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path: root/drivers/acpi/scan.c
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Diffstat (limited to 'drivers/acpi/scan.c')
-rw-r--r--drivers/acpi/scan.c43
1 files changed, 8 insertions, 35 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 5cd7f8c5666a..276cde70a514 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -285,8 +285,9 @@ static int acpi_scan_hot_remove(struct acpi_device *device)
285 return 0; 285 return 0;
286} 286}
287 287
288void acpi_bus_device_eject(struct acpi_device *device, u32 ost_src) 288void acpi_bus_device_eject(void *data, u32 ost_src)
289{ 289{
290 struct acpi_device *device = data;
290 acpi_handle handle = device->handle; 291 acpi_handle handle = device->handle;
291 struct acpi_scan_handler *handler; 292 struct acpi_scan_handler *handler;
292 u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; 293 u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE;
@@ -327,8 +328,9 @@ void acpi_bus_device_eject(struct acpi_device *device, u32 ost_src)
327 goto out; 328 goto out;
328} 329}
329 330
330static void acpi_scan_bus_device_check(acpi_handle handle, u32 ost_source) 331static void acpi_scan_bus_device_check(void *data, u32 ost_source)
331{ 332{
333 acpi_handle handle = data;
332 struct acpi_device *device = NULL; 334 struct acpi_device *device = NULL;
333 u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; 335 u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE;
334 int error; 336 int error;
@@ -363,18 +365,6 @@ static void acpi_scan_bus_device_check(acpi_handle handle, u32 ost_source)
363 unlock_device_hotplug(); 365 unlock_device_hotplug();
364} 366}
365 367
366static void acpi_scan_bus_check(void *context)
367{
368 acpi_scan_bus_device_check((acpi_handle)context,
369 ACPI_NOTIFY_BUS_CHECK);
370}
371
372static void acpi_scan_device_check(void *context)
373{
374 acpi_scan_bus_device_check((acpi_handle)context,
375 ACPI_NOTIFY_DEVICE_CHECK);
376}
377
378static void acpi_hotplug_unsupported(acpi_handle handle, u32 type) 368static void acpi_hotplug_unsupported(acpi_handle handle, u32 type)
379{ 369{
380 u32 ost_status; 370 u32 ost_status;
@@ -403,18 +393,8 @@ static void acpi_hotplug_unsupported(acpi_handle handle, u32 type)
403 acpi_evaluate_hotplug_ost(handle, type, ost_status, NULL); 393 acpi_evaluate_hotplug_ost(handle, type, ost_status, NULL);
404} 394}
405 395
406/**
407 * acpi_bus_hot_remove_device: Hot-remove a device and its children.
408 * @context: Address of the ACPI device object to hot-remove.
409 */
410static void acpi_bus_hot_remove_device(void *context)
411{
412 acpi_bus_device_eject(context, ACPI_NOTIFY_EJECT_REQUEST);
413}
414
415static void acpi_hotplug_notify_cb(acpi_handle handle, u32 type, void *data) 396static void acpi_hotplug_notify_cb(acpi_handle handle, u32 type, void *data)
416{ 397{
417 acpi_osd_exec_callback callback;
418 struct acpi_scan_handler *handler = data; 398 struct acpi_scan_handler *handler = data;
419 struct acpi_device *adev; 399 struct acpi_device *adev;
420 acpi_status status; 400 acpi_status status;
@@ -425,11 +405,9 @@ static void acpi_hotplug_notify_cb(acpi_handle handle, u32 type, void *data)
425 switch (type) { 405 switch (type) {
426 case ACPI_NOTIFY_BUS_CHECK: 406 case ACPI_NOTIFY_BUS_CHECK:
427 acpi_handle_debug(handle, "ACPI_NOTIFY_BUS_CHECK event\n"); 407 acpi_handle_debug(handle, "ACPI_NOTIFY_BUS_CHECK event\n");
428 callback = acpi_scan_bus_check;
429 break; 408 break;
430 case ACPI_NOTIFY_DEVICE_CHECK: 409 case ACPI_NOTIFY_DEVICE_CHECK:
431 acpi_handle_debug(handle, "ACPI_NOTIFY_DEVICE_CHECK event\n"); 410 acpi_handle_debug(handle, "ACPI_NOTIFY_DEVICE_CHECK event\n");
432 callback = acpi_scan_device_check;
433 break; 411 break;
434 case ACPI_NOTIFY_EJECT_REQUEST: 412 case ACPI_NOTIFY_EJECT_REQUEST:
435 acpi_handle_debug(handle, "ACPI_NOTIFY_EJECT_REQUEST event\n"); 413 acpi_handle_debug(handle, "ACPI_NOTIFY_EJECT_REQUEST event\n");
@@ -438,8 +416,7 @@ static void acpi_hotplug_notify_cb(acpi_handle handle, u32 type, void *data)
438 goto err_out; 416 goto err_out;
439 417
440 get_device(&adev->dev); 418 get_device(&adev->dev);
441 callback = acpi_bus_hot_remove_device; 419 status = acpi_hotplug_execute(acpi_bus_device_eject, adev, type);
442 status = acpi_os_hotplug_execute(callback, adev);
443 if (ACPI_SUCCESS(status)) 420 if (ACPI_SUCCESS(status))
444 return; 421 return;
445 422
@@ -449,7 +426,7 @@ static void acpi_hotplug_notify_cb(acpi_handle handle, u32 type, void *data)
449 /* non-hotplug event; possibly handled by other handler */ 426 /* non-hotplug event; possibly handled by other handler */
450 return; 427 return;
451 } 428 }
452 status = acpi_os_hotplug_execute(callback, handle); 429 status = acpi_hotplug_execute(acpi_scan_bus_device_check, handle, type);
453 if (ACPI_SUCCESS(status)) 430 if (ACPI_SUCCESS(status))
454 return; 431 return;
455 432
@@ -484,11 +461,6 @@ static ssize_t power_state_show(struct device *dev,
484 461
485static DEVICE_ATTR(power_state, 0444, power_state_show, NULL); 462static DEVICE_ATTR(power_state, 0444, power_state_show, NULL);
486 463
487static void acpi_eject_store_work(void *context)
488{
489 acpi_bus_device_eject(context, ACPI_OST_EC_OSPM_EJECT);
490}
491
492static ssize_t 464static ssize_t
493acpi_eject_store(struct device *d, struct device_attribute *attr, 465acpi_eject_store(struct device *d, struct device_attribute *attr,
494 const char *buf, size_t count) 466 const char *buf, size_t count)
@@ -511,7 +483,8 @@ acpi_eject_store(struct device *d, struct device_attribute *attr,
511 acpi_evaluate_hotplug_ost(acpi_device->handle, ACPI_OST_EC_OSPM_EJECT, 483 acpi_evaluate_hotplug_ost(acpi_device->handle, ACPI_OST_EC_OSPM_EJECT,
512 ACPI_OST_SC_EJECT_IN_PROGRESS, NULL); 484 ACPI_OST_SC_EJECT_IN_PROGRESS, NULL);
513 get_device(&acpi_device->dev); 485 get_device(&acpi_device->dev);
514 status = acpi_os_hotplug_execute(acpi_eject_store_work, acpi_device); 486 status = acpi_hotplug_execute(acpi_bus_device_eject, acpi_device,
487 ACPI_OST_EC_OSPM_EJECT);
515 if (ACPI_SUCCESS(status)) 488 if (ACPI_SUCCESS(status))
516 return count; 489 return count;
517 490