kernel/power/suspend.c

3  * kernel/power/suspend.c - Suspend to RAM and standby functionality.
26 #include <linux/suspend.h>
65  * pm_suspend_default_s2idle - Check if suspend-to-idle is the default suspend.
67  * Return 'true' if suspend-to-idle has been selected as the default system
68  * suspend method.
122 	pm_pr_dbg("suspend-to-idle\n");  in s2idle_loop()
125 	 * Suspend-to-idle equals:  in s2idle_loop()
130 	 * Wakeups during the noirq suspend of devices may be spurious, so try  in s2idle_loop()
146 	pm_pr_dbg("resume from suspend-to-idle\n");  in s2idle_loop()
178 	 * Suspend-to-idle should be supported even without any suspend_ops,  in pm_states_init()
200  * suspend_set_ops - Set the global suspend method table.
201  * @ops: Suspend operations to use.
228  * Platform drivers that implement mem suspend only and only need to check for
320 		 "Number of seconds to wait before resuming from suspend test");
327 		pr_info("suspend debug: Waiting for %d second(s).\n",  in suspend_test()
340  * hibernation).  Run suspend notifiers, allocate the "suspend" console and
399 		pr_err("late suspend of devices failed\n");  in suspend_enter()
408 		pr_err("noirq suspend of devices failed\n");  in suspend_enter()
471  * suspend_devices_and_enter - Suspend devices and enter system sleep state.
495 		pr_err("Some devices failed to suspend, or early wake event detected\n");  in suspend_devices_and_enter()
498 	suspend_test_finish("suspend devices");  in suspend_devices_and_enter()
525  * suspend_finish - Clean up before finishing the suspend sequence.
542  * Fail if that's not the case.  Otherwise, prepare for system suspend, make the
553 …pr_warn("Unsupported test mode for suspend to idle, please choose none/freezer/devices/platform.\n…  in enter_state()
601  * execute enter_state() and update system suspend statistics.
610 	pr_info("suspend entry (%s)\n", mem_sleep_labels[state]);  in pm_suspend()
618 	pr_info("suspend exit\n");  in pm_suspend()