#define _COMPONENT ACPI_MEMORY_DEVICE_COMPONENT
+#undef PREFIX
+#define PREFIX "ACPI:memory_hp:"
+
ACPI_MODULE_NAME("acpi_memhotplug");
MODULE_DESCRIPTION("Hotplug Mem Driver");
static int acpi_memory_device_add(struct acpi_device *device);
static int acpi_memory_device_remove(struct acpi_device *device, int type);
- static int acpi_memory_device_start(struct acpi_device *device);
static const struct acpi_device_id memory_device_ids[] = {
{ACPI_MEMORY_DEVICE_HID, 0},
.ops = {
.add = acpi_memory_device_add,
.remove = acpi_memory_device_remove,
- .start = acpi_memory_device_start,
},
};
acpi_handle phandle;
struct acpi_device *device = NULL;
struct acpi_device *pdevice = NULL;
+ int result;
if (!acpi_bus_get_device(handle, &device) && device)
}
/* Get the parent device */
- status = acpi_bus_get_device(phandle, &pdevice);
- if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "Cannot get acpi bus device"));
+ result = acpi_bus_get_device(phandle, &pdevice);
+ if (result) {
+ printk(KERN_WARNING PREFIX "Cannot get acpi bus device");
return -EINVAL;
}
* Now add the notified device. This creates the acpi_device
* and invokes .add function
*/
- status = acpi_bus_add(&device, pdevice, handle, ACPI_BUS_TYPE_DEVICE);
- if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "Cannot add acpi bus"));
+ result = acpi_bus_add(&device, pdevice, handle, ACPI_BUS_TYPE_DEVICE);
+ if (result) {
+ printk(KERN_WARNING PREFIX "Cannot add acpi bus");
return -EINVAL;
}
num_enabled++;
continue;
}
-
+ /*
+ * If the memory block size is zero, please ignore it.
+ * Don't try to do the following memory hotplug flowchart.
+ */
+ if (!info->length)
+ continue;
if (node < 0)
node = memory_add_physaddr_to_nid(info->start_addr);
mem_device->state = MEMORY_INVALID_STATE;
return -EINVAL;
}
-
- return result;
+ /*
+ * Sometimes the memory device will contain several memory blocks.
+ * When one memory block is hot-added to the system memory, it will
+ * be regarded as a success.
+ * Otherwise if the last memory block can't be hot-added to the system
+ * memory, it will be failure and the memory device can't be bound with
+ * driver.
+ */
+ return 0;
}
static int acpi_memory_powerdown_device(struct acpi_memory_device *mem_device)
printk(KERN_DEBUG "%s \n", acpi_device_name(device));
- return result;
- }
-
- static int acpi_memory_device_remove(struct acpi_device *device, int type)
- {
- struct acpi_memory_device *mem_device = NULL;
-
-
- if (!device || !acpi_driver_data(device))
- return -EINVAL;
-
- mem_device = acpi_driver_data(device);
- kfree(mem_device);
-
- return 0;
- }
-
- static int acpi_memory_device_start (struct acpi_device *device)
- {
- struct acpi_memory_device *mem_device;
- int result = 0;
-
/*
* Early boot code has recognized memory area by EFI/E820.
* If DSDT shows these memory devices on boot, hotplug is not necessary
if (!acpi_hotmem_initialized)
return 0;
- mem_device = acpi_driver_data(device);
-
if (!acpi_memory_check_device(mem_device)) {
/* call add_memory func */
result = acpi_memory_enable_device(mem_device);
return result;
}
+ static int acpi_memory_device_remove(struct acpi_device *device, int type)
+ {
+ struct acpi_memory_device *mem_device = NULL;
+
+
+ if (!device || !acpi_driver_data(device))
+ return -EINVAL;
+
+ mem_device = acpi_driver_data(device);
+ kfree(mem_device);
+
+ return 0;
+ }
+
/*
* Helper function to check for memory device
*/
{
char *hardware_id;
acpi_status status;
- struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
struct acpi_device_info *info;
-
- status = acpi_get_object_info(handle, &buffer);
+ status = acpi_get_object_info(handle, &info);
if (ACPI_FAILURE(status))
return status;
- info = buffer.pointer;
if (!(info->valid & ACPI_VALID_HID)) {
- kfree(buffer.pointer);
+ kfree(info);
return AE_ERROR;
}
- hardware_id = info->hardware_id.value;
+ hardware_id = info->hardware_id.string;
if ((hardware_id == NULL) ||
(strcmp(hardware_id, ACPI_MEMORY_DEVICE_HID)))
status = AE_ERROR;
- kfree(buffer.pointer);
+ kfree(info);
return status;
}
#define ACPI_EC_DEVICE_NAME "Embedded Controller"
#define ACPI_EC_FILE_INFO "info"
-#undef PREFIX
#define PREFIX "ACPI: EC: "
/* EC status register */
return AE_CTRL_TERMINATE;
}
+ static int ec_install_handlers(struct acpi_ec *ec)
+ {
+ acpi_status status;
+ if (test_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags))
+ return 0;
+ status = acpi_install_gpe_handler(NULL, ec->gpe,
+ ACPI_GPE_EDGE_TRIGGERED,
+ &acpi_ec_gpe_handler, ec);
+ if (ACPI_FAILURE(status))
+ return -ENODEV;
+ acpi_set_gpe_type(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME);
+ acpi_enable_gpe(NULL, ec->gpe);
+ status = acpi_install_address_space_handler(ec->handle,
+ ACPI_ADR_SPACE_EC,
+ &acpi_ec_space_handler,
+ NULL, ec);
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_NOT_FOUND) {
+ /*
+ * Maybe OS fails in evaluating the _REG object.
+ * The AE_NOT_FOUND error will be ignored and OS
+ * continue to initialize EC.
+ */
+ printk(KERN_ERR "Fail in evaluating the _REG object"
+ " of EC device. Broken bios is suspected.\n");
+ } else {
+ acpi_remove_gpe_handler(NULL, ec->gpe,
+ &acpi_ec_gpe_handler);
+ return -ENODEV;
+ }
+ }
+
+ set_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags);
+ return 0;
+ }
+
static void ec_remove_handlers(struct acpi_ec *ec)
{
if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle,
static int acpi_ec_add(struct acpi_device *device)
{
struct acpi_ec *ec = NULL;
+ int ret;
- if (!device)
- return -EINVAL;
strcpy(acpi_device_name(device), ACPI_EC_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_EC_CLASS);
ec->gpe, ec->command_addr, ec->data_addr);
pr_info(PREFIX "driver started in %s mode\n",
(test_bit(EC_FLAGS_GPE_MODE, &ec->flags))?"interrupt":"poll");
- return 0;
+
+ ret = ec_install_handlers(ec);
+
+ /* EC is fully operational, allow queries */
+ clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
+ return ret;
}
static int acpi_ec_remove(struct acpi_device *device, int type)
return -EINVAL;
ec = acpi_driver_data(device);
+ ec_remove_handlers(ec);
mutex_lock(&ec->lock);
list_for_each_entry_safe(handler, tmp, &ec->list, node) {
list_del(&handler->node);
return AE_OK;
}
- static int ec_install_handlers(struct acpi_ec *ec)
- {
- acpi_status status;
- if (test_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags))
- return 0;
- status = acpi_install_gpe_handler(NULL, ec->gpe,
- ACPI_GPE_EDGE_TRIGGERED,
- &acpi_ec_gpe_handler, ec);
- if (ACPI_FAILURE(status))
- return -ENODEV;
- acpi_set_gpe_type(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME);
- acpi_enable_gpe(NULL, ec->gpe);
- status = acpi_install_address_space_handler(ec->handle,
- ACPI_ADR_SPACE_EC,
- &acpi_ec_space_handler,
- NULL, ec);
- if (ACPI_FAILURE(status)) {
- if (status == AE_NOT_FOUND) {
- /*
- * Maybe OS fails in evaluating the _REG object.
- * The AE_NOT_FOUND error will be ignored and OS
- * continue to initialize EC.
- */
- printk(KERN_ERR "Fail in evaluating the _REG object"
- " of EC device. Broken bios is suspected.\n");
- } else {
- acpi_remove_gpe_handler(NULL, ec->gpe,
- &acpi_ec_gpe_handler);
- return -ENODEV;
- }
- }
-
- set_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags);
- return 0;
- }
-
- static int acpi_ec_start(struct acpi_device *device)
- {
- struct acpi_ec *ec;
- int ret = 0;
-
- if (!device)
- return -EINVAL;
-
- ec = acpi_driver_data(device);
-
- if (!ec)
- return -EINVAL;
-
- ret = ec_install_handlers(ec);
-
- /* EC is fully operational, allow queries */
- clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
- return ret;
- }
-
- static int acpi_ec_stop(struct acpi_device *device, int type)
- {
- struct acpi_ec *ec;
- if (!device)
- return -EINVAL;
- ec = acpi_driver_data(device);
- if (!ec)
- return -EINVAL;
- ec_remove_handlers(ec);
-
- return 0;
- }
-
int __init acpi_boot_ec_enable(void)
{
if (!boot_ec || test_bit(EC_FLAGS_HANDLERS_INSTALLED, &boot_ec->flags))
.ops = {
.add = acpi_ec_add,
.remove = acpi_ec_remove,
- .start = acpi_ec_start,
- .stop = acpi_ec_stop,
.suspend = acpi_ec_suspend,
.resume = acpi_ec_resume,
},
#include <acpi/acpi_drivers.h>
#include <acpi/processor.h>
+#define PREFIX "ACPI: "
+
#define ACPI_PROCESSOR_CLASS "processor"
#define ACPI_PROCESSOR_DEVICE_NAME "Processor"
#define ACPI_PROCESSOR_FILE_INFO "info"
MODULE_LICENSE("GPL");
static int acpi_processor_add(struct acpi_device *device);
- static int acpi_processor_start(struct acpi_device *device);
static int acpi_processor_remove(struct acpi_device *device, int type);
static int acpi_processor_info_open_fs(struct inode *inode, struct file *file);
static void acpi_processor_notify(struct acpi_device *device, u32 event);
.ops = {
.add = acpi_processor_add,
.remove = acpi_processor_remove,
- .start = acpi_processor_start,
.suspend = acpi_processor_suspend,
.resume = acpi_processor_resume,
.notify = acpi_processor_notify,
static DEFINE_PER_CPU(void *, processor_device_array);
- static int __cpuinit acpi_processor_start(struct acpi_device *device)
- {
- int result = 0;
- struct acpi_processor *pr;
- struct sys_device *sysdev;
-
- pr = acpi_driver_data(device);
-
- result = acpi_processor_get_info(device);
- if (result) {
- /* Processor is physically not present */
- return 0;
- }
-
- BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0));
-
- /*
- * Buggy BIOS check
- * ACPI id of processors can be reported wrongly by the BIOS.
- * Don't trust it blindly
- */
- if (per_cpu(processor_device_array, pr->id) != NULL &&
- per_cpu(processor_device_array, pr->id) != device) {
- printk(KERN_WARNING "BIOS reported wrong ACPI id "
- "for the processor\n");
- return -ENODEV;
- }
- per_cpu(processor_device_array, pr->id) = device;
-
- per_cpu(processors, pr->id) = pr;
-
- result = acpi_processor_add_fs(device);
- if (result)
- goto end;
-
- sysdev = get_cpu_sysdev(pr->id);
- if (sysfs_create_link(&device->dev.kobj, &sysdev->kobj, "sysdev"))
- return -EFAULT;
-
- /* _PDC call should be done before doing anything else (if reqd.). */
- arch_acpi_processor_init_pdc(pr);
- acpi_processor_set_pdc(pr);
- arch_acpi_processor_cleanup_pdc(pr);
-
- #ifdef CONFIG_CPU_FREQ
- acpi_processor_ppc_has_changed(pr);
- #endif
- acpi_processor_get_throttling_info(pr);
- acpi_processor_get_limit_info(pr);
-
-
- acpi_processor_power_init(pr, device);
-
- pr->cdev = thermal_cooling_device_register("Processor", device,
- &processor_cooling_ops);
- if (IS_ERR(pr->cdev)) {
- result = PTR_ERR(pr->cdev);
- goto end;
- }
-
- dev_info(&device->dev, "registered as cooling_device%d\n",
- pr->cdev->id);
-
- result = sysfs_create_link(&device->dev.kobj,
- &pr->cdev->device.kobj,
- "thermal_cooling");
- if (result)
- printk(KERN_ERR PREFIX "Create sysfs link\n");
- result = sysfs_create_link(&pr->cdev->device.kobj,
- &device->dev.kobj,
- "device");
- if (result)
- printk(KERN_ERR PREFIX "Create sysfs link\n");
-
- if (pr->flags.throttling) {
- printk(KERN_INFO PREFIX "%s [%s] (supports",
- acpi_device_name(device), acpi_device_bid(device));
- printk(" %d throttling states", pr->throttling.state_count);
- printk(")\n");
- }
-
- end:
-
- return result;
- }
-
static void acpi_processor_notify(struct acpi_device *device, u32 event)
{
struct acpi_processor *pr = acpi_driver_data(device);
static int acpi_processor_add(struct acpi_device *device)
{
struct acpi_processor *pr = NULL;
-
-
- if (!device)
- return -EINVAL;
+ int result = 0;
+ struct sys_device *sysdev;
pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL);
if (!pr)
strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS);
device->driver_data = pr;
+ result = acpi_processor_get_info(device);
+ if (result) {
+ /* Processor is physically not present */
+ return 0;
+ }
+
+ BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0));
+
+ /*
+ * Buggy BIOS check
+ * ACPI id of processors can be reported wrongly by the BIOS.
+ * Don't trust it blindly
+ */
+ if (per_cpu(processor_device_array, pr->id) != NULL &&
+ per_cpu(processor_device_array, pr->id) != device) {
+ printk(KERN_WARNING "BIOS reported wrong ACPI id "
+ "for the processor\n");
+ result = -ENODEV;
+ goto err_free_cpumask;
+ }
+ per_cpu(processor_device_array, pr->id) = device;
+
+ per_cpu(processors, pr->id) = pr;
+
+ result = acpi_processor_add_fs(device);
+ if (result)
+ goto err_free_cpumask;
+
+ sysdev = get_cpu_sysdev(pr->id);
+ if (sysfs_create_link(&device->dev.kobj, &sysdev->kobj, "sysdev")) {
+ result = -EFAULT;
+ goto err_remove_fs;
+ }
+
+ /* _PDC call should be done before doing anything else (if reqd.). */
+ arch_acpi_processor_init_pdc(pr);
+ acpi_processor_set_pdc(pr);
+ arch_acpi_processor_cleanup_pdc(pr);
+
+ #ifdef CONFIG_CPU_FREQ
+ acpi_processor_ppc_has_changed(pr);
+ #endif
+ acpi_processor_get_throttling_info(pr);
+ acpi_processor_get_limit_info(pr);
+
+
+ acpi_processor_power_init(pr, device);
+
+ pr->cdev = thermal_cooling_device_register("Processor", device,
+ &processor_cooling_ops);
+ if (IS_ERR(pr->cdev)) {
+ result = PTR_ERR(pr->cdev);
+ goto err_power_exit;
+ }
+
+ dev_info(&device->dev, "registered as cooling_device%d\n",
+ pr->cdev->id);
+
+ result = sysfs_create_link(&device->dev.kobj,
+ &pr->cdev->device.kobj,
+ "thermal_cooling");
+ if (result) {
+ printk(KERN_ERR PREFIX "Create sysfs link\n");
+ goto err_thermal_unregister;
+ }
+ result = sysfs_create_link(&pr->cdev->device.kobj,
+ &device->dev.kobj,
+ "device");
+ if (result) {
+ printk(KERN_ERR PREFIX "Create sysfs link\n");
+ goto err_remove_sysfs;
+ }
+
+ if (pr->flags.throttling) {
+ printk(KERN_INFO PREFIX "%s [%s] (supports",
+ acpi_device_name(device), acpi_device_bid(device));
+ printk(" %d throttling states", pr->throttling.state_count);
+ printk(")\n");
+ }
+
return 0;
+
+ err_remove_sysfs:
+ sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
+ err_thermal_unregister:
+ thermal_cooling_device_unregister(pr->cdev);
+ err_power_exit:
+ acpi_processor_power_exit(pr, device);
+ err_remove_fs:
+ acpi_processor_remove_fs(device);
+ err_free_cpumask:
+ free_cpumask_var(pr->throttling.shared_cpu_map);
+
+ return result;
}
static int acpi_processor_remove(struct acpi_device *device, int type)
{
acpi_handle phandle;
struct acpi_device *pdev;
- struct acpi_processor *pr;
if (acpi_get_parent(handle, &phandle)) {
return -ENODEV;
}
- acpi_bus_start(*device);
-
- pr = acpi_driver_data(*device);
- if (!pr)
- return -ENODEV;
-
- if ((pr->id >= 0) && (pr->id < nr_cpu_ids)) {
- kobject_uevent(&(*device)->dev.kobj, KOBJ_ONLINE);
- }
return 0;
}
"Unable to add the device\n");
break;
}
-
- pr = acpi_driver_data(device);
- if (!pr) {
- printk(KERN_ERR PREFIX "Driver data is NULL\n");
- break;
- }
-
- if (pr->id >= 0 && (pr->id < nr_cpu_ids)) {
- kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
- break;
- }
-
- result = acpi_processor_start(device);
- if ((!result) && ((pr->id >= 0) && (pr->id < nr_cpu_ids))) {
- kobject_uevent(&device->dev.kobj, KOBJ_ONLINE);
- } else {
- printk(KERN_ERR PREFIX "Device [%s] failed to start\n",
- acpi_device_bid(device));
- }
break;
case ACPI_NOTIFY_EJECT_REQUEST:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Driver data is NULL, dropping EJECT\n");
return;
}
-
- if ((pr->id < nr_cpu_ids) && (cpu_present(pr->id)))
- kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
{
int result = 0;
+ if (acpi_disabled)
+ return 0;
+
memset(&errata, 0, sizeof(errata));
#ifdef CONFIG_SMP
static void __exit acpi_processor_exit(void)
{
+ if (acpi_disabled)
+ return;
+
acpi_processor_ppc_exit();
acpi_thermal_cpufreq_exit();
}
if (acpi_dev->flags.compatible_ids) {
- struct acpi_compatible_id_list *cid_list;
+ struct acpica_device_id_list *cid_list;
int i;
cid_list = acpi_dev->pnp.cid_list;
for (i = 0; i < cid_list->count; i++) {
count = snprintf(&modalias[len], size, "%s:",
- cid_list->id[i].value);
+ cid_list->ids[i].string);
if (count < 0 || count >= size) {
printk(KERN_ERR PREFIX "%s cid[%i] exceeds event buffer size",
acpi_dev->pnp.device_name, i);
}
if (device->flags.compatible_ids) {
- struct acpi_compatible_id_list *cid_list = device->pnp.cid_list;
+ struct acpica_device_id_list *cid_list = device->pnp.cid_list;
int i;
for (id = ids; id->id[0]; id++) {
/* compare multiple _CID entries against driver ids */
for (i = 0; i < cid_list->count; i++) {
if (!strcmp((char*)id->id,
- cid_list->id[i].value))
+ cid_list->ids[i].string))
return 0;
}
}
struct acpi_device *acpi_dev = to_acpi_device(dev);
kfree(acpi_dev->pnp.cid_list);
+ if (acpi_dev->flags.hardware_id)
+ kfree(acpi_dev->pnp.hardware_id);
+ if (acpi_dev->flags.unique_id)
+ kfree(acpi_dev->pnp.unique_id);
kfree(acpi_dev);
}
if (acpi_drv->ops.notify) {
ret = acpi_device_install_notify_handler(acpi_dev);
if (ret) {
- if (acpi_drv->ops.stop)
- acpi_drv->ops.stop(acpi_dev,
- acpi_dev->removal_type);
if (acpi_drv->ops.remove)
acpi_drv->ops.remove(acpi_dev,
acpi_dev->removal_type);
if (acpi_drv) {
if (acpi_drv->ops.notify)
acpi_device_remove_notify_handler(acpi_dev);
- if (acpi_drv->ops.stop)
- acpi_drv->ops.stop(acpi_dev, acpi_dev->removal_type);
if (acpi_drv->ops.remove)
acpi_drv->ops.remove(acpi_dev, acpi_dev->removal_type);
}
}
EXPORT_SYMBOL_GPL(acpi_bus_get_ejd);
-void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context)
+void acpi_bus_data_handler(acpi_handle handle, void *context)
{
/* TBD */
kfree(buffer.pointer);
device->wakeup.flags.valid = 1;
+ device->wakeup.prepare_count = 0;
/* Call _PSW/_DSW object to disable its ability to wake the sleeping
* system for the ACPI device with the _PRW object.
* The _PSW object is depreciated in ACPI 3.0 and is replaced by _DSW.
return acpi_get_handle(device->handle, "_DCK", &tmp);
}
+static struct acpica_device_id_list*
+acpi_add_cid(
+ struct acpi_device_info *info,
+ struct acpica_device_id *new_cid)
+{
+ struct acpica_device_id_list *cid;
+ char *next_id_string;
+ acpi_size cid_length;
+ acpi_size new_cid_length;
+ u32 i;
+
+
+ /* Allocate new CID list with room for the new CID */
+
+ if (!new_cid)
+ new_cid_length = info->compatible_id_list.list_size;
+ else if (info->compatible_id_list.list_size)
+ new_cid_length = info->compatible_id_list.list_size +
+ new_cid->length + sizeof(struct acpica_device_id);
+ else
+ new_cid_length = sizeof(struct acpica_device_id_list) + new_cid->length;
+
+ cid = ACPI_ALLOCATE_ZEROED(new_cid_length);
+ if (!cid) {
+ return NULL;
+ }
+
+ cid->list_size = new_cid_length;
+ cid->count = info->compatible_id_list.count;
+ if (new_cid)
+ cid->count++;
+ next_id_string = (char *) cid->ids + (cid->count * sizeof(struct acpica_device_id));
+
+ /* Copy all existing CIDs */
+
+ for (i = 0; i < info->compatible_id_list.count; i++) {
+ cid_length = info->compatible_id_list.ids[i].length;
+ cid->ids[i].string = next_id_string;
+ cid->ids[i].length = cid_length;
+
+ ACPI_MEMCPY(next_id_string, info->compatible_id_list.ids[i].string,
+ cid_length);
+
+ next_id_string += cid_length;
+ }
+
+ /* Append the new CID */
+
+ if (new_cid) {
+ cid->ids[i].string = next_id_string;
+ cid->ids[i].length = new_cid->length;
+
+ ACPI_MEMCPY(next_id_string, new_cid->string, new_cid->length);
+ }
+
+ return cid;
+}
+
static void acpi_device_set_id(struct acpi_device *device,
struct acpi_device *parent, acpi_handle handle,
int type)
{
- struct acpi_device_info *info;
- struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ struct acpi_device_info *info = NULL;
char *hid = NULL;
char *uid = NULL;
- struct acpi_compatible_id_list *cid_list = NULL;
- const char *cid_add = NULL;
+ struct acpica_device_id_list *cid_list = NULL;
+ char *cid_add = NULL;
acpi_status status;
switch (type) {
case ACPI_BUS_TYPE_DEVICE:
- status = acpi_get_object_info(handle, &buffer);
+ status = acpi_get_object_info(handle, &info);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR PREFIX "%s: Error reading device info\n", __func__);
return;
}
- info = buffer.pointer;
if (info->valid & ACPI_VALID_HID)
- hid = info->hardware_id.value;
+ hid = info->hardware_id.string;
if (info->valid & ACPI_VALID_UID)
- uid = info->unique_id.value;
+ uid = info->unique_id.string;
if (info->valid & ACPI_VALID_CID)
- cid_list = &info->compatibility_id;
+ cid_list = &info->compatible_id_list;
if (info->valid & ACPI_VALID_ADR) {
device->pnp.bus_address = info->address;
device->flags.bus_address = 1;
}
if (hid) {
- strcpy(device->pnp.hardware_id, hid);
- device->flags.hardware_id = 1;
+ device->pnp.hardware_id = ACPI_ALLOCATE_ZEROED(strlen (hid) + 1);
+ if (device->pnp.hardware_id) {
+ strcpy(device->pnp.hardware_id, hid);
+ device->flags.hardware_id = 1;
+ }
}
+ if (!device->flags.hardware_id)
+ device->pnp.hardware_id = "";
+
if (uid) {
- strcpy(device->pnp.unique_id, uid);
- device->flags.unique_id = 1;
+ device->pnp.unique_id = ACPI_ALLOCATE_ZEROED(strlen (uid) + 1);
+ if (device->pnp.unique_id) {
+ strcpy(device->pnp.unique_id, uid);
+ device->flags.unique_id = 1;
+ }
}
+ if (!device->flags.unique_id)
+ device->pnp.unique_id = "";
+
if (cid_list || cid_add) {
- struct acpi_compatible_id_list *list;
- int size = 0;
- int count = 0;
-
- if (cid_list) {
- size = cid_list->size;
- } else if (cid_add) {
- size = sizeof(struct acpi_compatible_id_list);
- cid_list = ACPI_ALLOCATE_ZEROED((acpi_size) size);
- if (!cid_list) {
- printk(KERN_ERR "Memory allocation error\n");
- kfree(buffer.pointer);
- return;
- } else {
- cid_list->count = 0;
- cid_list->size = size;
- }
+ struct acpica_device_id_list *list;
+
+ if (cid_add) {
+ struct acpica_device_id cid;
+ cid.length = strlen (cid_add) + 1;
+ cid.string = cid_add;
+
+ list = acpi_add_cid(info, &cid);
+ } else {
+ list = acpi_add_cid(info, NULL);
}
- if (cid_add)
- size += sizeof(struct acpi_compatible_id);
- list = kmalloc(size, GFP_KERNEL);
if (list) {
- if (cid_list) {
- memcpy(list, cid_list, cid_list->size);
- count = cid_list->count;
- }
- if (cid_add) {
- strncpy(list->id[count].value, cid_add,
- ACPI_MAX_CID_LENGTH);
- count++;
- device->flags.compatible_ids = 1;
- }
- list->size = size;
- list->count = count;
device->pnp.cid_list = list;
- } else
- printk(KERN_ERR PREFIX "Memory allocation error\n");
+ if (cid_add)
+ device->flags.compatible_ids = 1;
+ }
}
- kfree(buffer.pointer);
+ kfree(info);
}
static int acpi_device_set_context(struct acpi_device *device, int type)
*/
acpi_device_set_id(device, parent, handle, type);
- /*
- * The ACPI device is attached to acpi handle before getting
- * the power/wakeup/peformance flags. Otherwise OS can't get
- * the corresponding ACPI device by the acpi handle in the course
- * of getting the power/wakeup/performance flags.
- */
- result = acpi_device_set_context(device, type);
- if (result)
- goto end;
-
/*
* Power Management
* ----------------
goto end;
}
+ if ((result = acpi_device_set_context(device, type)))
+ goto end;
result = acpi_device_register(device, parent);
end:
if (!result)
*child = device;
- else {
- kfree(device->pnp.cid_list);
- kfree(device);
- }
+ else
+ acpi_device_release(&device->dev);
return result;
}
#include <acpi/acpi.h>
-#define PREFIX "ACPI: "
-
/* TBD: Make dynamic */
#define ACPI_MAX_HANDLES 10
struct acpi_handle_list {
typedef int (*acpi_op_add) (struct acpi_device * device);
typedef int (*acpi_op_remove) (struct acpi_device * device, int type);
typedef int (*acpi_op_start) (struct acpi_device * device);
- typedef int (*acpi_op_stop) (struct acpi_device * device, int type);
typedef int (*acpi_op_suspend) (struct acpi_device * device,
pm_message_t state);
typedef int (*acpi_op_resume) (struct acpi_device * device);
acpi_op_add add;
acpi_op_remove remove;
acpi_op_start start;
- acpi_op_stop stop;
acpi_op_suspend suspend;
acpi_op_resume resume;
acpi_op_bind bind;
typedef char acpi_bus_id[8];
typedef unsigned long acpi_bus_address;
-typedef char acpi_hardware_id[15];
-typedef char acpi_unique_id[9];
typedef char acpi_device_name[40];
typedef char acpi_device_class[20];
struct acpi_device_pnp {
acpi_bus_id bus_id; /* Object name */
acpi_bus_address bus_address; /* _ADR */
- acpi_hardware_id hardware_id; /* _HID */
- struct acpi_compatible_id_list *cid_list; /* _CIDs */
- acpi_unique_id unique_id; /* _UID */
+ char *hardware_id; /* _HID */
+ struct acpica_device_id_list *cid_list; /* _CIDs */
+ char *unique_id; /* _UID */
acpi_device_name device_name; /* Driver-determined */
acpi_device_class device_class; /* " */
};
/* Wakeup Management */
struct acpi_device_wakeup_flags {
u8 valid:1; /* Can successfully enable wakeup? */
- u8 prepared:1; /* Has the wake-up capability been enabled? */
u8 run_wake:1; /* Run-Wake GPE devices */
};
struct acpi_handle_list resources;
struct acpi_device_wakeup_state state;
struct acpi_device_wakeup_flags flags;
+ int prepare_count;
};
/* Device */
extern struct kobject *acpi_kobj;
extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int);
-void acpi_bus_private_data_handler(acpi_handle, u32, void *);
+void acpi_bus_private_data_handler(acpi_handle, void *);
int acpi_bus_get_private_data(acpi_handle, void **);
extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32);
extern int register_acpi_notifier(struct notifier_block *);
*/
int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device);
-void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context);
+void acpi_bus_data_handler(acpi_handle handle, void *context);
int acpi_bus_get_status(struct acpi_device *device);
int acpi_bus_get_power(acpi_handle handle, int *state);
int acpi_bus_set_power(acpi_handle handle, int state);
int unregister_acpi_bus_type(struct acpi_bus_type *);
struct device *acpi_get_physical_device(acpi_handle);
+struct acpi_pci_root {
+ struct list_head node;
+ struct acpi_device * device;
+ struct acpi_pci_id id;
+ struct pci_bus *bus;
+ u16 segment;
+ u8 bus_nr;
+
+ u32 osc_support_set; /* _OSC state of support bits */
+ u32 osc_control_set; /* _OSC state of control bits */
+ u32 osc_control_qry; /* the latest _OSC query result */
+
+ u32 osc_queried:1; /* has _OSC control been queried? */
+};
+
/* helper */
acpi_handle acpi_get_child(acpi_handle, acpi_integer);
int acpi_is_root_bridge(acpi_handle);
acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int);
+struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle);
#define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->archdata.acpi_handle))
#ifdef CONFIG_PM_SLEEP
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