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[ACPI] Lindent all ACPI files

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Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown
2005-08-05 00:44:28 -04:00
parent c65ade4dc8
commit 4be44fcd3b
190 changed files with 24344 additions and 29290 deletions
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435
drivers/acpi/scan.c
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@@ -9,14 +9,10 @@
#include <acpi/acpi_drivers.h>
#include <acpi/acinterp.h> /* for acpi_ex_eisa_id_to_string() */
#define _COMPONENT ACPI_BUS_COMPONENT
ACPI_MODULE_NAME ("scan")
ACPI_MODULE_NAME("scan")
#define STRUCT_TO_INT(s) (*((int*)&s))
extern struct acpi_device *acpi_root;
extern struct acpi_device *acpi_root;
#define ACPI_BUS_CLASS "system_bus"
#define ACPI_BUS_HID "ACPI_BUS"
@@ -27,13 +23,11 @@ static LIST_HEAD(acpi_device_list);
DEFINE_SPINLOCK(acpi_device_lock);
LIST_HEAD(acpi_wakeup_device_list);
static int
acpi_bus_trim(struct acpi_device *start,
int rmdevice);
static int acpi_bus_trim(struct acpi_device *start, int rmdevice);
static void acpi_device_release(struct kobject * kobj)
static void acpi_device_release(struct kobject *kobj)
{
struct acpi_device * dev = container_of(kobj,struct acpi_device,kobj);
struct acpi_device *dev = container_of(kobj, struct acpi_device, kobj);
if (dev->pnp.cid_list)
kfree(dev->pnp.cid_list);
kfree(dev);
@@ -41,34 +35,34 @@ static void acpi_device_release(struct kobject * kobj)
struct acpi_device_attribute {
struct attribute attr;
ssize_t (*show)(struct acpi_device *, char *);
ssize_t (*store)(struct acpi_device *, const char *, size_t);
ssize_t(*show) (struct acpi_device *, char *);
ssize_t(*store) (struct acpi_device *, const char *, size_t);
};
typedef void acpi_device_sysfs_files(struct kobject *,
const struct attribute *);
const struct attribute *);
static void setup_sys_fs_device_files(struct acpi_device *dev,
acpi_device_sysfs_files *func);
acpi_device_sysfs_files * func);
#define create_sysfs_device_files(dev) \
setup_sys_fs_device_files(dev, (acpi_device_sysfs_files *)&sysfs_create_file)
#define remove_sysfs_device_files(dev) \
setup_sys_fs_device_files(dev, (acpi_device_sysfs_files *)&sysfs_remove_file)
#define to_acpi_device(n) container_of(n, struct acpi_device, kobj)
#define to_handle_attr(n) container_of(n, struct acpi_device_attribute, attr);
static ssize_t acpi_device_attr_show(struct kobject *kobj,
struct attribute *attr, char *buf)
struct attribute *attr, char *buf)
{
struct acpi_device *device = to_acpi_device(kobj);
struct acpi_device_attribute *attribute = to_handle_attr(attr);
return attribute->show ? attribute->show(device, buf) : -EIO;
}
static ssize_t acpi_device_attr_store(struct kobject *kobj,
struct attribute *attr, const char *buf, size_t len)
struct attribute *attr, const char *buf,
size_t len)
{
struct acpi_device *device = to_acpi_device(kobj);
struct acpi_device_attribute *attribute = to_handle_attr(attr);
@@ -76,13 +70,13 @@ static ssize_t acpi_device_attr_store(struct kobject *kobj,
}
static struct sysfs_ops acpi_device_sysfs_ops = {
.show = acpi_device_attr_show,
.store = acpi_device_attr_store,
.show = acpi_device_attr_show,
.store = acpi_device_attr_store,
};
static struct kobj_type ktype_acpi_ns = {
.sysfs_ops = &acpi_device_sysfs_ops,
.release = acpi_device_release,
.sysfs_ops = &acpi_device_sysfs_ops,
.release = acpi_device_release,
};
static int namespace_hotplug(struct kset *kset, struct kobject *kobj,
@@ -110,16 +104,16 @@ static struct kset_hotplug_ops namespace_hotplug_ops = {
};
static struct kset acpi_namespace_kset = {
.kobj = {
.name = "namespace",
},
.kobj = {
.name = "namespace",
},
.subsys = &acpi_subsys,
.ktype = &ktype_acpi_ns,
.ktype = &ktype_acpi_ns,
.hotplug_ops = &namespace_hotplug_ops,
};
static void acpi_device_register(struct acpi_device * device, struct acpi_device * parent)
static void acpi_device_register(struct acpi_device *device,
struct acpi_device *parent)
{
/*
* Linkage
@@ -134,14 +128,14 @@ static void acpi_device_register(struct acpi_device * device, struct acpi_device
spin_lock(&acpi_device_lock);
if (device->parent) {
list_add_tail(&device->node, &device->parent->children);
list_add_tail(&device->g_list,&device->parent->g_list);
list_add_tail(&device->g_list, &device->parent->g_list);
} else
list_add_tail(&device->g_list,&acpi_device_list);
list_add_tail(&device->g_list, &acpi_device_list);
if (device->wakeup.flags.valid)
list_add_tail(&device->wakeup_list,&acpi_wakeup_device_list);
list_add_tail(&device->wakeup_list, &acpi_wakeup_device_list);
spin_unlock(&acpi_device_lock);
strlcpy(device->kobj.name,device->pnp.bus_id,KOBJ_NAME_LEN);
strlcpy(device->kobj.name, device->pnp.bus_id, KOBJ_NAME_LEN);
if (parent)
device->kobj.parent = &parent->kobj;
device->kobj.ktype = &ktype_acpi_ns;
@@ -150,10 +144,7 @@ static void acpi_device_register(struct acpi_device * device, struct acpi_device
create_sysfs_device_files(device);
}
static int
acpi_device_unregister (
struct acpi_device *device,
int type)
static int acpi_device_unregister(struct acpi_device *device, int type)
{
spin_lock(&acpi_device_lock);
if (device->parent) {
@@ -172,11 +163,7 @@ acpi_device_unregister (
return 0;
}
void
acpi_bus_data_handler (
acpi_handle handle,
u32 function,
void *context)
void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context)
{
ACPI_FUNCTION_TRACE("acpi_bus_data_handler");
@@ -185,13 +172,11 @@ acpi_bus_data_handler (
return_VOID;
}
static int
acpi_bus_get_power_flags (
struct acpi_device *device)
static int acpi_bus_get_power_flags(struct acpi_device *device)
{
acpi_status status = 0;
acpi_handle handle = NULL;
u32 i = 0;
acpi_status status = 0;
acpi_handle handle = NULL;
u32 i = 0;
ACPI_FUNCTION_TRACE("acpi_bus_get_power_flags");
@@ -210,11 +195,11 @@ acpi_bus_get_power_flags (
*/
for (i = ACPI_STATE_D0; i <= ACPI_STATE_D3; i++) {
struct acpi_device_power_state *ps = &device->power.states[i];
char object_name[5] = {'_','P','R','0'+i,'\0'};
char object_name[5] = { '_', 'P', 'R', '0' + i, '\0' };
/* Evaluate "_PRx" to se if power resources are referenced */
acpi_evaluate_reference(device->handle, object_name, NULL,
&ps->resources);
&ps->resources);
if (ps->resources.count) {
device->power.flags.power_resources = 1;
ps->flags.valid = 1;
@@ -232,7 +217,7 @@ acpi_bus_get_power_flags (
if (ps->resources.count || ps->flags.explicit_set)
ps->flags.valid = 1;
ps->power = -1; /* Unknown - driver assigned */
ps->power = -1; /* Unknown - driver assigned */
ps->latency = -1; /* Unknown - driver assigned */
}
@@ -249,13 +234,10 @@ acpi_bus_get_power_flags (
return_VALUE(0);
}
int
acpi_match_ids (
struct acpi_device *device,
char *ids)
int acpi_match_ids(struct acpi_device *device, char *ids)
{
int error = 0;
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
if (device->flags.hardware_id)
if (strstr(ids, device->pnp.hardware_id))
@@ -266,27 +248,25 @@ acpi_match_ids (
int i;
/* compare multiple _CID entries against driver ids */
for (i = 0; i < cid_list->count; i++)
{
for (i = 0; i < cid_list->count; i++) {
if (strstr(ids, cid_list->id[i].value))
goto Done;
}
}
error = -ENOENT;
Done:
Done:
if (buffer.pointer)
acpi_os_free(buffer.pointer);
return error;
}
static acpi_status
acpi_bus_extract_wakeup_device_power_package (
struct acpi_device *device,
union acpi_object *package)
acpi_bus_extract_wakeup_device_power_package(struct acpi_device *device,
union acpi_object *package)
{
int i = 0;
union acpi_object *element = NULL;
int i = 0;
union acpi_object *element = NULL;
if (!device || !package || (package->package.count < 2))
return AE_BAD_PARAMETER;
@@ -296,14 +276,17 @@ acpi_bus_extract_wakeup_device_power_package (
return AE_BAD_PARAMETER;
if (element->type == ACPI_TYPE_PACKAGE) {
if ((element->package.count < 2) ||
(element->package.elements[0].type != ACPI_TYPE_LOCAL_REFERENCE) ||
(element->package.elements[1].type != ACPI_TYPE_INTEGER))
(element->package.elements[0].type !=
ACPI_TYPE_LOCAL_REFERENCE)
|| (element->package.elements[1].type != ACPI_TYPE_INTEGER))
return AE_BAD_DATA;
device->wakeup.gpe_device = element->package.elements[0].reference.handle;
device->wakeup.gpe_number = (u32)element->package.elements[1].integer.value;
}else if (element->type == ACPI_TYPE_INTEGER) {
device->wakeup.gpe_device =
element->package.elements[0].reference.handle;
device->wakeup.gpe_number =
(u32) element->package.elements[1].integer.value;
} else if (element->type == ACPI_TYPE_INTEGER) {
device->wakeup.gpe_number = element->integer.value;
}else
} else
return AE_BAD_DATA;
element = &(package->package.elements[1]);
@@ -316,9 +299,9 @@ acpi_bus_extract_wakeup_device_power_package (
return AE_NO_MEMORY;
}
device->wakeup.resources.count = package->package.count - 2;
for (i=0; i < device->wakeup.resources.count; i++) {
for (i = 0; i < device->wakeup.resources.count; i++) {
element = &(package->package.elements[i + 2]);
if (element->type != ACPI_TYPE_ANY ) {
if (element->type != ACPI_TYPE_ANY) {
return AE_BAD_DATA;
}
@@ -328,13 +311,11 @@ acpi_bus_extract_wakeup_device_power_package (
return AE_OK;
}
static int
acpi_bus_get_wakeup_device_flags (
struct acpi_device *device)
static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
{
acpi_status status = 0;
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
union acpi_object *package = NULL;
acpi_status status = 0;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *package = NULL;
ACPI_FUNCTION_TRACE("acpi_bus_get_wakeup_flags");
@@ -345,21 +326,22 @@ acpi_bus_get_wakeup_device_flags (
goto end;
}
package = (union acpi_object *) buffer.pointer;
package = (union acpi_object *)buffer.pointer;
status = acpi_bus_extract_wakeup_device_power_package(device, package);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error extracting _PRW package\n"));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error extracting _PRW package\n"));
goto end;
}
acpi_os_free(buffer.pointer);
device->wakeup.flags.valid = 1;
/* Power button, Lid switch always enable wakeup*/
/* Power button, Lid switch always enable wakeup */
if (!acpi_match_ids(device, "PNP0C0D,PNP0C0C,PNP0C0E"))
device->wakeup.flags.run_wake = 1;
end:
end:
if (ACPI_FAILURE(status))
device->flags.wake_capable = 0;
return_VALUE(0);
@@ -368,8 +350,8 @@ end:
/* --------------------------------------------------------------------------
ACPI hotplug sysfs device file support
-------------------------------------------------------------------------- */
static ssize_t acpi_eject_store(struct acpi_device *device,
const char *buf, size_t count);
static ssize_t acpi_eject_store(struct acpi_device *device,
const char *buf, size_t count);
#define ACPI_DEVICE_ATTR(_name,_mode,_show,_store) \
static struct acpi_device_attribute acpi_device_attr_##_name = \
@@ -383,12 +365,11 @@ ACPI_DEVICE_ATTR(eject, 0200, NULL, acpi_eject_store);
* @func: function pointer to create or destroy the device file
*/
static void
setup_sys_fs_device_files (
struct acpi_device *dev,
acpi_device_sysfs_files *func)
setup_sys_fs_device_files(struct acpi_device *dev,
acpi_device_sysfs_files * func)
{
acpi_status status;
acpi_handle temp = NULL;
acpi_status status;
acpi_handle temp = NULL;
/*
* If device has _EJ0, 'eject' file is created that is used to trigger
@@ -396,11 +377,10 @@ setup_sys_fs_device_files (
*/
status = acpi_get_handle(dev->handle, "_EJ0", &temp);
if (ACPI_SUCCESS(status))
(*(func))(&dev->kobj,&acpi_device_attr_eject.attr);
(*(func)) (&dev->kobj, &acpi_device_attr_eject.attr);
}
static int
acpi_eject_operation(acpi_handle handle, int lockable)
static int acpi_eject_operation(acpi_handle handle, int lockable)
{
struct acpi_object_list arg_list;
union acpi_object arg;
@@ -429,27 +409,25 @@ acpi_eject_operation(acpi_handle handle, int lockable)
status = acpi_evaluate_object(handle, "_EJ0", &arg_list, NULL);
if (ACPI_FAILURE(status)) {
return(-ENODEV);
return (-ENODEV);
}
return(0);
return (0);
}
static ssize_t
acpi_eject_store(struct acpi_device *device, const char *buf, size_t count)
{
int result;
int ret = count;
int islockable;
acpi_status status;
acpi_handle handle;
acpi_object_type type = 0;
int result;
int ret = count;
int islockable;
acpi_status status;
acpi_handle handle;
acpi_object_type type = 0;
if ((!count) || (buf[0] != '1')) {
return -EINVAL;
}
#ifndef FORCE_EJECT
if (device->driver == NULL) {
ret = -ENODEV;
@@ -457,7 +435,7 @@ acpi_eject_store(struct acpi_device *device, const char *buf, size_t count)
}
#endif
status = acpi_get_type(device->handle, &type);
if (ACPI_FAILURE(status) || (!device->flags.ejectable) ) {
if (ACPI_FAILURE(status) || (!device->flags.ejectable)) {
ret = -ENODEV;
goto err;
}
@@ -476,18 +454,15 @@ acpi_eject_store(struct acpi_device *device, const char *buf, size_t count)
if (result) {
ret = -EBUSY;
}
err:
err:
return ret;
}
/* --------------------------------------------------------------------------
Performance Management
-------------------------------------------------------------------------- */
static int
acpi_bus_get_perf_flags (
struct acpi_device *device)
static int acpi_bus_get_perf_flags(struct acpi_device *device)
{
device->performance.state = ACPI_STATE_UNKNOWN;
return 0;
@@ -500,7 +475,6 @@ acpi_bus_get_perf_flags (
static LIST_HEAD(acpi_bus_drivers);
static DECLARE_MUTEX(acpi_bus_drivers_lock);
/**
* acpi_bus_match
* --------------
@@ -508,16 +482,13 @@ static DECLARE_MUTEX(acpi_bus_drivers_lock);
* matches the specified driver's criteria.
*/
static int
acpi_bus_match (
struct acpi_device *device,
struct acpi_driver *driver)
acpi_bus_match(struct acpi_device *device, struct acpi_driver *driver)
{
if (driver && driver->ops.match)
return driver->ops.match(device, driver);
return acpi_match_ids(device, driver->ids);
}
/**
* acpi_bus_driver_init
* --------------------
@@ -525,11 +496,9 @@ acpi_bus_match (
* driver is bound to a device. Invokes the driver's add() and start() ops.
*/
static int
acpi_bus_driver_init (
struct acpi_device *device,
struct acpi_driver *driver)
acpi_bus_driver_init(struct acpi_device *device, struct acpi_driver *driver)
{
int result = 0;
int result = 0;
ACPI_FUNCTION_TRACE("acpi_bus_driver_init");
@@ -553,13 +522,12 @@ acpi_bus_driver_init (
* upon possible configuration and currently allocated resources.
*/
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Driver successfully bound to device\n"));
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Driver successfully bound to device\n"));
return_VALUE(0);
}
int
acpi_start_single_object (
struct acpi_device *device)
int acpi_start_single_object(struct acpi_device *device)
{
int result = 0;
struct acpi_driver *driver;
@@ -578,16 +546,17 @@ acpi_start_single_object (
return_VALUE(result);
}
static int acpi_driver_attach(struct acpi_driver * drv)
static int acpi_driver_attach(struct acpi_driver *drv)
{
struct list_head * node, * next;
struct list_head *node, *next;
int count = 0;
ACPI_FUNCTION_TRACE("acpi_driver_attach");
spin_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_device_list) {
struct acpi_device * dev = container_of(node, struct acpi_device, g_list);
struct acpi_device *dev =
container_of(node, struct acpi_device, g_list);
if (dev->driver || !dev->status.present)
continue;
@@ -598,7 +567,8 @@ static int acpi_driver_attach(struct acpi_driver * drv)
acpi_start_single_object(dev);
atomic_inc(&drv->references);
count++;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found driver [%s] for device [%s]\n",
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Found driver [%s] for device [%s]\n",
drv->name, dev->pnp.bus_id));
}
}
@@ -608,20 +578,21 @@ static int acpi_driver_attach(struct acpi_driver * drv)
return_VALUE(count);
}
static int acpi_driver_detach(struct acpi_driver * drv)
static int acpi_driver_detach(struct acpi_driver *drv)
{
struct list_head * node, * next;
struct list_head *node, *next;
ACPI_FUNCTION_TRACE("acpi_driver_detach");
spin_lock(&acpi_device_lock);
list_for_each_safe(node,next,&acpi_device_list) {
struct acpi_device * dev = container_of(node,struct acpi_device,g_list);
list_for_each_safe(node, next, &acpi_device_list) {
struct acpi_device *dev =
container_of(node, struct acpi_device, g_list);
if (dev->driver == drv) {
spin_unlock(&acpi_device_lock);
if (drv->ops.remove)
drv->ops.remove(dev,ACPI_BUS_REMOVAL_NORMAL);
drv->ops.remove(dev, ACPI_BUS_REMOVAL_NORMAL);
spin_lock(&acpi_device_lock);
dev->driver = NULL;
dev->driver_data = NULL;
@@ -640,9 +611,7 @@ static int acpi_driver_detach(struct acpi_driver * drv)
* number of devices that were claimed by the driver, or a negative
* error status for failure.
*/
int
acpi_bus_register_driver (
struct acpi_driver *driver)
int acpi_bus_register_driver(struct acpi_driver *driver)
{
int count;
@@ -661,8 +630,8 @@ acpi_bus_register_driver (
return_VALUE(count);
}
EXPORT_SYMBOL(acpi_bus_register_driver);
EXPORT_SYMBOL(acpi_bus_register_driver);
/**
* acpi_bus_unregister_driver
@@ -670,9 +639,7 @@ EXPORT_SYMBOL(acpi_bus_register_driver);
* Unregisters a driver with the ACPI bus. Searches the namespace for all
* devices that match the driver's criteria and unbinds.
*/
int
acpi_bus_unregister_driver (
struct acpi_driver *driver)
int acpi_bus_unregister_driver(struct acpi_driver *driver)
{
int error = 0;
@@ -685,11 +652,12 @@ acpi_bus_unregister_driver (
spin_lock(&acpi_device_lock);
list_del_init(&driver->node);
spin_unlock(&acpi_device_lock);
}
} else
}
} else
error = -EINVAL;
return_VALUE(error);
}
EXPORT_SYMBOL(acpi_bus_unregister_driver);
/**
@@ -698,18 +666,17 @@ EXPORT_SYMBOL(acpi_bus_unregister_driver);
* Parses the list of registered drivers looking for a driver applicable for
* the specified device.
*/
static int
acpi_bus_find_driver (
struct acpi_device *device)
static int acpi_bus_find_driver(struct acpi_device *device)
{
int result = 0;
struct list_head * node, *next;
int result = 0;
struct list_head *node, *next;
ACPI_FUNCTION_TRACE("acpi_bus_find_driver");
spin_lock(&acpi_device_lock);
list_for_each_safe(node,next,&acpi_bus_drivers) {
struct acpi_driver * driver = container_of(node,struct acpi_driver,node);
list_for_each_safe(node, next, &acpi_bus_drivers) {
struct acpi_driver *driver =
container_of(node, struct acpi_driver, node);
atomic_inc(&driver->references);
spin_unlock(&acpi_device_lock);
@@ -723,21 +690,18 @@ acpi_bus_find_driver (
}
spin_unlock(&acpi_device_lock);
Done:
Done:
return_VALUE(result);
}
/* --------------------------------------------------------------------------
Device Enumeration
-------------------------------------------------------------------------- */
static int
acpi_bus_get_flags (
struct acpi_device *device)
static int acpi_bus_get_flags(struct acpi_device *device)
{
acpi_status status = AE_OK;
acpi_handle temp = NULL;
acpi_status status = AE_OK;
acpi_handle temp = NULL;
ACPI_FUNCTION_TRACE("acpi_bus_get_flags");
@@ -788,11 +752,12 @@ acpi_bus_get_flags (
return_VALUE(0);
}
static void acpi_device_get_busid(struct acpi_device * device, acpi_handle handle, int type)
static void acpi_device_get_busid(struct acpi_device *device,
acpi_handle handle, int type)
{
char bus_id[5] = {'?',0};
struct acpi_buffer buffer = {sizeof(bus_id), bus_id};
int i = 0;
char bus_id[5] = { '?', 0 };
struct acpi_buffer buffer = { sizeof(bus_id), bus_id };
int i = 0;
/*
* Bus ID
@@ -824,21 +789,22 @@ static void acpi_device_get_busid(struct acpi_device * device, acpi_handle handl
}
}
static void acpi_device_set_id(struct acpi_device * device, struct acpi_device * parent,
acpi_handle handle, int type)
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};
char *hid = NULL;
char *uid = NULL;
struct acpi_device_info *info;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
char *hid = NULL;
char *uid = NULL;
struct acpi_compatible_id_list *cid_list = NULL;
acpi_status status;
acpi_status status;
switch (type) {
case ACPI_BUS_TYPE_DEVICE:
status = acpi_get_object_info(handle, &buffer);
if (ACPI_FAILURE(status)) {
printk("%s: Error reading device info\n",__FUNCTION__);
printk("%s: Error reading device info\n", __FUNCTION__);
return;
}
@@ -904,7 +870,7 @@ static void acpi_device_set_id(struct acpi_device * device, struct acpi_device *
acpi_os_free(buffer.pointer);
}
static int acpi_device_set_context(struct acpi_device * device, int type)
static int acpi_device_set_context(struct acpi_device *device, int type)
{
acpi_status status = AE_OK;
int result = 0;
@@ -916,10 +882,10 @@ static int acpi_device_set_context(struct acpi_device * device, int type)
* to be careful with fixed-feature devices as they all attach to the
* root object.
*/
if (type != ACPI_BUS_TYPE_POWER_BUTTON &&
if (type != ACPI_BUS_TYPE_POWER_BUTTON &&
type != ACPI_BUS_TYPE_SLEEP_BUTTON) {
status = acpi_attach_data(device->handle,
acpi_bus_data_handler, device);
acpi_bus_data_handler, device);
if (ACPI_FAILURE(status)) {
printk("Error attaching device data\n");
@@ -929,12 +895,13 @@ static int acpi_device_set_context(struct acpi_device * device, int type)
return result;
}
static void acpi_device_get_debug_info(struct acpi_device * device, acpi_handle handle, int type)
static void acpi_device_get_debug_info(struct acpi_device *device,
acpi_handle handle, int type)
{
#ifdef CONFIG_ACPI_DEBUG_OUTPUT
char *type_string = NULL;
char name[80] = {'?','\0'};
struct acpi_buffer buffer = {sizeof(name), name};
char *type_string = NULL;
char name[80] = { '?', '\0' };
struct acpi_buffer buffer = { sizeof(name), name };
switch (type) {
case ACPI_BUS_TYPE_DEVICE:
@@ -968,18 +935,14 @@ static void acpi_device_get_debug_info(struct acpi_device * device, acpi_handle
}
printk(KERN_DEBUG "Found %s %s [%p]\n", type_string, name, handle);
#endif /*CONFIG_ACPI_DEBUG_OUTPUT*/
#endif /*CONFIG_ACPI_DEBUG_OUTPUT */
}
static int
acpi_bus_remove (
struct acpi_device *dev,
int rmdevice)
static int acpi_bus_remove(struct acpi_device *dev, int rmdevice)
{
int result = 0;
struct acpi_driver *driver;
int result = 0;
struct acpi_driver *driver;
ACPI_FUNCTION_TRACE("acpi_bus_remove");
if (!dev)
@@ -1012,22 +975,18 @@ acpi_bus_remove (
if ((dev->parent) && (dev->parent->ops.unbind))
dev->parent->ops.unbind(dev);
}
acpi_device_unregister(dev, ACPI_BUS_REMOVAL_EJECT);
return_VALUE(0);
}
static int
acpi_add_single_object (
struct acpi_device **child,
struct acpi_device *parent,
acpi_handle handle,
int type)
acpi_add_single_object(struct acpi_device **child,
struct acpi_device *parent, acpi_handle handle, int type)
{
int result = 0;
struct acpi_device *device = NULL;
int result = 0;
struct acpi_device *device = NULL;
ACPI_FUNCTION_TRACE("acpi_add_single_object");
@@ -1044,7 +1003,7 @@ acpi_add_single_object (
device->handle = handle;
device->parent = parent;
acpi_device_get_busid(device,handle,type);
acpi_device_get_busid(device, handle, type);
/*
* Flags
@@ -1092,7 +1051,7 @@ acpi_add_single_object (
* Hardware ID, Unique ID, & Bus Address
* -------------------------------------
*/
acpi_device_set_id(device,parent,handle,type);
acpi_device_set_id(device, parent, handle, type);
/*
* Power Management
@@ -1104,7 +1063,7 @@ acpi_add_single_object (
goto end;
}
/*
/*
* Wakeup device management
*-----------------------
*/
@@ -1124,12 +1083,12 @@ acpi_add_single_object (
goto end;
}
if ((result = acpi_device_set_context(device,type)))
if ((result = acpi_device_set_context(device, type)))
goto end;
acpi_device_get_debug_info(device,handle,type);
acpi_device_get_debug_info(device, handle, type);
acpi_device_register(device,parent);
acpi_device_register(device, parent);
/*
* Bind _ADR-Based Devices
@@ -1154,7 +1113,7 @@ acpi_add_single_object (
*/
result = acpi_bus_find_driver(device);
end:
end:
if (!result)
*child = device;
else {
@@ -1166,17 +1125,15 @@ end:
return_VALUE(result);
}
static int acpi_bus_scan (struct acpi_device *start,
struct acpi_bus_ops *ops)
static int acpi_bus_scan(struct acpi_device *start, struct acpi_bus_ops *ops)
{
acpi_status status = AE_OK;
struct acpi_device *parent = NULL;
struct acpi_device *child = NULL;
acpi_handle phandle = NULL;
acpi_handle chandle = NULL;
acpi_object_type type = 0;
u32 level = 1;
acpi_status status = AE_OK;
struct acpi_device *parent = NULL;
struct acpi_device *child = NULL;
acpi_handle phandle = NULL;
acpi_handle chandle = NULL;
acpi_object_type type = 0;
u32 level = 1;
ACPI_FUNCTION_TRACE("acpi_bus_scan");
@@ -1185,7 +1142,7 @@ static int acpi_bus_scan (struct acpi_device *start,
parent = start;
phandle = start->handle;
/*
* Parse through the ACPI namespace, identify all 'devices', and
* create a new 'struct acpi_device' for each.
@@ -1193,7 +1150,7 @@ static int acpi_bus_scan (struct acpi_device *start,
while ((level > 0) && parent) {
status = acpi_get_next_object(ACPI_TYPE_ANY, phandle,
chandle, &chandle);
chandle, &chandle);
/*
* If this scope is exhausted then move our way back up.
@@ -1243,12 +1200,12 @@ static int acpi_bus_scan (struct acpi_device *start,
if (ops->acpi_op_add)
status = acpi_add_single_object(&child, parent,
chandle, type);
else
chandle, type);
else
status = acpi_bus_get_device(chandle, &child);
if (ACPI_FAILURE(status))
continue;
if (ACPI_FAILURE(status))
continue;
if (ops->acpi_op_start) {
status = acpi_start_single_object(child);
@@ -1264,7 +1221,7 @@ static int acpi_bus_scan (struct acpi_device *start,
* which will be enumerated when the parent is inserted).
*
* TBD: Need notifications and other detection mechanisms
* in place before we can fully implement this.
* in place before we can fully implement this.
*/
if (child->status.present) {
status = acpi_get_next_object(ACPI_TYPE_ANY, chandle,
@@ -1282,11 +1239,8 @@ static int acpi_bus_scan (struct acpi_device *start,
}
int
acpi_bus_add (
struct acpi_device **child,
struct acpi_device *parent,
acpi_handle handle,
int type)
acpi_bus_add(struct acpi_device **child,
struct acpi_device *parent, acpi_handle handle, int type)
{
int result;
struct acpi_bus_ops ops;
@@ -1301,11 +1255,10 @@ acpi_bus_add (
}
return_VALUE(result);
}
EXPORT_SYMBOL(acpi_bus_add);
int
acpi_bus_start (
struct acpi_device *device)
int acpi_bus_start(struct acpi_device *device)
{
int result;
struct acpi_bus_ops ops;
@@ -1323,26 +1276,25 @@ acpi_bus_start (
}
return_VALUE(result);
}
EXPORT_SYMBOL(acpi_bus_start);
static int
acpi_bus_trim(struct acpi_device *start,
int rmdevice)
static int acpi_bus_trim(struct acpi_device *start, int rmdevice)
{
acpi_status status;
struct acpi_device *parent, *child;
acpi_handle phandle, chandle;
acpi_object_type type;
u32 level = 1;
int err = 0;
acpi_status status;
struct acpi_device *parent, *child;
acpi_handle phandle, chandle;
acpi_object_type type;
u32 level = 1;
int err = 0;
parent = start;
parent = start;
phandle = start->handle;
child = chandle = NULL;
while ((level > 0) && parent && (!err)) {
status = acpi_get_next_object(ACPI_TYPE_ANY, phandle,
chandle, &chandle);
chandle, &chandle);
/*
* If this scope is exhausted then move our way back up.
@@ -1381,12 +1333,10 @@ acpi_bus_trim(struct acpi_device *start,
return err;
}
static int
acpi_bus_scan_fixed (
struct acpi_device *root)
static int acpi_bus_scan_fixed(struct acpi_device *root)
{
int result = 0;
struct acpi_device *device = NULL;
int result = 0;
struct acpi_device *device = NULL;
ACPI_FUNCTION_TRACE("acpi_bus_scan_fixed");
@@ -1398,14 +1348,16 @@ acpi_bus_scan_fixed (
*/
if (acpi_fadt.pwr_button == 0) {
result = acpi_add_single_object(&device, acpi_root,
NULL, ACPI_BUS_TYPE_POWER_BUTTON);
NULL,
ACPI_BUS_TYPE_POWER_BUTTON);
if (!result)
result = acpi_start_single_object(device);
}
if (acpi_fadt.sleep_button == 0) {
result = acpi_add_single_object(&device, acpi_root,
NULL, ACPI_BUS_TYPE_SLEEP_BUTTON);
NULL,
ACPI_BUS_TYPE_SLEEP_BUTTON);
if (!result)
result = acpi_start_single_object(device);
}
@@ -1413,7 +1365,6 @@ acpi_bus_scan_fixed (
return_VALUE(result);
}
static int __init acpi_scan_init(void)
{
int result;
@@ -1430,7 +1381,7 @@ static int __init acpi_scan_init(void)
* Create the root device in the bus's device tree
*/
result = acpi_add_single_object(&acpi_root, NULL, ACPI_ROOT_OBJECT,
ACPI_BUS_TYPE_SYSTEM);
ACPI_BUS_TYPE_SYSTEM);
if (result)
goto Done;
@@ -1450,7 +1401,7 @@ static int __init acpi_scan_init(void)
if (result)
acpi_device_unregister(acpi_root, ACPI_BUS_REMOVAL_NORMAL);
Done:
Done:
return_VALUE(result);
}