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/linux-6.15/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
69 kfree(*states); in pd_parse_states()
80 kfree(states[i].data); in pd_free_states()
81 kfree(states); in pd_free_states()
86 pd_free_states(pd->states, pd->state_count); in dt_idle_pd_free()
95 struct genpd_power_state *states = NULL; in dt_idle_pd_alloc() local
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H A Dcpuidle-riscv-sbi.c34 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()
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()
249 if (!states) in sbi_cpuidle_dt_init_states()
275 data->states = states; in sbi_cpuidle_dt_init_states()
304 drv->states[0].exit_latency = 1; in sbi_cpuidle_init_cpu()
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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.c59 u32 *states = data->psci_states; in __psci_enter_domain_idle_state() local
76 state = states[idx]; in __psci_enter_domain_idle_state()
245 drv->states[state_count - 1].enter_s2idle = psci_enter_s2idle_domain_idle_state; in psci_dt_cpu_init_topology()
247 drv->states[state_count - 1].enter = psci_enter_domain_idle_state; in psci_dt_cpu_init_topology()
364 drv->states[0].enter = psci_enter_idle_state; in psci_idle_init_cpu()
365 drv->states[0].exit_latency = 1; in psci_idle_init_cpu()
366 drv->states[0].target_residency = 1; in psci_idle_init_cpu()
367 drv->states[0].power_usage = UINT_MAX; in psci_idle_init_cpu()
368 strcpy(drv->states[0].name, "WFI"); in psci_idle_init_cpu()
369 strcpy(drv->states[0].desc, "ARM WFI"); in psci_idle_init_cpu()
/linux-6.15/drivers/regulator/
H A Dgpio-regulator.c39 struct gpio_regulator_state *states; member
52 return data->states[ptr].value; in gpio_regulator_get_value()
68 target = data->states[ptr].gpios; in gpio_regulator_set_voltage()
94 return data->states[selector].value; in gpio_regulator_list_voltage()
107 target = data->states[ptr].gpios; in gpio_regulator_set_current_limit()
196 config->states = devm_kcalloc(dev, in of_get_gpio_regulator_config()
200 if (!config->states) in of_get_gpio_regulator_config()
205 &config->states[i].value); in of_get_gpio_regulator_config()
207 &config->states[i].gpios); in of_get_gpio_regulator_config()
292 config->states, in gpio_regulator_probe()
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H A Dirq_helpers.c107 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()
298 h->rdata.states[i].rdev = *rdev++; in init_rdev_state()
309 if (h->rdata.states[i].possible_errs) in init_rdev_errors()
426 int err = rid->states[0].possible_errs; in regulator_irq_map_event_simple()
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/linux-6.15/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()
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()
145 state = &drv->states[i]; in ladder_enable_device()
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H A Dteo.c172 u64 lat_ns = drv->states[dev->last_state_idx].exit_latency_ns; in teo_update()
202 target_residency_ns = drv->states[i].target_residency_ns; in teo_update()
233 drv->states[i].target_residency_ns >= TICK_NSEC; in teo_state_ok()
252 (no_poll && drv->states[i].flags & CPUIDLE_FLAG_POLLING)) in teo_find_shallower_state()
256 if (drv->states[i].target_residency_ns <= duration_ns) in teo_find_shallower_state()
311 struct cpuidle_state *s = &drv->states[i]; in teo_select()
347 duration_ns = drv->states[idx].target_residency_ns; in teo_select()
461 if (drv->states[idx].target_residency_ns > duration_ns) { in teo_select()
472 if (drv->states[idx].target_residency_ns < TICK_NSEC && in teo_select()
482 if ((!(drv->states[idx].flags & CPUIDLE_FLAG_POLLING) && in teo_select()
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H A Dmenu.c262 ((data->next_timer_ns < drv->states[1].target_residency_ns || in menu_select()
263 latency_req < drv->states[1].exit_latency_ns) && in menu_select()
270 *stop_tick = !(drv->states[0].flags & CPUIDLE_FLAG_POLLING); in menu_select()
295 struct cpuidle_state *s = &drv->states[i]; in menu_select()
308 if ((drv->states[idx].flags & CPUIDLE_FLAG_POLLING) && in menu_select()
325 predicted_ns = drv->states[idx].target_residency_ns; in menu_select()
335 if (drv->states[idx].target_residency_ns < TICK_NSEC && in menu_select()
354 if (((drv->states[idx].flags & CPUIDLE_FLAG_POLLING) || in menu_select()
370 if (drv->states[i].target_residency_ns <= delta_tick) in menu_select()
405 struct cpuidle_state *target = &drv->states[last_idx]; in menu_update()
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/linux-6.15/tools/verification/dot2/
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)
112 states.insert(0, initial_state)
117 return states, initial_state, final_states
146 states = self.states
155 for state in states:
184 for j, _ in enumerate(self.states):
H A Ddot2c.py41 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:
/linux-6.15/drivers/acpi/
H A Dprocessor_idle.c397 if (!states[i].valid) in acpi_cst_latency_sort()
401 if (!states[j].valid) in acpi_cst_latency_sort()
404 if (states[j].latency > states[k].latency) in acpi_cst_latency_sort()
405 swap(states[j].latency, states[k].latency); in acpi_cst_latency_sort()
472 memset(pr->power.states, 0, sizeof(pr->power.states)); in acpi_processor_get_cstate_info()
751 cx = &pr->power.states[i]; in acpi_processor_setup_cpuidle_cx()
796 cx = &pr->power.states[i]; in acpi_processor_setup_cstates()
801 state = &drv->states[count]; in acpi_processor_setup_cstates()
1213 state = &drv->states[i]; in acpi_processor_setup_lpi_states()
1246 drv->states[i].name[0] = '\0'; in acpi_processor_setup_cpuidle_states()
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/linux-6.15/Documentation/devicetree/bindings/cpu/
H A Didle-states.yaml7 title: Idle states
26 2 - ARM idle states
38 The power states described in the SBSA document define the basic CPU states on
52 3 - RISC-V idle states
226 shallower states in a system with multiple idle states) is defined
234 5 - idle-states node
329 const: idle-states
591 idle-states {
734 idle-states {
844 idle-states {
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/linux-6.15/sound/usb/misc/
H A Dua101.c90 unsigned long states; member
504 if (test_bit(DISCONNECTED, &ua->states)) in start_usb_capture()
521 set_bit(USB_CAPTURE_RUNNING, &ua->states); in start_usb_capture()
545 if (test_bit(DISCONNECTED, &ua->states)) in start_usb_playback()
572 test_bit(DISCONNECTED, &ua->states)); in start_usb_playback()
573 if (test_bit(DISCONNECTED, &ua->states)) { in start_usb_playback()
664 set_bit(ALSA_CAPTURE_OPEN, &ua->states); in capture_pcm_open()
692 set_bit(ALSA_PLAYBACK_OPEN, &ua->states); in playback_pcm_open()
769 if (test_bit(DISCONNECTED, &ua->states)) in capture_pcm_prepare()
796 if (test_bit(DISCONNECTED, &ua->states)) in playback_pcm_prepare()
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/linux-6.15/Documentation/admin-guide/pm/
H A Dintel_idle.rst42 .. _intel-idle-enumeration-of-states:
50 as C-states (in the ACPI terminology) or idle states. The list of meaningful
56 subsystem (see :ref:`idle-states-representation` in
102 :ref:`idle-states-representation` in
148 available idle states is created as explained
181 after finding that number of usable idle states (the other idle states that
204 C-states on/off status in native mode.
216 idle state; see :ref:`idle-states-representation` in
243 .. _intel-idle-core-and-package-idle-states:
249 least) two levels of idle states (or C-states). One level, referred to as
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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-6.15/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-6.15/arch/arm64/boot/dts/qcom/
H A Dsc7180-firmware-tfa.dtsi13 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
/linux-6.15/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-6.15/drivers/gpu/drm/
H A Ddrm_blend.c448 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-6.15/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-6.15/drivers/i2c/muxes/
H A Di2c-mux-pinctrl.c19 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()
/linux-6.15/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:
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.
88 kernel. For such idle states, the kernel would set the
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/linux-6.15/Documentation/devicetree/bindings/mux/
H A Dmux-consumer.yaml29 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"
/linux-6.15/drivers/md/dm-vdo/
H A Dencodings.c1282 if (states == NULL) in vdo_destroy_component_states()
1285 vdo_uninitialize_layout(&states->layout); in vdo_destroy_component_states()
1300 struct vdo_component_states *states) in decode_components() argument
1307 states->vdo.config.physical_blocks, &states->layout); in decode_components()
1312 &states->recovery_journal); in decode_components()
1338 struct vdo_component_states *states) in vdo_decode_component_states() argument
1355 vdo_uninitialize_layout(&states->layout); in vdo_decode_component_states()
1374 if (geometry_nonce != states->vdo.nonce) { in vdo_validate_component_states()
1388 const struct vdo_component_states *states) in vdo_encode_component_states() argument
1391 encode_u32_le(buffer, offset, states->unused); in vdo_encode_component_states()
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