scan.c (d2f6650a950dadd20667a04a9dc785f240d43695) scan.c (7779688fc3d1ceddad84846a7b0affbe8e78ec6e)
1/*
2 * scan.c - support for transforming the ACPI namespace into individual objects
3 */
4
5#include <linux/module.h>
6#include <linux/init.h>
7#include <linux/kernel.h>
8#include <linux/acpi.h>

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1331
1332 status = acpi_bus_check_add(handle, 0, ops, &device);
1333 if (ACPI_SUCCESS(status))
1334 acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
1335 acpi_bus_check_add, NULL, ops, &device);
1336
1337 if (child)
1338 *child = device;
1/*
2 * scan.c - support for transforming the ACPI namespace into individual objects
3 */
4
5#include <linux/module.h>
6#include <linux/init.h>
7#include <linux/kernel.h>
8#include <linux/acpi.h>

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1331
1332 status = acpi_bus_check_add(handle, 0, ops, &device);
1333 if (ACPI_SUCCESS(status))
1334 acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
1335 acpi_bus_check_add, NULL, ops, &device);
1336
1337 if (child)
1338 *child = device;
1339 return 0;
1339
1340 if (device)
1341 return 0;
1342 else
1343 return -ENODEV;
1340}
1341
1344}
1345
1346/*
1347 * acpi_bus_add and acpi_bus_start
1348 *
1349 * scan a given ACPI tree and (probably recently hot-plugged)
1350 * create and add or starts found devices.
1351 *
1352 * If no devices were found -ENODEV is returned which does not
1353 * mean that this is a real error, there just have been no suitable
1354 * ACPI objects in the table trunk from which the kernel could create
1355 * a device and add/start an appropriate driver.
1356 */
1357
1342int
1343acpi_bus_add(struct acpi_device **child,
1344 struct acpi_device *parent, acpi_handle handle, int type)
1345{
1346 struct acpi_bus_ops ops;
1347
1348 memset(&ops, 0, sizeof(ops));
1349 ops.acpi_op_add = 1;
1350
1358int
1359acpi_bus_add(struct acpi_device **child,
1360 struct acpi_device *parent, acpi_handle handle, int type)
1361{
1362 struct acpi_bus_ops ops;
1363
1364 memset(&ops, 0, sizeof(ops));
1365 ops.acpi_op_add = 1;
1366
1351 acpi_bus_scan(handle, &ops, child);
1352 return 0;
1367 return acpi_bus_scan(handle, &ops, child);
1353}
1354EXPORT_SYMBOL(acpi_bus_add);
1355
1356int acpi_bus_start(struct acpi_device *device)
1357{
1358 struct acpi_bus_ops ops;
1359
1360 if (!device)
1361 return -EINVAL;
1362
1363 memset(&ops, 0, sizeof(ops));
1364 ops.acpi_op_start = 1;
1365
1368}
1369EXPORT_SYMBOL(acpi_bus_add);
1370
1371int acpi_bus_start(struct acpi_device *device)
1372{
1373 struct acpi_bus_ops ops;
1374
1375 if (!device)
1376 return -EINVAL;
1377
1378 memset(&ops, 0, sizeof(ops));
1379 ops.acpi_op_start = 1;
1380
1366 acpi_bus_scan(device->handle, &ops, NULL);
1367 return 0;
1381 return acpi_bus_scan(device->handle, &ops, NULL);
1368}
1369EXPORT_SYMBOL(acpi_bus_start);
1370
1371int acpi_bus_trim(struct acpi_device *start, int rmdevice)
1372{
1373 acpi_status status;
1374 struct acpi_device *parent, *child;
1375 acpi_handle phandle, chandle;

--- 108 unchanged lines hidden --- 		1382}
1383EXPORT_SYMBOL(acpi_bus_start);
1384
1385int acpi_bus_trim(struct acpi_device *start, int rmdevice)
1386{
1387 acpi_status status;
1388 struct acpi_device *parent, *child;
1389 acpi_handle phandle, chandle;

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