/** * suspend_enter - enter the desired system sleep state. * @state: state to enter * * This function should be called after devices have been suspended. */ static int suspend_enter(suspend_state_t state) { int error; if (suspend_ops->prepare) { error = suspend_ops->prepare(); if (error) return error; } error = device_power_down(PMSG_SUSPEND); if (error) { printk(KERN_ERR "PM: Some devices failed to power down\n"); goto Platfrom_finish; } if (suspend_ops->prepare_late) { error = suspend_ops->prepare_late(); if (error) goto Power_up_devices; } if (suspend_test(TEST_PLATFORM)) goto Platform_wake; error = disable_nonboot_cpus(); if (error || suspend_test(TEST_CPUS)) goto Enable_cpus; arch_suspend_disable_irqs(); BUG_ON(!irqs_disabled()); error = sysdev_suspend(PMSG_SUSPEND); if (!error) { if (!suspend_test(TEST_CORE)) error = suspend_ops->enter(state); sysdev_resume(); } arch_suspend_enable_irqs(); BUG_ON(irqs_disabled()); Enable_cpus: enable_nonboot_cpus(); Platform_wake: if (suspend_ops->wake) suspend_ops->wake(); Power_up_devices: device_power_up(PMSG_RESUME); Platfrom_finish: if (suspend_ops->finish) suspend_ops->finish(); return error; }
/** * suspend_enter - enter the desired system sleep state. * @state: state to enter * * This function should be called after devices have been suspended. */ static int suspend_enter(suspend_state_t state) { int error; if (suspend_ops->prepare) { error = suspend_ops->prepare(); if (error) goto Platform_finish; } error = dpm_suspend_noirq(PMSG_SUSPEND); if (error) { ; goto Platform_finish; } if (suspend_ops->prepare_late) { error = suspend_ops->prepare_late(); if (error) goto Platform_wake; } if (suspend_test(TEST_PLATFORM)) goto Platform_wake; error = disable_nonboot_cpus(); if (error || suspend_test(TEST_CPUS)) goto Platform_wake; arch_suspend_disable_irqs(); BUG_ON(!irqs_disabled()); error = syscore_suspend(); if (!error) { if (!(suspend_test(TEST_CORE) || pm_wakeup_pending())) { error = suspend_ops->enter(state); events_check_enabled = false; } syscore_resume(); } arch_suspend_enable_irqs(); BUG_ON(irqs_disabled()); Platform_wake: if (suspend_ops->wake) suspend_ops->wake(); dpm_resume_noirq(PMSG_RESUME); Platform_finish: if (suspend_ops->finish) suspend_ops->finish(); return error; }
/** * suspend_devices_and_enter - suspend devices and enter the desired system * sleep state. * @state: state to enter */ int suspend_devices_and_enter(suspend_state_t state) { int error, ftrace_save; if (!suspend_ops) return -ENOSYS; if (suspend_ops->begin) { error = suspend_ops->begin(state); if (error) goto Close; } suspend_console(); ftrace_save = __ftrace_enabled_save(); suspend_test_start(); error = device_suspend(PMSG_SUSPEND); if (error) { printk(KERN_ERR "PM: Some devices failed to suspend\n"); goto Recover_platform; } suspend_test_finish("suspend devices"); if (suspend_test(TEST_DEVICES)) goto Recover_platform; if (suspend_ops->prepare) { error = suspend_ops->prepare(); if (error) goto Resume_devices; } if (suspend_test(TEST_PLATFORM)) goto Finish; error = disable_nonboot_cpus(); if (!error && !suspend_test(TEST_CPUS)) suspend_enter(state); enable_nonboot_cpus(); Finish: if (suspend_ops->finish) suspend_ops->finish(); Resume_devices: suspend_test_start(); device_resume(PMSG_RESUME); suspend_test_finish("resume devices"); __ftrace_enabled_restore(ftrace_save); resume_console(); Close: if (suspend_ops->end) suspend_ops->end(); return error; Recover_platform: if (suspend_ops->recover) suspend_ops->recover(); goto Resume_devices; }
/** * suspend_enter - enter the desired system sleep state. * @state: state to enter * * This function should be called after devices have been suspended. */ static int suspend_enter(suspend_state_t state) { int error; if (suspend_ops->prepare) { error = suspend_ops->prepare(); if (error) return error; } error = dpm_suspend_noirq(PMSG_SUSPEND); if (error) { printk(KERN_ERR "PM: Some devices failed to power down\n"); goto Platfrom_finish; } if (suspend_ops->prepare_late) { error = suspend_ops->prepare_late(); if (error) goto Power_up_devices; } if (suspend_test(TEST_PLATFORM)) goto Platform_wake; error = disable_nonboot_cpus(); if (error || suspend_test(TEST_CPUS)) goto Enable_cpus; error = _suspend_enter(state); #ifdef CONFIG_QUICK_WAKEUP while (!error && !quickwakeup_execute()) { if (has_wake_lock(WAKE_LOCK_SUSPEND)) break; error = _suspend_enter(state); } #endif Enable_cpus: enable_nonboot_cpus(); Platform_wake: if (suspend_ops->wake) suspend_ops->wake(); Power_up_devices: dpm_resume_noirq(PMSG_RESUME); Platfrom_finish: if (suspend_ops->finish) suspend_ops->finish(); return error; }
static int plug_secondary_cpus(void *data) { if (!(suspend_test(TEST_FREEZER) || suspend_test(TEST_DEVICES) || suspend_test(TEST_PLATFORM))) enable_nonboot_cpus(); complete(&second_cpu_complete); return 0; }
/** * suspend_enter - Make the system enter the given sleep state. * @state: System sleep state to enter. * @wakeup: Returns information that the sleep state should not be re-entered. * * This function should be called after devices have been suspended. */ static int suspend_enter(suspend_state_t state, bool *wakeup) { int error; if (suspend_ops->prepare) { error = suspend_ops->prepare(); if (error) goto Platform_finish; } error = dpm_suspend_end(PMSG_SUSPEND); if (error) { printk(KERN_ERR "PM: Some devices failed to power down\n"); goto Platform_finish; } if (suspend_ops->prepare_late) { error = suspend_ops->prepare_late(); if (error) goto Platform_wake; } if (suspend_test(TEST_PLATFORM)) goto Platform_wake; arch_suspend_disable_irqs(); BUG_ON(!irqs_disabled()); error = syscore_suspend(); if (!error) { *wakeup = pm_wakeup_pending(); if (!(suspend_test(TEST_CORE) || *wakeup)) { error = suspend_ops->enter(state); events_check_enabled = false; } syscore_resume(); } arch_suspend_enable_irqs(); BUG_ON(irqs_disabled()); Platform_wake: if (suspend_ops->wake) suspend_ops->wake(); dpm_resume_start(PMSG_RESUME); Platform_finish: if (suspend_ops->finish) suspend_ops->finish(); return error; }
/** * enter_state - Do common work of entering low-power state. * @state: pm_state structure for state we're entering. * * Make sure we're the only ones trying to enter a sleep state. Fail * if someone has beat us to it, since we don't want anything weird to * happen when we wake up. * Then, do the setup for suspend, enter the state, and cleaup (after * we've woken up). */ int enter_state(suspend_state_t state) { int error; if (!valid_state(state)) return -ENODEV; if (!mutex_trylock(&pm_mutex)) return -EBUSY; run_suspend(); printk(KERN_INFO "PM: Syncing filesystems ... "); sys_sync(); printk("done.\n"); pr_debug("PM: Preparing system for %s sleep\n", pm_states[state]); error = suspend_prepare(); if (error) goto Unlock; if (suspend_test(TEST_FREEZER)) goto Finish; pr_debug("PM: Entering %s sleep\n", pm_states[state]); error = suspend_devices_and_enter(state); Finish: pr_debug("PM: Finishing wakeup.\n"); suspend_finish(); run_resume(); Unlock: mutex_unlock(&pm_mutex); return error; }
/** * enter_state - Do common work of entering low-power state. * @state: pm_state structure for state we're entering. * * Make sure we're the only ones trying to enter a sleep state. Fail * if someone has beat us to it, since we don't want anything weird to * happen when we wake up. * Then, do the setup for suspend, enter the state, and cleaup (after * we've woken up). */ int enter_state(suspend_state_t state) { int error; if (!valid_state(state)) return -ENODEV; if (!mutex_trylock(&pm_mutex)) return -EBUSY; printk(KERN_INFO "PM: Syncing filesystems ... "); #ifdef CONFIG_SPEEDUP_RESUME_NOTDOSYNC // Jagan+ #else sys_sync(); #endif // Jagan- printk("done.\n"); pr_debug("PM: Preparing system for %s sleep\n", pm_states[state]); error = suspend_prepare(); if (error) goto Unlock; if (suspend_test(TEST_FREEZER)) goto Finish; pr_debug("PM: Entering %s sleep\n", pm_states[state]); error = suspend_devices_and_enter(state); Finish: pr_debug("PM: Finishing wakeup.\n"); suspend_finish(); Unlock: mutex_unlock(&pm_mutex); return error; }
/** * suspend_enter - enter the desired system sleep state. * @state: state to enter * * This function should be called after devices have been suspended. */ static int suspend_enter(suspend_state_t state) { int error = 0; device_pm_lock(); arch_suspend_disable_irqs(); BUG_ON(!irqs_disabled()); if ((error = device_power_down(PMSG_SUSPEND))) { printk(KERN_ERR "PM: Some devices failed to power down\n"); goto Done; } error = sysdev_suspend(PMSG_SUSPEND); if (!error) { if (!suspend_test(TEST_CORE)) error = suspend_ops->enter(state); sysdev_resume(); } device_power_up(PMSG_RESUME); Done: arch_suspend_enable_irqs(); BUG_ON(irqs_disabled()); device_pm_unlock(); return error; }
/** * suspend_devices_and_enter - Suspend devices and enter system sleep state. * @state: System sleep state to enter. */ int suspend_devices_and_enter(suspend_state_t state) { int error; bool wakeup = false; if (!suspend_ops) return -ENOSYS; trace_machine_suspend(state); if (suspend_ops->begin) { error = suspend_ops->begin(state); if (error) goto Close; } suspend_console(); suspend_test_start(); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { printk(KERN_ERR "PM: Some devices failed to suspend\n"); goto Recover_platform; } suspend_test_finish("suspend devices"); if (suspend_test(TEST_DEVICES)) goto Recover_platform; do { error = suspend_enter(state, &wakeup); } while (!error && !wakeup && suspend_ops->suspend_again && suspend_ops->suspend_again()); Resume_devices: suspend_test_start(); dpm_resume_end(PMSG_RESUME); #ifdef CONFIG_MACH_LGE_325_BOARD_VZW #ifdef CONFIG_LGE_LOG_SERVICE if(sleep_enter == 1){ struct timespec ts; struct rtc_time tm; getnstimeofday(&ts); rtc_time_to_tm(ts.tv_sec, &tm); printk(KERN_UTC_WAKEUP "%d-%02d-%02d %02d:%02d:%02d.%06lu\n", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec, ts.tv_nsec/1000); sleep_enter = 0; } #endif #endif suspend_test_finish("resume devices"); resume_console(); Close: if (suspend_ops->end) suspend_ops->end(); trace_machine_suspend(PWR_EVENT_EXIT); return error; Recover_platform: if (suspend_ops->recover) suspend_ops->recover(); goto Resume_devices; }
static int _suspend_enter(suspend_state_t state) { int error = 0; arch_suspend_disable_irqs(); BUG_ON(!irqs_disabled()); if ((error = device_power_down(PMSG_SUSPEND))) { printk(KERN_ERR "PM: Some devices failed to power down\n"); goto Done; } error = sysdev_suspend(PMSG_SUSPEND); if (!error) { if (!suspend_test(TEST_CORE)) error = suspend_ops->enter(state); sysdev_resume(); } device_power_up(PMSG_RESUME); Done: #ifdef CONFIG_QUICK_WAKEUP quickwakeup_check(); #endif arch_suspend_enable_irqs(); BUG_ON(irqs_disabled()); return error; }
static int enter_state(suspend_state_t state) { int error; if (!valid_state(state)) return -ENODEV; if (!mutex_trylock(&pm_mutex)) return -EBUSY; sys_sync(); pr_debug("PM: Preparing system for %s sleep\n", pm_states[state]); error = suspend_prepare(); if (error) goto Unlock; if (suspend_test(TEST_FREEZER)) goto Finish; pr_debug("PM: Entering %s sleep\n", pm_states[state]); pm_restrict_gfp_mask(); error = suspend_devices_and_enter(state); pm_restore_gfp_mask(); Finish: pr_debug("PM: Finishing wakeup.\n"); suspend_finish(); Unlock: mutex_unlock(&pm_mutex); return error; }
/** * suspend_devices_and_enter - Suspend devices and enter system sleep state. * @state: System sleep state to enter. */ int suspend_devices_and_enter(suspend_state_t state) { int error; bool wakeup = false; if (!suspend_ops) return -ENOSYS; trace_machine_suspend(state); if (suspend_ops->begin) { error = suspend_ops->begin(state); if (error) goto Close; } suspend_console(); ftrace_stop(); suspend_test_start(); /* time stamp for start of device suspend */ time_stamp_in_suspend_flow(DEV_SUS, true); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { printk(KERN_ERR "PM: Some devices failed to suspend\n"); goto Recover_platform; } suspend_test_finish("suspend devices"); if (suspend_test(TEST_DEVICES)) goto Recover_platform; do { error = suspend_enter(state, &wakeup); } while (!error && !wakeup && suspend_ops->suspend_again && suspend_ops->suspend_again()); if (wakeup) error = -EBUSY; Resume_devices: suspend_test_start(); dpm_resume_end(PMSG_RESUME); /* time stamp for end of device resume */ time_stamp_in_suspend_flow(DEV_RES, false); suspend_test_finish("resume devices"); ftrace_start(); resume_console(); Close: if (suspend_ops->end) suspend_ops->end(); trace_machine_suspend(PWR_EVENT_EXIT); return error; Recover_platform: if (suspend_ops->recover) suspend_ops->recover(); goto Resume_devices; }
/** * suspend_devices_and_enter - Suspend devices and enter system sleep state. * @state: System sleep state to enter. */ int suspend_devices_and_enter(suspend_state_t state) { int error; bool wakeup = false; if (need_suspend_ops(state) && !suspend_ops) return -ENOSYS; trace_machine_suspend(state); if (need_suspend_ops(state) && suspend_ops->begin) { error = suspend_ops->begin(state); if (error) goto Close; } else if (state == PM_SUSPEND_FREEZE && freeze_ops && freeze_ops->begin) { error = freeze_ops->begin(); if (error) goto Close; } suspend_console(); ftrace_stop(); suspend_test_start(); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { printk(KERN_ERR "PM: Some devices failed to suspend\n"); log_suspend_abort_reason("Some devices failed to suspend"); goto Recover_platform; } suspend_test_finish("suspend devices"); if (suspend_test(TEST_DEVICES)) goto Recover_platform; do { error = suspend_enter(state, &wakeup); } while (!error && !wakeup && need_suspend_ops(state) && platform_suspend_again()); Resume_devices: suspend_test_start(); dpm_resume_end(PMSG_RESUME); suspend_test_finish("resume devices"); ftrace_start(); resume_console(); Close: if (need_suspend_ops(state) && suspend_ops->end) suspend_ops->end(); else if (state == PM_SUSPEND_FREEZE && freeze_ops && freeze_ops->end) freeze_ops->end(); trace_machine_suspend(PWR_EVENT_EXIT); return error; Recover_platform: if (need_suspend_ops(state) && suspend_ops->recover) suspend_ops->recover(); goto Resume_devices; }
/** * enter_state - Do common work of entering low-power state. * @state: pm_state structure for state we're entering. * * Make sure we're the only ones trying to enter a sleep state. Fail * if someone has beat us to it, since we don't want anything weird to * happen when we wake up. * Then, do the setup for suspend, enter the state, and cleaup (after * we've woken up). */ int enter_state(suspend_state_t state) { int error; struct task_struct *cpu_task; if (!valid_state(state)) return -ENODEV; if (!mutex_trylock(&pm_mutex)) return -EBUSY; /* * Assure that previous started thread is completed before * attempting to suspend again. */ error = wait_for_completion_timeout(&second_cpu_complete, msecs_to_jiffies(500)); WARN_ON(error == 0); #ifdef CONFIG_PM_SYNC_CTRL if (pm_sync_active) { ; sys_sync(); ; } #else ; sys_sync(); ; #endif pr_debug("PM: Preparing system for %s sleep\n", pm_states[state]); error = suspend_prepare(); if (error) goto Unlock; if (suspend_test(TEST_FREEZER)) goto Finish; pr_debug("PM: Entering %s sleep\n", pm_states[state]); pm_restrict_gfp_mask(); error = suspend_devices_and_enter(state); pm_restore_gfp_mask(); Finish: pr_debug("PM: Finishing wakeup.\n"); suspend_finish(); Unlock: cpu_task = kthread_run(plug_secondary_cpus, NULL, "cpu-plug"); BUG_ON(IS_ERR(cpu_task)); mutex_unlock(&pm_mutex); return error; }
/** * suspend_devices_and_enter - Suspend devices and enter system sleep state. * @state: System sleep state to enter. */ int suspend_devices_and_enter(suspend_state_t state) { int error; bool wakeup = false; if (!suspend_ops) return -ENOSYS; trace_machine_suspend(state); if (suspend_ops->begin) { error = suspend_ops->begin(state); if (error) goto Close; } suspend_console(); suspend_test_start(); error = dpm_suspend_start(PMSG_SUSPEND); /*OPPO 2012-11-27 zhzhyon Add for reason*/ #ifdef CONFIG_VENDOR_EDIT if(has_wake_lock(WAKE_LOCK_SUSPEND)) { goto Resume_devices; } #endif /*OPPO 2012-11-27 zhzhyon Add end*/ if (error) { printk(KERN_ERR "PM: Some devices failed to suspend\n"); goto Recover_platform; } suspend_test_finish("suspend devices"); if (suspend_test(TEST_DEVICES)) goto Recover_platform; do { error = suspend_enter(state, &wakeup); } while (!error && !wakeup && suspend_ops->suspend_again && suspend_ops->suspend_again()); Resume_devices: suspend_test_start(); dpm_resume_end(PMSG_RESUME); suspend_test_finish("resume devices"); resume_console(); Close: if (suspend_ops->end) suspend_ops->end(); trace_machine_suspend(PWR_EVENT_EXIT); return error; Recover_platform: if (suspend_ops->recover) suspend_ops->recover(); goto Resume_devices; }
/** * enter_state - Do common work needed to enter system sleep state. * @state: System sleep state to enter. * * Make sure that no one else is trying to put the system into a sleep state. * Fail if that's not the case. Otherwise, prepare for system suspend, make the * system enter the given sleep state and clean up after wakeup. */ static int enter_state(suspend_state_t state) { int error; if (state == PM_SUSPEND_FREEZE) { #ifdef CONFIG_PM_DEBUG if (pm_test_level != TEST_NONE && pm_test_level <= TEST_CPUS) { pr_warning("PM: Unsupported test mode for freeze state," "please choose none/freezer/devices/platform.\n"); return -EAGAIN; } #endif } else if (!valid_state(state)) { return -EINVAL; } if (!mutex_trylock(&pm_mutex)) return -EBUSY; if (state == PM_SUSPEND_FREEZE) freeze_begin(); #ifdef CONFIG_HAS_EARLYSUSPEND if (suspendsync) suspend_sys_sync_queue(); #else if (suspendsync) { printk(KERN_INFO "PM: Syncing filesystems ... "); sys_sync(); printk("done.\n"); } #endif pr_debug("PM: Preparing system for %s sleep\n", pm_states[state].label); error = suspend_prepare(state); if (error) goto Unlock; if (suspend_test(TEST_FREEZER)) goto Finish; pr_debug("PM: Entering %s sleep\n", pm_states[state].label); pm_restrict_gfp_mask(); error = suspend_devices_and_enter(state); pm_restore_gfp_mask(); Finish: pr_debug("PM: Finishing wakeup.\n"); suspend_finish(); Unlock: mutex_unlock(&pm_mutex); return error; }
/** * suspend_devices_and_enter - Suspend devices and enter system sleep state. * @state: System sleep state to enter. */ int suspend_devices_and_enter(suspend_state_t state) { int error; bool wakeup = false; if (need_suspend_ops(state) && !suspend_ops) return -ENOSYS; #ifdef CONFIG_TOI drop_pagecache(); #endif trace_machine_suspend(state); if (need_suspend_ops(state) && suspend_ops->begin) { error = suspend_ops->begin(state); if (error) goto Close; } suspend_console(); ftrace_stop(); suspend_test_start(); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { printk(KERN_ERR "PM: Some devices failed to suspend\n"); goto Recover_platform; } suspend_test_finish("suspend devices"); if (suspend_test(TEST_DEVICES)) goto Recover_platform; do { error = suspend_enter(state, &wakeup); } while (!error && !wakeup && need_suspend_ops(state) && suspend_ops->suspend_again && suspend_ops->suspend_again()); Resume_devices: suspend_test_start(); dpm_resume_end(PMSG_RESUME); suspend_test_finish("resume devices"); ftrace_start(); resume_console(); Close: if (need_suspend_ops(state) && suspend_ops->end) suspend_ops->end(); trace_machine_suspend(PWR_EVENT_EXIT); return error; Recover_platform: if (need_suspend_ops(state) && suspend_ops->recover) suspend_ops->recover(); goto Resume_devices; }
/** * enter_state - Do common work needed to enter system sleep state. * @state: System sleep state to enter. * * Make sure that no one else is trying to put the system into a sleep state. * Fail if that's not the case. Otherwise, prepare for system suspend, make the * system enter the given sleep state and clean up after wakeup. */ static int enter_state(suspend_state_t state) { int error; trace_suspend_resume(TPS("suspend_enter"), state, true); if (state == PM_SUSPEND_TO_IDLE) { #ifdef CONFIG_PM_DEBUG if (pm_test_level != TEST_NONE && pm_test_level <= TEST_CPUS) { pr_warn("Unsupported test mode for suspend to idle, please choose none/freezer/devices/platform.\n"); return -EAGAIN; } #endif } else if (!valid_state(state)) { return -EINVAL; } if (!mutex_trylock(&system_transition_mutex)) return -EBUSY; if (state == PM_SUSPEND_TO_IDLE) s2idle_begin(); #ifndef CONFIG_SUSPEND_SKIP_SYNC trace_suspend_resume(TPS("sync_filesystems"), 0, true); pr_info("Syncing filesystems ... "); ksys_sync(); pr_cont("done.\n"); trace_suspend_resume(TPS("sync_filesystems"), 0, false); #endif pm_pr_dbg("Preparing system for sleep (%s)\n", mem_sleep_labels[state]); pm_suspend_clear_flags(); error = suspend_prepare(state); if (error) goto Unlock; if (suspend_test(TEST_FREEZER)) goto Finish; trace_suspend_resume(TPS("suspend_enter"), state, false); pm_pr_dbg("Suspending system (%s)\n", mem_sleep_labels[state]); pm_restrict_gfp_mask(); error = suspend_devices_and_enter(state); pm_restore_gfp_mask(); Finish: events_check_enabled = false; pm_pr_dbg("Finishing wakeup.\n"); suspend_finish(); Unlock: mutex_unlock(&system_transition_mutex); return error; }
/** * suspend_devices_and_enter - Suspend devices and enter system sleep state. * @state: System sleep state to enter. */ int suspend_devices_and_enter(suspend_state_t state) { int error; bool wakeup = false; if (need_suspend_ops(state) && !suspend_ops) return -ENOSYS; if (need_suspend_ops(state) && suspend_ops->begin) { error = suspend_ops->begin(state); if (error) goto Close; } else if (state == PM_SUSPEND_FREEZE && freeze_ops && freeze_ops->begin) { error = freeze_ops->begin(); if (error) goto Close; } suspend_console(); suspend_test_start(); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { pr_err("PM: Some devices failed to suspend, or early wake event detected\n"); goto Recover_platform; } suspend_test_finish("suspend devices"); if (suspend_test(TEST_DEVICES)) goto Recover_platform; do { error = suspend_enter(state, &wakeup); } while (!error && !wakeup && need_suspend_ops(state) && suspend_ops->suspend_again && suspend_ops->suspend_again()); Resume_devices: suspend_test_start(); dpm_resume_end(PMSG_RESUME); suspend_test_finish("resume devices"); resume_console(); Close: if (need_suspend_ops(state) && suspend_ops->end) suspend_ops->end(); else if (state == PM_SUSPEND_FREEZE && freeze_ops && freeze_ops->end) freeze_ops->end(); return error; Recover_platform: if (need_suspend_ops(state) && suspend_ops->recover) suspend_ops->recover(); goto Resume_devices; }
/** * suspend_devices_and_enter - suspend devices and enter the desired system * sleep state. * @state: state to enter */ int suspend_devices_and_enter(suspend_state_t state) { int error; gfp_t saved_mask; struct device l3_dev; if (!suspend_ops) return -ENOSYS; if (suspend_ops->begin) { error = suspend_ops->begin(state); if (error) goto Close; } suspend_console(); saved_mask = clear_gfp_allowed_mask(GFP_IOFS); suspend_test_start(); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { printk(KERN_ERR "PM: Some devices failed to suspend\n"); goto Recover_platform; } suspend_test_finish("suspend devices"); if (suspend_test(TEST_DEVICES)) goto Recover_platform; //omap_pm_set_min_bus_tput(&l3_dev, OCP_INITIATOR_AGENT, 100 * 1000 * 4); // sookyoung.kim suspend_enter(state); //omap_pm_set_min_bus_tput(&l3_dev, OCP_INITIATOR_AGENT, 200 * 1000 * 4); // sookyoung.kim Resume_devices: suspend_test_start(); dpm_resume_end(PMSG_RESUME); // LGE_UPDATE_S #if defined(CONFIG_WAKE_IRQ_PRINT) wakeup_irq_record_print(); #endif // LGE_UPDATE_E suspend_test_finish("resume devices"); set_gfp_allowed_mask(saved_mask); resume_console(); Close: if (suspend_ops->end) suspend_ops->end(); return error; Recover_platform: if (suspend_ops->recover) suspend_ops->recover(); goto Resume_devices; }
/** * suspend_devices_and_enter - Suspend devices and enter system sleep state. * @state: System sleep state to enter. */ int suspend_devices_and_enter(suspend_state_t state) { int error; bool wakeup = false; if (!suspend_ops) return -ENOSYS; trace_machine_suspend(state); if (suspend_ops->begin) { error = suspend_ops->begin(state); if (error) goto Close; } suspend_console(); suspend_test_start(); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { printk(KERN_ERR "PM: Some devices failed to suspend\n"); goto Recover_platform; } suspend_test_finish("suspend devices"); if (suspend_test(TEST_DEVICES)) goto Recover_platform; do { error = suspend_enter(state, &wakeup); } while (!error && !wakeup && suspend_ops->suspend_again && suspend_ops->suspend_again()); Resume_devices: suspend_test_start(); dpm_resume_end(PMSG_RESUME); #ifdef CONFIG_ZTE_PLATFORM_RECORD_APP_AWAKE_SUSPEND_TIME pr_info("Resume DONE \n"); //LHX_PM_20110113 add log to indicate resume finish record_sleep_awake_time(false); //LHX_PM_20110324_01 add code to record how long the APP sleeps or keeps awake #endif suspend_test_finish("resume devices"); resume_console(); Close: if (suspend_ops->end) suspend_ops->end(); trace_machine_suspend(PWR_EVENT_EXIT); return error; Recover_platform: if (suspend_ops->recover) suspend_ops->recover(); goto Resume_devices; }
/** * enter_state - Do common work needed to enter system sleep state. * @state: System sleep state to enter. * * Make sure that no one else is trying to put the system into a sleep state. * Fail if that's not the case. Otherwise, prepare for system suspend, make the * system enter the given sleep state and clean up after wakeup. */ static int enter_state(suspend_state_t state) { int error; trace_suspend_resume(TPS("suspend_enter"), state, true); if (state == PM_SUSPEND_FREEZE) { #ifdef CONFIG_PM_DEBUG if (pm_test_level != TEST_NONE && pm_test_level <= TEST_CPUS) { pr_warning("PM: Unsupported test mode for suspend to idle," "please choose none/freezer/devices/platform.\n"); return -EAGAIN; } #endif } else if (!valid_state(state)) { return -EINVAL; } if (!mutex_trylock(&pm_mutex)) return -EBUSY; if (state == PM_SUSPEND_FREEZE) freeze_begin(); trace_suspend_resume(TPS("sync_filesystems"), 0, true); printk(KERN_INFO "PM: Syncing filesystems ... "); sys_sync(); printk("done.\n"); trace_suspend_resume(TPS("sync_filesystems"), 0, false); pr_debug("PM: Preparing system for sleep (%s)\n", pm_states[state]); error = suspend_prepare(state); if (error) goto Unlock; if (suspend_test(TEST_FREEZER)) goto Finish; trace_suspend_resume(TPS("suspend_enter"), state, false); pr_debug("PM: Suspending system (%s)\n", pm_states[state]); pm_restrict_gfp_mask(); error = suspend_devices_and_enter(state); pm_restore_gfp_mask(); Finish: pr_debug("PM: Finishing wakeup.\n"); suspend_finish(); Unlock: mutex_unlock(&pm_mutex); return error; }
/** * suspend_devices_and_enter - suspend devices and enter the desired system * sleep state. * @state: state to enter */ int suspend_devices_and_enter(suspend_state_t state) { int error; if (!suspend_ops) return -ENOSYS; if (suspend_ops->begin) { error = suspend_ops->begin(state); if (error) goto Close; } /* suspend_console(); */ suspend_test_start(); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { printk(KERN_ERR "PM: Some devices failed to suspend\n"); goto Recover_platform; } suspend_test_finish("suspend devices"); if (suspend_test(TEST_DEVICES)) goto Recover_platform; suspend_enter(state); Resume_devices: suspend_test_start(); dpm_resume_end(PMSG_RESUME); #ifdef CONFIG_WMT_SPITS2_SUPPORT /*Disable TS interrupt*/ wmt_ts_pre_suspend(PMSG_SUSPEND); #endif suspend_test_finish("resume devices"); resume_console(); printk("WMT wake up event %x\n",WMT_WAKE_UP_EVENT); WMT_WAKE_UP_EVENT = 0; Close: if (suspend_ops->end) suspend_ops->end(); return error; Recover_platform: if (suspend_ops->recover) suspend_ops->recover(); goto Resume_devices; }
/** * enter_state - Do common work of entering low-power state. * @state: pm_state structure for state we're entering. * * Make sure we're the only ones trying to enter a sleep state. Fail * if someone has beat us to it, since we don't want anything weird to * happen when we wake up. * Then, do the setup for suspend, enter the state, and cleaup (after * we've woken up). */ int enter_state(suspend_state_t state) { int error; if (!valid_state(state)) return -ENODEV; if (!mutex_trylock(&pm_mutex)) return -EBUSY; printk(KERN_INFO "PM: Syncing filesystems ... "); sys_sync(); printk("done.\n"); pr_debug("PM: Preparing system for %s sleep\n", pm_states[state]); error = suspend_prepare(); if (error){ printk(KERN_ERR "PM: suspend prepare failed ... "); goto Unlock; } if (suspend_test(TEST_FREEZER)){ printk(KERN_ERR "PM: suspend test failed ... "); goto Finish; } pr_debug("PM: Entering %s sleep\n", pm_states[state]); error = suspend_devices_and_enter(state); Finish: pr_debug("PM: Finishing wakeup.\n"); suspend_finish(); Unlock: mutex_unlock(&pm_mutex); #ifdef CONFIG_SUSPEND_WATCHDOG { #ifdef CONFIG_HAS_EARLYSUSPEND extern void reset_watchdog(void); reset_watchdog(); #else extern void disable_watchdog(void); disable_watchdog(); #endif } #endif return error; }
/** * suspend_devices_and_enter - suspend devices and enter the desired system * sleep state. * @state: state to enter */ int suspend_devices_and_enter(suspend_state_t state) { int error; if (!suspend_ops) return -ENOSYS; trace_machine_suspend(state); if (suspend_ops->begin) { error = suspend_ops->begin(state); if (error) goto Close; } suspend_console(); suspend_test_start(); suspend_expire_start(); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { printk(KERN_ERR "PM: Some devices failed to suspend\n"); goto Recover_platform; } suspend_expire_finish("suspend devices"); suspend_test_finish("suspend devices"); if (suspend_test(TEST_DEVICES)) goto Recover_platform; suspend_enter(state); Resume_devices: suspend_test_start(); suspend_expire_start(); dpm_resume_end(PMSG_RESUME); suspend_expire_finish("resume devices"); suspend_test_finish("resume devices"); resume_console(); Close: if (suspend_ops->end) suspend_ops->end(); trace_machine_suspend(PWR_EVENT_EXIT); return error; Recover_platform: if (suspend_ops->recover) suspend_ops->recover(); goto Resume_devices; }
/** * suspend_devices_and_enter - suspend devices and enter the desired system * sleep state. * @state: state to enter */ int suspend_devices_and_enter(suspend_state_t state) { int error; gfp_t saved_mask; if (!suspend_ops) return -ENOSYS; if (suspend_ops->begin) { error = suspend_ops->begin(state); if (error) goto Close; } suspend_console(); saved_mask = clear_gfp_allowed_mask(GFP_IOFS); suspend_test_start(); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { printk(KERN_ERR "PM: Some devices failed to suspend\n"); goto Recover_platform; } suspend_test_finish("suspend devices"); if (suspend_test(TEST_DEVICES)) { printk(KERN_ERR "PM: suspend test failed\n"); goto Recover_platform; } suspend_enter(state); Resume_devices: suspend_test_start(); dpm_resume_end(PMSG_RESUME); suspend_test_finish("resume devices"); set_gfp_allowed_mask(saved_mask); resume_console(); Close: if (suspend_ops->end) suspend_ops->end(); return error; Recover_platform: if (suspend_ops->recover) suspend_ops->recover(); goto Resume_devices; }
/** * suspend_devices_and_enter - Suspend devices and enter system sleep state. * @state: System sleep state to enter. */ int suspend_devices_and_enter(suspend_state_t state) { int error; bool wakeup = false; if (!sleep_state_supported(state)) return -ENOSYS; pm_suspend_target_state = state; error = platform_suspend_begin(state); if (error) goto Close; suspend_console(); suspend_test_start(); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { pr_err("Some devices failed to suspend, or early wake event detected\n"); goto Recover_platform; } suspend_test_finish("suspend devices"); if (suspend_test(TEST_DEVICES)) goto Recover_platform; do { error = suspend_enter(state, &wakeup); } while (!error && !wakeup && platform_suspend_again(state)); Resume_devices: suspend_test_start(); dpm_resume_end(PMSG_RESUME); suspend_test_finish("resume devices"); trace_suspend_resume(TPS("resume_console"), state, true); resume_console(); trace_suspend_resume(TPS("resume_console"), state, false); Close: platform_resume_end(state); pm_suspend_target_state = PM_SUSPEND_ON; return error; Recover_platform: platform_recover(state); goto Resume_devices; }
/** * enter_state - Do common work needed to enter system sleep state. * @state: System sleep state to enter. * * Make sure that no one else is trying to put the system into a sleep state. * Fail if that's not the case. Otherwise, prepare for system suspend, make the * system enter the given sleep state and clean up after wakeup. */ static int enter_state(suspend_state_t state) { int error; if (!valid_state(state)) return -ENODEV; if (!mutex_trylock(&pm_mutex)) return -EBUSY; if (state == PM_SUSPEND_FREEZE) freeze_begin(); #ifndef CONFIG_ARCH_HI3630 printk(KERN_INFO "PM: Syncing filesystems ... "); sys_sync(); printk("done.\n"); #else hisi_sys_sync_queue(); #endif pr_debug("PM: Preparing system for %s sleep\n", pm_states[state]); error = suspend_prepare(state); if (error) goto Unlock; if (suspend_test(TEST_FREEZER)) goto Finish; pr_debug("PM: Entering %s sleep\n", pm_states[state]); pm_restrict_gfp_mask(); error = suspend_devices_and_enter(state); pm_restore_gfp_mask(); Finish: pr_debug("PM: Finishing wakeup.\n"); suspend_finish(); Unlock: mutex_unlock(&pm_mutex); return error; }
/** * suspend_devices_and_enter - suspend devices and enter the desired system * sleep state. * @state: state to enter */ int suspend_devices_and_enter(suspend_state_t state) { int error; if (!suspend_ops) return -ENOSYS; if (suspend_ops->begin) { error = suspend_ops->begin(state); if (error) goto Close; } suspend_console(); pm_restrict_gfp_mask(); suspend_test_start(); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { printk(KERN_ERR "PM: Some devices failed to suspend\n"); goto Recover_platform; } suspend_test_finish("suspend devices"); if (suspend_test(TEST_DEVICES)) goto Recover_platform; suspend_enter(state); Resume_devices: suspend_test_start(); dpm_resume_end(PMSG_RESUME); ktime_resume_endtime=ktime_get(); printk(KERN_ERR "<POWER>resume6[peripheral resume]take %llu ns\n",ktime_to_ns(ktime_sub(ktime_resume_endtime, ktime_resume_fromtime))); ktime_resume_fromtime=ktime_resume_endtime; suspend_test_finish("resume devices"); pm_restore_gfp_mask(); resume_console(); Close: if (suspend_ops->end) suspend_ops->end(); return error; Recover_platform: if (suspend_ops->recover) suspend_ops->recover(); goto Resume_devices; }