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/linux/drivers/cpuidle/
H A Ddt_idle_genpd.c26 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()
[all …]
H A Dcpuidle-riscv-sbi.c35 u32 *states; member
81 u32 *states = __this_cpu_read(sbi_cpuidle_data.states); in sbi_cpuidle_enter_state() local
82 u32 state = states[idx]; in sbi_cpuidle_enter_state()
96 u32 *states = data->states; in __sbi_enter_domain_idle_state() local
116 state = states[idx]; in __sbi_enter_domain_idle_state()
225 drv->states[state_count - 1].flags |= CPUIDLE_FLAG_RCU_IDLE; in sbi_dt_cpu_init_topology()
226 drv->states[state_count - 1].enter = sbi_enter_domain_idle_state; in sbi_dt_cpu_init_topology()
227 drv->states[state_count - 1].enter_s2idle = in sbi_dt_cpu_init_topology()
241 u32 *states; in sbi_cpuidle_dt_init_states() local
248 states = devm_kcalloc(dev, state_count, sizeof(*states), GFP_KERNEL); in sbi_cpuidle_dt_init_states()
[all …]
H A Dcpuidle-mvebu-v7.c36 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] = {
H A Dcpuidle-psci.c69 u32 *states = data->psci_states; in __psci_enter_domain_idle_state() local
72 u32 state = states[idx]; in __psci_enter_domain_idle_state()
269 drv->states[state_count - 1].enter_s2idle = psci_enter_s2idle_domain_idle_state; in psci_dt_cpu_init_topology()
271 drv->states[state_count - 1].enter = psci_enter_domain_idle_state; in psci_dt_cpu_init_topology()
385 drv->states[0].enter = psci_enter_idle_state; in psci_idle_init_cpu()
386 drv->states[0].exit_latency = 1; in psci_idle_init_cpu()
387 drv->states[0].target_residency = 1; in psci_idle_init_cpu()
388 drv->states[0].power_usage = UINT_MAX; in psci_idle_init_cpu()
389 strscpy(drv->states[0].name, "WFI"); in psci_idle_init_cpu()
390 strscpy(drv->states[0].desc, "ARM WFI"); in psci_idle_init_cpu()
H A Dcpuidle.c73 if (drv->states[i].enter_dead) in cpuidle_play_dead()
74 drv->states[i].enter_dead(dev, i); in cpuidle_play_dead()
94 struct cpuidle_state *s = &drv->states[i]; in find_deepest_state()
147 struct cpuidle_state *target_state = &drv->states[index]; in enter_s2idle_proper()
223 struct cpuidle_state *target_state = &drv->states[index]; in cpuidle_enter_state()
238 target_state = &drv->states[index]; in cpuidle_enter_state()
295 s64 diff, delay = drv->states[entered_state].exit_latency_ns; in cpuidle_enter_state()
309 if (diff < drv->states[entered_state].target_residency_ns) { in cpuidle_enter_state()
328 if (diff - delay >= drv->states[i].target_residency_ns) { in cpuidle_enter_state()
450 state_limit = drv->states[i].target_residency_ns; in cpuidle_poll_time()
[all …]
H A DKconfig.arm12 It provides a generic idle driver whose idle states are configured
25 managing idle states through the PSCI firmware interface.
28 - If the idle states are described with the non-hierarchical layout,
29 all idle states are still available.
31 - If the idle states are described with the hierarchical layout,
32 only the idle states defined per CPU are available, but not the ones
33 being shared among a group of CPUs (aka cluster idle states).
44 idle states.
56 define different C-states for little and big cores through the
/linux/drivers/regulator/
H A Dgpio-regulator.c39 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()
[all …]
/linux/drivers/cpuidle/governors/
H A Dladder.c40 struct ladder_device_state states[CPUIDLE_STATE_MAX]; member
56 ldev->states[old_idx].stats.promotion_count = 0; in ladder_do_selection()
57 ldev->states[old_idx].stats.demotion_count = 0; in ladder_do_selection()
73 int first_idx = drv->states[0].flags & CPUIDLE_FLAG_POLLING ? 1 : 0; in ladder_select_state()
83 last_state = &ldev->states[last_idx]; in ladder_select_state()
85 last_residency = dev->last_residency_ns - drv->states[last_idx].exit_latency_ns; in ladder_select_state()
91 drv->states[last_idx + 1].exit_latency_ns <= latency_req) { in ladder_select_state()
103 drv->states[last_idx].exit_latency_ns > latency_req)) { in ladder_select_state()
107 if (drv->states[i].exit_latency_ns <= latency_req) in ladder_select_state()
137 int first_idx = drv->states[0].flags & CPUIDLE_FLAG_POLLING ? 1 : 0; in ladder_enable_device()
[all …]
H A Dteo.c174 s64 lat_ns = drv->states[dev->last_state_idx].exit_latency_ns; in teo_update()
220 target_residency_ns = drv->states[i].target_residency_ns; in teo_update()
296 if (drv->states[i].target_residency_ns <= duration_ns) in teo_find_shallower_state()
353 struct cpuidle_state *s = &drv->states[i]; in teo_select()
398 duration_ns = drv->states[idx].target_residency_ns; in teo_select()
419 drv->states[min_idx].target_residency_ns < TICK_NSEC) in teo_select()
427 if (drv->states[min_idx].target_residency_ns == in teo_select()
428 drv->states[idx].target_residency_ns) in teo_select()
497 if ((!idx || drv->states[idx].target_residency_ns < RESIDENCY_THRESHOLD_NS) && in teo_select()
512 if (drv->states[idx].target_residency_ns > duration_ns) in teo_select()
[all …]
H A Dmenu.c285 ((data->next_timer_ns < drv->states[1].target_residency_ns || in menu_select()
286 latency_req < drv->states[1].exit_latency_ns) && in menu_select()
293 *stop_tick = !(drv->states[0].flags & CPUIDLE_FLAG_POLLING); in menu_select()
303 struct cpuidle_state *s = &drv->states[i]; in menu_select()
325 if ((drv->states[idx].flags & CPUIDLE_FLAG_POLLING) && in menu_select()
344 predicted_ns = drv->states[idx].target_residency_ns; in menu_select()
354 if (drv->states[idx].target_residency_ns < TICK_NSEC && in menu_select()
368 if (((drv->states[idx].flags & CPUIDLE_FLAG_POLLING) || in menu_select()
372 if (idx > 0 && drv->states[idx].target_residency_ns > delta_tick) { in menu_select()
384 if (drv->states[i].target_residency_ns <= delta_tick) in menu_select()
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/linux/tools/verification/rvgen/rvgen/
H A Dautomata.py26 self.states, self.initial_state, self.final_states = self.__get_state_variables()
81 states = []
97 states.append(state)
108 states = sorted(set(states))
109 states.remove(initial_state)
111 # Insert the initial state at the bein og the states
112 states.insert(0, initial_state)
117 return states, initial_state, final_states
146 states
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H A Ddot2c.py20 enum_states_def = "states"
32 for state in self.states:
67 if self.states.__len__() > 255:
70 if self.states.__len__() > 65535:
73 if self.states.__len__() > 1000000:
74 raise Exception("Too many states: %d" % self.states.__len__())
111 buff.append(self.__get_string_vector_per_line_content(self.states))
117 max_state_name = max(self.states, key = len).__len__()
121 nr_states = self.states
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/linux/sound/usb/misc/
H A Dua101.c90 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()
184 if (test_bit(USB_PLAYBACK_RUNNING, &ua->states)) { in playback_urb_complete()
203 set_bit(PLAYBACK_URB_COMPLETED, &ua->states); in first_playback_urb_complete()
255 if (unlikely(!test_bit(USB_PLAYBACK_RUNNING, &ua->states))) in playback_work()
285 if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states)) in playback_work()
365 if (frames > 0 && test_bit(ALSA_CAPTURE_RUNNING, &ua->states)) in capture_urb_complete()
370 if (test_bit(USB_CAPTURE_RUNNING, &ua->states)) { in capture_urb_complete()
396 if (test_bit(USB_PLAYBACK_RUNNING, &ua->states) && in capture_urb_complete()
[all …]
/linux/drivers/acpi/
H A Dprocessor_idle.c175 return cx - pr->power.states >= pr->power.timer_broadcast_on_state; in lapic_timer_needs_broadcast()
225 pr->power.states[ACPI_STATE_C2].type = ACPI_STATE_C2; in acpi_processor_get_power_info_fadt()
226 pr->power.states[ACPI_STATE_C3].type = ACPI_STATE_C3; in acpi_processor_get_power_info_fadt()
239 pr->power.states[ACPI_STATE_C2].address = pr->pblk + 4; in acpi_processor_get_power_info_fadt()
240 pr->power.states[ACPI_STATE_C3].address = pr->pblk + 5; in acpi_processor_get_power_info_fadt()
243 pr->power.states[ACPI_STATE_C2].latency = acpi_gbl_FADT.c2_latency; in acpi_processor_get_power_info_fadt()
244 pr->power.states[ACPI_STATE_C3].latency = acpi_gbl_FADT.c3_latency; in acpi_processor_get_power_info_fadt()
254 pr->power.states[ACPI_STATE_C2].address = 0; in acpi_processor_get_power_info_fadt()
265 pr->power.states[ACPI_STATE_C3].address = 0; in acpi_processor_get_power_info_fadt()
269 pr->power.states[ACPI_STATE_C2].address, in acpi_processor_get_power_info_fadt()
[all …]
/linux/Documentation/admin-guide/pm/
H A Dintel_idle.rst28 processor's functional blocks into low-power states. That instruction takes two
63 .. _intel-idle-enumeration-of-states:
71 as C-states (in the ACPI terminology) or idle states. The list of meaningful
72 ``MWAIT`` hint values and idle states (i.e. low-power configurations of the
76 In order to create a list of available idle states required by the ``CPUIdle``
77 subsystem (see :ref:`idle-states-representation` in
79 ``intel_idle`` can use two sources of information: static tables of idle states
90 states, ``intel_idle`` first looks for a ``_CST`` object under one of the ACPI
93 ``CPUIdle`` subsystem expects that the list of idle states supplied by the
97 state description and such that all of the idle states included in its return
[all …]
H A Dstrategies.rst15 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.
/linux/Documentation/admin-guide/blockdev/drbd/
H A Dfigures.rst20 .. 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
/linux/include/rv/
H A Dltl_monitor.h36 memset(&mon->states, 0, sizeof(mon->states)); in ltl_task_init()
111 char states[32], next[32]; in ltl_trace_event() local
117 snprintf(states, sizeof(states), "%*pbl", RV_MAX_BA_STATES, mon->states); in ltl_trace_event()
127 CONCATENATE(trace_event_, MONITOR_NAME)(task, states, atoms.buffer, next); in ltl_trace_event()
138 if (test_bit(i, mon->states)) in ltl_validate()
144 memcpy(mon->states, next_states, sizeof(next_states)); in ltl_validate()
/linux/arch/x86/kernel/acpi/
H A Dcstate.c116 } states[ACPI_PROCESSOR_MAX_POWER]; member
184 percpu_entry->states[cx->index].eax = 0; in acpi_processor_ffh_cstate_probe()
185 percpu_entry->states[cx->index].ecx = 0; in acpi_processor_ffh_cstate_probe()
193 percpu_entry->states[cx->index].eax = cx->address; in acpi_processor_ffh_cstate_probe()
194 percpu_entry->states[cx->index].ecx = MWAIT_ECX_INTERRUPT_BREAK; in acpi_processor_ffh_cstate_probe()
215 mwait_play_dead(percpu_entry->states[cx->index].eax); in acpi_processor_ffh_play_dead()
225 mwait_idle_with_hints(percpu_entry->states[cx->index].eax, in acpi_processor_ffh_cstate_enter()
226 percpu_entry->states[cx->index].ecx); in acpi_processor_ffh_cstate_enter()
/linux/drivers/gpu/drm/
H A Ddrm_blend.c454 struct drm_plane_state **states; in drm_atomic_helper_crtc_normalize_zpos() local
462 states = kmalloc_objs(*states, total_planes); in drm_atomic_helper_crtc_normalize_zpos()
463 if (!states) in drm_atomic_helper_crtc_normalize_zpos()
477 states[n++] = plane_state; in drm_atomic_helper_crtc_normalize_zpos()
482 sort(states, n, sizeof(*states), drm_atomic_state_zpos_cmp, NULL); in drm_atomic_helper_crtc_normalize_zpos()
485 plane = states[i]->plane; in drm_atomic_helper_crtc_normalize_zpos()
487 states[i]->normalized_zpos = i; in drm_atomic_helper_crtc_normalize_zpos()
494 kfree(states); in drm_atomic_helper_crtc_normalize_zpos()
/linux/Documentation/ABI/testing/
H A Dsysfs-bus-surface_aggregator-tabletsw8 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/Documentation/devicetree/bindings/powerpc/opal/
H A Dpower-mgt.txt5 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.
[all …]
/linux/arch/arm64/boot/dts/freescale/
H A Dfsl-ls2088a.dtsi28 cpu-idle-states = <&CPU_PW20>;
38 cpu-idle-states = <&CPU_PW20>;
48 cpu-idle-states = <&CPU_PW20>;
58 cpu-idle-states = <&CPU_PW20>;
69 cpu-idle-states = <&CPU_PW20>;
78 cpu-idle-states = <&CPU_PW20>;
88 cpu-idle-states = <&CPU_PW20>;
98 cpu-idle-states = <&CPU_PW20>;
H A Dfsl-ls2080a.dtsi28 cpu-idle-states = <&CPU_PW20>;
38 cpu-idle-states = <&CPU_PW20>;
48 cpu-idle-states = <&CPU_PW20>;
58 cpu-idle-states = <&CPU_PW20>;
68 cpu-idle-states = <&CPU_PW20>;
78 cpu-idle-states = <&CPU_PW20>;
89 cpu-idle-states = <&CPU_PW20>;
98 cpu-idle-states = <&CPU_PW20>;
/linux/arch/arm64/boot/dts/sprd/
H A Dums9620.dtsi53 cpu-idle-states = <&LIT_CORE_PD>;
61 cpu-idle-states = <&LIT_CORE_PD>;
69 cpu-idle-states = <&LIT_CORE_PD>;
77 cpu-idle-states = <&LIT_CORE_PD>;
85 cpu-idle-states = <&BIG_CORE_PD>;
93 cpu-idle-states = <&BIG_CORE_PD>;
101 cpu-idle-states = <&BIG_CORE_PD>;
109 cpu-idle-states = <&BIG_CORE_PD>;
113 idle-states {

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