static ssize_t store_online(struct sys_device *dev, const char *buf,
size_t count)
{
struct cpu *cpu = container_of(dev, struct cpu, sysdev);
ssize_t ret;
switch (buf[0]) {
case '0':
ret = cpu_down(cpu->sysdev.id);
if (!ret)
kobject_hotplug(&dev->kobj, KOBJ_OFFLINE);
break;
case '1':
ret = smp_prepare_cpu(cpu->sysdev.id);
if (!ret)
ret = cpu_up(cpu->sysdev.id);
if (!ret)
kobject_hotplug(&dev->kobj, KOBJ_ONLINE);
break;
default:
ret = -EINVAL;
}
if (ret >= 0)
ret = count;
return ret;
}
static
int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device)
{
acpi_handle phandle;
struct acpi_device *pdev;
struct acpi_processor *pr;
ACPI_FUNCTION_TRACE("acpi_processor_device_add");
if (acpi_get_parent(handle, &phandle)) {
return_VALUE(-ENODEV);
}
if (acpi_bus_get_device(phandle, &pdev)) {
return_VALUE(-ENODEV);
}
if (acpi_bus_add(device, pdev, handle, ACPI_BUS_TYPE_PROCESSOR)) {
return_VALUE(-ENODEV);
}
acpi_bus_start(*device);
pr = acpi_driver_data(*device);
if (!pr)
return_VALUE(-ENODEV);
if ((pr->id >= 0) && (pr->id < NR_CPUS)) {
kobject_hotplug(&(*device)->kobj, KOBJ_ONLINE);
}
return_VALUE(0);
}
static void container_notify_cb(acpi_handle handle, u32 type, void *context)
{
struct acpi_device *device = NULL;
int result;
int present;
acpi_status status;
ACPI_FUNCTION_TRACE("container_notify_cb");
present = is_device_present(handle);
switch (type) {
case ACPI_NOTIFY_BUS_CHECK:
/* Fall through */
case ACPI_NOTIFY_DEVICE_CHECK:
printk("Container driver received %s event\n",
(type == ACPI_NOTIFY_BUS_CHECK) ?
"ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK");
status = acpi_bus_get_device(handle, &device);
if (present) {
if (ACPI_FAILURE(status) || !device) {
result = container_device_add(&device, handle);
if (!result)
kobject_hotplug(&device->kobj,
KOBJ_ONLINE);
else
printk("Failed to add container\n");
}
} else {
if (ACPI_SUCCESS(status)) {
/* device exist and this is a remove request */
kobject_hotplug(&device->kobj, KOBJ_OFFLINE);
}
}
break;
case ACPI_NOTIFY_EJECT_REQUEST:
if (!acpi_bus_get_device(handle, &device) && device) {
kobject_hotplug(&device->kobj, KOBJ_OFFLINE);
}
break;
default:
break;
}
return_VOID;
}
/**
* device_add - add device to device hierarchy.
* @dev: device.
*
* This is part 2 of device_register(), though may be called
* separately _iff_ device_initialize() has been called separately.
*
* This adds it to the kobject hierarchy via kobject_add(), adds it
* to the global and sibling lists for the device, then
* adds it to the other relevant subsystems of the driver model.
*/
int device_add(struct device *dev)
{
struct device *parent = NULL;
int error = -EINVAL;
dev = get_device(dev);
if (!dev || !strlen(dev->bus_id))
goto Error;
parent = get_device(dev->parent);
pr_debug("DEV: registering device: ID = '%s'\n", dev->bus_id);
/* first, register with generic layer. */
kobject_set_name(&dev->kobj, "%s", dev->bus_id);
if (parent)
dev->kobj.parent = &parent->kobj;
if ((error = kobject_add(&dev->kobj)))
goto Error;
kobject_hotplug(&dev->kobj, KOBJ_ADD);
if ((error = device_pm_add(dev)))
goto PMError;
if ((error = bus_add_device(dev)))
goto BusError;
if (parent)
klist_add_tail(&parent->klist_children, &dev->knode_parent);
/* notify platform of device entry */
if (platform_notify)
platform_notify(dev);
Done:
put_device(dev);
return error;
BusError:
device_pm_remove(dev);
PMError:
kobject_hotplug(&dev->kobj, KOBJ_REMOVE);
kobject_del(&dev->kobj);
Error:
if (parent)
put_device(parent);
goto Done;
}
void Linkdown_workitem_callback(struct work_struct *work)
{
struct mlme_priv *pmlmepriv = container_of(work, struct mlme_priv, Linkdown_workitem);
_adapter *padapter = container_of(pmlmepriv, _adapter, mlmepriv);
_func_enter_;
RT_TRACE(_module_mlme_osdep_c_,_drv_info_,("+ Linkdown_workitem_callback\n"));
kobject_hotplug(&padapter->pnetdev->class_dev.kobj, KOBJ_LINKDOWN);
_func_exit_;
}
void Linkdown_workitem_callback(struct work_struct *work)
{
struct mlme_priv *pmlmepriv = container_of(work, struct mlme_priv, Linkdown_workitem);
_adapter *padapter = container_of(pmlmepriv, _adapter, mlmepriv);
_func_enter_;
RT_TRACE(_module_mlme_osdep_c_,_drv_info_,("+ Linkdown_workitem_callback\n"));
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12))
kobject_uevent(&padapter->pnetdev->dev.kobj, KOBJ_LINKDOWN);
#else
kobject_hotplug(&padapter->pnetdev->class_dev.kobj, KOBJ_LINKDOWN);
#endif
_func_exit_;
}
void device_del(struct device * dev)
{
struct device * parent = dev->parent;
if (parent)
klist_del(&dev->knode_parent);
/* Notify the platform of the removal, in case they
* need to do anything...
*/
if (platform_notify_remove)
platform_notify_remove(dev);
bus_remove_device(dev);
device_pm_remove(dev);
kobject_hotplug(&dev->kobj, KOBJ_REMOVE);
kobject_del(&dev->kobj);
if (parent)
put_device(parent);
}
static void
acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data)
{
struct acpi_processor *pr;
struct acpi_device *device = NULL;
int result;
ACPI_FUNCTION_TRACE("acpi_processor_hotplug_notify");
switch (event) {
case ACPI_NOTIFY_BUS_CHECK:
case ACPI_NOTIFY_DEVICE_CHECK:
printk("Processor driver received %s event\n",
(event == ACPI_NOTIFY_BUS_CHECK) ?
"ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK");
if (!is_processor_present(handle))
break;
if (acpi_bus_get_device(handle, &device)) {
result = acpi_processor_device_add(handle, &device);
if (result)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to add the device\n"));
break;
}
pr = acpi_driver_data(device);
if (!pr) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Driver data is NULL\n"));
break;
}
if (pr->id >= 0 && (pr->id < NR_CPUS)) {
kobject_hotplug(&device->kobj, KOBJ_OFFLINE);
break;
}
result = acpi_processor_start(device);
if ((!result) && ((pr->id >= 0) && (pr->id < NR_CPUS))) {
kobject_hotplug(&device->kobj, KOBJ_ONLINE);
} else {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Device [%s] failed to start\n",
acpi_device_bid(device)));
}
break;
case ACPI_NOTIFY_EJECT_REQUEST:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"received ACPI_NOTIFY_EJECT_REQUEST\n"));
if (acpi_bus_get_device(handle, &device)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Device don't exist, dropping EJECT\n"));
break;
}
pr = acpi_driver_data(device);
if (!pr) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Driver data is NULL, dropping EJECT\n"));
return_VOID;
}
if ((pr->id < NR_CPUS) && (cpu_present(pr->id)))
kobject_hotplug(&device->kobj, KOBJ_OFFLINE);
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Unsupported event [0x%x]\n", event));
break;
}
return_VOID;
}
static void dm_CheckPbcGPIO(_adapter *padapter)
{
u8 tmp1byte;
u8 bPbcPressed = _FALSE;
if(!padapter->registrypriv.hw_wps_pbc)
return;
#ifdef CONFIG_USB_HCI
tmp1byte = rtw_read8(padapter, GPIO_IO_SEL);
tmp1byte |= (HAL_8192C_HW_GPIO_WPS_BIT);
rtw_write8(padapter, GPIO_IO_SEL, tmp1byte); //enable GPIO[2] as output mode
tmp1byte &= ~(HAL_8192C_HW_GPIO_WPS_BIT);
rtw_write8(padapter, GPIO_IN, tmp1byte); //reset the floating voltage level
tmp1byte = rtw_read8(padapter, GPIO_IO_SEL);
tmp1byte &= ~(HAL_8192C_HW_GPIO_WPS_BIT);
rtw_write8(padapter, GPIO_IO_SEL, tmp1byte); //enable GPIO[2] as input mode
tmp1byte =rtw_read8(padapter, GPIO_IN);
if (tmp1byte == 0xff)
return ;
if (tmp1byte&HAL_8192C_HW_GPIO_WPS_BIT)
{
bPbcPressed = _TRUE;
}
#else
tmp1byte = rtw_read8(padapter, GPIO_IN);
//RT_TRACE(COMP_IO, DBG_TRACE, ("dm_CheckPbcGPIO - %x\n", tmp1byte));
if (tmp1byte == 0xff || padapter->init_adpt_in_progress)
return ;
if((tmp1byte&HAL_8192C_HW_GPIO_WPS_BIT)==0)
{
bPbcPressed = _TRUE;
}
#endif
if( _TRUE == bPbcPressed)
{
// Here we only set bPbcPressed to true
// After trigger PBC, the variable will be set to false
DBG_8192C("CheckPbcGPIO - PBC is pressed\n");
#ifdef RTK_DMP_PLATFORM
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12))
kobject_uevent(&padapter->pnetdev->dev.kobj, KOBJ_NET_PBC);
#else
kobject_hotplug(&padapter->pnetdev->class_dev.kobj, KOBJ_NET_PBC);
#endif
#else
if ( padapter->pid[0] == 0 )
{ // 0 is the default value and it means the application monitors the HW PBC doesn't privde its pid to driver.
return;
}
#ifdef PLATFORM_LINUX
rtw_signal_process(padapter->pid[0], SIGUSR1);
#endif
#endif
}
}
