latency_ns > latency_req)) { in ladder_select_state()
106 if (drv->states[i].exit_latency_ns <= latency_req) in ladder_select_state()
136 int first_idx = drv->states[0].flags & CPUIDLE_FLAG_POLLING ? 1 : 0; in ladder_enable_device()
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| D | teo.c | 243 u64 lat_ns = drv->states[dev->last_state_idx].exit_latency_ns; in teo_update()
280 target_residency_ns = drv->states[i].target_residency_ns; in teo_update()
338 drv->states[i].target_residency_ns >= TICK_NSEC; in teo_state_ok()
357 (no_poll && drv->states[i].flags & CPUIDLE_FLAG_POLLING)) in teo_find_shallower_state()
361 if (drv->states[i].target_residency_ns <= duration_ns) in teo_find_shallower_state()
429 if ((!idx && !(drv->states[0].flags & CPUIDLE_FLAG_POLLING) && in teo_select()
436 duration_ns = drv->states[1].target_residency_ns; in teo_select()
443 struct cpuidle_state *s = &drv->states[i]; in teo_select()
481 duration_ns = drv->states[idx].target_residency_ns; in teo_select()
587 if ((drv->states[0].flags & CPUIDLE_FLAG_POLLING) && in teo_select()
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| D | menu.c | 315 ((data->next_timer_ns < drv->states[1].target_residency_ns || in menu_select()
316 latency_req < drv->states[1].exit_latency_ns) && in menu_select()
323 *stop_tick = !(drv->states[0].flags & CPUIDLE_FLAG_POLLING); in menu_select()
355 struct cpuidle_state *s = &drv->states[i]; in menu_select()
368 if ((drv->states[idx].flags & CPUIDLE_FLAG_POLLING) && in menu_select()
385 predicted_ns = drv->states[idx].target_residency_ns; in menu_select()
395 if (drv->states[idx].target_residency_ns < TICK_NSEC && in menu_select()
414 if (((drv->states[idx].flags & CPUIDLE_FLAG_POLLING) || in menu_select()
418 if (idx > 0 && drv->states[idx].target_residency_ns > delta_tick) { in menu_select()
430 if (drv->states[i].target_residency_ns <= delta_tick) in menu_select()
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| /linux-6.6.21/Documentation/devicetree/bindings/cpu/ |
| D | idle-states.yaml | 4 $id: http://devicetree.org/schemas/cpu/idle-states.yaml#
7 title: Idle states
19 dynamically, where cores can be put in different low-power states (ranging
20 from simple wfi to power gating) according to OS PM policies. The CPU states
21 representing the range of dynamic idle states that a processor can enter at
23 parameters required to enter/exit specific idle states on a given processor.
26 2 - ARM idle states
30 power states an ARM CPU can be put into are identified by the following list:
38 The power states described in the SBSA document define the basic CPU states on
40 PM implementation to put the processor in different idle states (which include
[all …]
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| /linux-6.6.21/tools/verification/dot2/ |
| D | automata.py | 26 self.states, self.initial_state, self.final_states = self.__get_state_variables()
80 states = []
96 states.append(state)
107 states = sorted(set(states))
108 states.remove(initial_state)
111 states.insert(0, initial_state)
116 return states, initial_state, final_states
145 states = self.states
154 for state in states:
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| D | dot2c.py | 41 for state in self.states:
89 if self.states.__len__() > 255:
92 if self.states.__len__() > 65535:
95 if self.states.__len__() > 1000000:
96 raise Exception("Too many states: %d" % self.states.__len__())
134 return self.__get_string_vector_per_line_content(self.states)
152 max_state_name = max(self.states, key = len).__len__()
160 nr_states = self.states.__len__()
202 for state in self.states:
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| /linux-6.6.21/Documentation/admin-guide/pm/ |
| D | intel_idle.rst | 28 processor's functional blocks into low-power states. That instruction takes two
42 .. _intel-idle-enumeration-of-states:
50 as C-states (in the ACPI terminology) or idle states. The list of meaningful
51 ``MWAIT`` hint values and idle states (i.e. low-power configurations of the
55 In order to create a list of available idle states required by the ``CPUIdle``
56 subsystem (see :ref:`idle-states-representation` in
58 ``intel_idle`` can use two sources of information: static tables of idle states
69 states, ``intel_idle`` first looks for a ``_CST`` object under one of the ACPI
72 ``CPUIdle`` subsystem expects that the list of idle states supplied by the
76 state description and such that all of the idle states included in its return
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| D | strategies.rst | 15 One of them is based on using global low-power states of the whole system in
17 significantly reduced, referred to as :doc:`sleep states <sleep-states>`. The
18 kernel puts the system into one of these states when requested by user space
21 user space code can run. Because sleep states are global and the whole system
26 <working-state>`, is based on adjusting the power states of individual hardware
30 a metastate covering a range of different power states of the system in which
32 ``inactive`` (idle). If they are active, they have to be in power states
34 are inactive, ideally, they should be in low-power states in which they may not
43 for the same system in a sleep state. However, transitions from sleep states
47 sleep states than when they are runtime idle most of the time.
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| /linux-6.6.21/sound/usb/misc/ |
| D | ua101.c | 90 unsigned long states; member
158 if (test_and_clear_bit(USB_CAPTURE_RUNNING, &ua->states)) { in abort_usb_capture()
166 if (test_and_clear_bit(USB_PLAYBACK_RUNNING, &ua->states)) in abort_usb_playback()
185 if (test_bit(USB_PLAYBACK_RUNNING, &ua->states)) { in playback_urb_complete()
205 set_bit(PLAYBACK_URB_COMPLETED, &ua->states); in first_playback_urb_complete()
258 if (unlikely(!test_bit(USB_PLAYBACK_RUNNING, &ua->states))) in playback_work()
288 if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states)) in playback_work()
369 if (frames > 0 && test_bit(ALSA_CAPTURE_RUNNING, &ua->states)) in capture_urb_complete()
374 if (test_bit(USB_CAPTURE_RUNNING, &ua->states)) { in capture_urb_complete()
401 if (test_bit(USB_PLAYBACK_RUNNING, &ua->states) && in capture_urb_complete()
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| /linux-6.6.21/drivers/cpufreq/ |
| D | ia64-acpi-cpufreq.c | 97 if (value == data->acpi_data.states[i].status) in extract_clock()
98 return data->acpi_data.states[i].core_frequency; in extract_clock()
100 return data->acpi_data.states[i-1].core_frequency; in extract_clock()
159 value = (u32) data->acpi_data.states[state].control; in processor_set_freq()
254 if ((data->acpi_data.states[i].transition_latency * 1000) > in acpi_cpufreq_cpu_init()
257 data->acpi_data.states[i].transition_latency * 1000; in acpi_cpufreq_cpu_init()
266 data->acpi_data.states[i].core_frequency * 1000; in acpi_cpufreq_cpu_init()
282 (u32) data->acpi_data.states[i].core_frequency, in acpi_cpufreq_cpu_init()
283 (u32) data->acpi_data.states[i].power, in acpi_cpufreq_cpu_init()
284 (u32) data->acpi_data.states[i].transition_latency, in acpi_cpufreq_cpu_init()
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| /linux-6.6.21/Documentation/admin-guide/blockdev/drbd/ |
| D | figures.rst | 20 .. kernel-figure:: conn-states-8.dot
21 :alt: conn-states-8.dot
24 .. kernel-figure:: disk-states-8.dot
25 :alt: disk-states-8.dot
28 .. kernel-figure:: peer-states-8.dot
29 :alt: peer-states-8.dot
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| /linux-6.6.21/arch/arm64/boot/dts/qcom/ |
| D | sc7180-firmware-tfa.dtsi | 13 cpu-idle-states = <&LITTLE_CPU_SLEEP_0
22 cpu-idle-states = <&LITTLE_CPU_SLEEP_0
31 cpu-idle-states = <&LITTLE_CPU_SLEEP_0
40 cpu-idle-states = <&LITTLE_CPU_SLEEP_0
49 cpu-idle-states = <&LITTLE_CPU_SLEEP_0
58 cpu-idle-states = <&LITTLE_CPU_SLEEP_0
67 cpu-idle-states = <&BIG_CPU_SLEEP_0
76 cpu-idle-states = <&BIG_CPU_SLEEP_0
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| /linux-6.6.21/drivers/acpi/ |
| D | processor_idle.c | 168 return cx - pr->power.states >= pr->power.timer_broadcast_on_state; in lapic_timer_needs_broadcast()
218 pr->power.states[ACPI_STATE_C2].type = ACPI_STATE_C2; in acpi_processor_get_power_info_fadt()
219 pr->power.states[ACPI_STATE_C3].type = ACPI_STATE_C3; in acpi_processor_get_power_info_fadt()
232 pr->power.states[ACPI_STATE_C2].address = pr->pblk + 4; in acpi_processor_get_power_info_fadt()
233 pr->power.states[ACPI_STATE_C3].address = pr->pblk + 5; in acpi_processor_get_power_info_fadt()
236 pr->power.states[ACPI_STATE_C2].latency = acpi_gbl_FADT.c2_latency; in acpi_processor_get_power_info_fadt()
237 pr->power.states[ACPI_STATE_C3].latency = acpi_gbl_FADT.c3_latency; in acpi_processor_get_power_info_fadt()
247 pr->power.states[ACPI_STATE_C2].address = 0; in acpi_processor_get_power_info_fadt()
258 pr->power.states[ACPI_STATE_C3].address = 0; in acpi_processor_get_power_info_fadt()
262 pr->power.states[ACPI_STATE_C2].address, in acpi_processor_get_power_info_fadt()
[all …]
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| /linux-6.6.21/drivers/gpu/drm/ |
| D | drm_blend.c | 448 struct drm_plane_state **states; in drm_atomic_helper_crtc_normalize_zpos() local
456 states = kmalloc_array(total_planes, sizeof(*states), GFP_KERNEL); in drm_atomic_helper_crtc_normalize_zpos()
457 if (!states) in drm_atomic_helper_crtc_normalize_zpos()
471 states[n++] = plane_state; in drm_atomic_helper_crtc_normalize_zpos()
476 sort(states, n, sizeof(*states), drm_atomic_state_zpos_cmp, NULL); in drm_atomic_helper_crtc_normalize_zpos()
479 plane = states[i]->plane; in drm_atomic_helper_crtc_normalize_zpos()
481 states[i]->normalized_zpos = i; in drm_atomic_helper_crtc_normalize_zpos()
488 kfree(states); in drm_atomic_helper_crtc_normalize_zpos()
|
| /linux-6.6.21/Documentation/ABI/testing/ |
| D | sysfs-bus-surface_aggregator-tabletsw | 8 Currently returned posture states are:
29 New states may be introduced with new hardware. Users therefore
30 must not rely on this list of states being exhaustive and
31 gracefully handle unknown states.
39 returned posture states are:
55 New states may be introduced with new hardware. Users therefore
56 must not rely on this list of states being exhaustive and
57 gracefully handle unknown states.
|
| /linux-6.6.21/arch/x86/kernel/acpi/ |
| D | cstate.c | 114 } states[ACPI_PROCESSOR_MAX_POWER]; member
182 percpu_entry->states[cx->index].eax = 0; in acpi_processor_ffh_cstate_probe()
183 percpu_entry->states[cx->index].ecx = 0; in acpi_processor_ffh_cstate_probe()
191 percpu_entry->states[cx->index].eax = cx->address; in acpi_processor_ffh_cstate_probe()
192 percpu_entry->states[cx->index].ecx = MWAIT_ECX_INTERRUPT_BREAK; in acpi_processor_ffh_cstate_probe()
213 mwait_idle_with_hints(percpu_entry->states[cx->index].eax, in acpi_processor_ffh_cstate_enter()
214 percpu_entry->states[cx->index].ecx); in acpi_processor_ffh_cstate_enter()
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| /linux-6.6.21/drivers/i2c/muxes/ |
| D | i2c-mux-pinctrl.c | 19 struct pinctrl_state *states[]; member
26 return pinctrl_select_state(mux->pinctrl, mux->states[chan]); in i2c_mux_pinctrl_select()
96 struct_size(mux, states, num_names), in i2c_mux_pinctrl_probe()
121 mux->states[i] = pinctrl_lookup_state(mux->pinctrl, name); in i2c_mux_pinctrl_probe()
122 if (IS_ERR(mux->states[i])) { in i2c_mux_pinctrl_probe()
123 ret = PTR_ERR(mux->states[i]); in i2c_mux_pinctrl_probe()
144 if (root != i2c_mux_pinctrl_root_adapter(mux->states[i])) { in i2c_mux_pinctrl_probe()
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| /linux-6.6.21/Documentation/devicetree/bindings/powerpc/opal/ |
| D | power-mgt.txt | 5 idle states. The description of these idle states is exposed via the
14 - flags: indicating some aspects of this idle states such as the
16 idle states and so on. The flag bits are as follows:
27 The following properties provide details about the idle states. These
32 If idle-states are defined, then the properties
38 Array of strings containing the names of the idle states.
42 flags associated with the aforementioned idle-states. The
62 exit-latencies (in ns) for the idle states in
67 target-residency (in ns) for the idle states in
75 PSSCR for each of the idle states in ibm,cpu-idle-state-names.
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| /linux-6.6.21/Documentation/devicetree/bindings/mux/ |
| D | mux-consumer.yaml | 29 be set to, the property "mux-states" must be used. An optional property
31 each of the multiplixer states listed in the "mux-states" property.
33 Properties "mux-controls" and "mux-states" can be used depending on how
35 needs to set multiple states in a mux controller, then property
37 controller to a given state then property "mux-states" can be used.
49 mux-states:
62 controller to an index into the list given by the "mux-states"
|