cregit-Linux how code gets into the kernel

Release 4.10 drivers/acpi/wakeup.c

Directory: drivers/acpi
/*
 * wakeup.c - support wakeup devices
 * Copyright (C) 2004 Li Shaohua <shaohua.li@intel.com>
 */

#include <linux/init.h>
#include <linux/acpi.h>
#include <linux/kernel.h>
#include <linux/types.h>

#include "internal.h"
#include "sleep.h"

/*
 * We didn't lock acpi_device_lock in the file, because it invokes oops in
 * suspend/resume and isn't really required as this is called in S-state. At
 * that time, there is no device hotplug
 **/

#define _COMPONENT		ACPI_SYSTEM_COMPONENT
ACPI_MODULE_NAME("wakeup_devices")

/**
 * acpi_enable_wakeup_devices - Enable wake-up device GPEs.
 * @sleep_state: ACPI system sleep state.
 *
 * Enable wakeup device power of devices with the state.enable flag set and set
 * the wakeup enable mask bits in the GPE registers that correspond to wakeup
 * devices.
 */

void acpi_enable_wakeup_devices(u8 sleep_state) { struct list_head *node, *next; list_for_each_safe(node, next, &acpi_wakeup_device_list) { struct acpi_device *dev = container_of(node, struct acpi_device, wakeup_list); if (!dev->wakeup.flags.valid || sleep_state > (u32) dev->wakeup.sleep_state || !(device_may_wakeup(&dev->dev) || dev->wakeup.prepare_count)) continue; if (device_may_wakeup(&dev->dev)) acpi_enable_wakeup_device_power(dev, sleep_state); /* The wake-up power should have been enabled already. */ acpi_set_gpe_wake_mask(dev->wakeup.gpe_device, dev->wakeup.gpe_number, ACPI_GPE_ENABLE); } }

Contributors

PersonTokensPropCommitsCommitProp
len brownlen brown8573.28%440.00%
rafael j. wysockirafael j. wysocki2925.00%440.00%
alexey starikovskiyalexey starikovskiy10.86%110.00%
lin minglin ming10.86%110.00%
Total116100.00%10100.00%

/** * acpi_disable_wakeup_devices - Disable devices' wakeup capability. * @sleep_state: ACPI system sleep state. */
void acpi_disable_wakeup_devices(u8 sleep_state) { struct list_head *node, *next; list_for_each_safe(node, next, &acpi_wakeup_device_list) { struct acpi_device *dev = container_of(node, struct acpi_device, wakeup_list); if (!dev->wakeup.flags.valid || sleep_state > (u32) dev->wakeup.sleep_state || !(device_may_wakeup(&dev->dev) || dev->wakeup.prepare_count)) continue; acpi_set_gpe_wake_mask(dev->wakeup.gpe_device, dev->wakeup.gpe_number, ACPI_GPE_DISABLE); if (device_may_wakeup(&dev->dev)) acpi_disable_wakeup_device_power(dev); } }

Contributors

PersonTokensPropCommitsCommitProp
len brownlen brown5851.33%330.00%
rafael j. wysockirafael j. wysocki4640.71%550.00%
alexey starikovskiyalexey starikovskiy87.08%110.00%
lin minglin ming10.88%110.00%
Total113100.00%10100.00%


int __init acpi_wakeup_device_init(void) { struct list_head *node, *next; mutex_lock(&acpi_device_lock); list_for_each_safe(node, next, &acpi_wakeup_device_list) { struct acpi_device *dev = container_of(node, struct acpi_device, wakeup_list); if (device_can_wakeup(&dev->dev)) { /* Button GPEs are supposed to be always enabled. */ acpi_enable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number); device_set_wakeup_enable(&dev->dev, true); } } mutex_unlock(&acpi_device_lock); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
len brownlen brown6265.96%125.00%
rafael j. wysockirafael j. wysocki3031.91%250.00%
li shaohuali shaohua22.13%125.00%
Total94100.00%4100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
len brownlen brown22964.87%533.33%
rafael j. wysockirafael j. wysocki10730.31%640.00%
alexey starikovskiyalexey starikovskiy92.55%16.67%
li shaohuali shaohua30.85%16.67%
bjorn helgaasbjorn helgaas30.85%16.67%
lin minglin ming20.57%16.67%
Total353100.00%15100.00%
Directory: drivers/acpi
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