Release 4.11 drivers/acpi/wakeup.c
/*
* 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
| Person | Tokens | Prop | Commits | CommitProp |
| Len Brown | 85 | 73.28% | 4 | 40.00% |
| Rafael J. Wysocki | 29 | 25.00% | 4 | 40.00% |
| Alexey Y. Starikovskiy | 1 | 0.86% | 1 | 10.00% |
| Lin Ming | 1 | 0.86% | 1 | 10.00% |
| Total | 116 | 100.00% | 10 | 100.00% |
/**
* 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
| Person | Tokens | Prop | Commits | CommitProp |
| Len Brown | 58 | 51.33% | 3 | 30.00% |
| Rafael J. Wysocki | 46 | 40.71% | 5 | 50.00% |
| Alexey Y. Starikovskiy | 8 | 7.08% | 1 | 10.00% |
| Lin Ming | 1 | 0.88% | 1 | 10.00% |
| Total | 113 | 100.00% | 10 | 100.00% |
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
| Person | Tokens | Prop | Commits | CommitProp |
| Len Brown | 62 | 65.96% | 1 | 25.00% |
| Rafael J. Wysocki | 30 | 31.91% | 2 | 50.00% |
| David Shaohua Li | 2 | 2.13% | 1 | 25.00% |
| Total | 94 | 100.00% | 4 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Len Brown | 229 | 64.87% | 5 | 33.33% |
| Rafael J. Wysocki | 107 | 30.31% | 6 | 40.00% |
| Alexey Y. Starikovskiy | 9 | 2.55% | 1 | 6.67% |
| David Shaohua Li | 3 | 0.85% | 1 | 6.67% |
| Björn Helgaas | 3 | 0.85% | 1 | 6.67% |
| Lin Ming | 2 | 0.57% | 1 | 6.67% |
| Total | 353 | 100.00% | 15 | 100.00% |
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