AcoSail/kernel_optimize_test
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Merge branch 'acpi-hotplug'

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* acpi-hotplug:
  ACPI / scan: Set flags.match_driver in acpi_bus_scan_fixed()
  ACPI / PCI root: Clear driver_data before failing enumeration
  ACPI / hotplug: Fix PCI host bridge hot removal
  ACPI / hotplug: Fix acpi_bus_get_device() return value check
This commit is contained in:
Rafael J. Wysocki 2013-11-19 01:05:46 +01:00
commit 614d7426ec
2 changed files with 5 additions and 10 deletions
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1
drivers/acpi/pci_root.c
View File

@ -575,6 +575,7 @@ static int acpi_pci_root_add(struct acpi_device *device,
dev_err(&device->dev,
"Bus %04x:%02x not present in PCI namespace\n",
root->segment, (unsigned int)root->secondary.start);
device->driver_data = NULL;
result = -ENODEV;
goto end;
}

14
drivers/acpi/scan.c
View File

@ -289,24 +289,17 @@ void acpi_bus_device_eject(void *data, u32 ost_src)
{
struct acpi_device *device = data;
acpi_handle handle = device->handle;
struct acpi_scan_handler *handler;
u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE;
int error;
lock_device_hotplug();
mutex_lock(&acpi_scan_lock);
handler = device->handler;
if (!handler || !handler->hotplug.enabled) {
put_device(&device->dev);
goto err_support;
}
if (ost_src == ACPI_NOTIFY_EJECT_REQUEST)
acpi_evaluate_hotplug_ost(handle, ACPI_NOTIFY_EJECT_REQUEST,
ACPI_OST_SC_EJECT_IN_PROGRESS, NULL);
if (handler->hotplug.mode == AHM_CONTAINER)
if (device->handler && device->handler->hotplug.mode == AHM_CONTAINER)
kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
error = acpi_scan_hot_remove(device);
@ -411,8 +404,7 @@ static void acpi_hotplug_notify_cb(acpi_handle handle, u32 type, void *data)
break;
case ACPI_NOTIFY_EJECT_REQUEST:
acpi_handle_debug(handle, "ACPI_NOTIFY_EJECT_REQUEST event\n");
status = acpi_bus_get_device(handle, &adev);
if (ACPI_FAILURE(status))
if (acpi_bus_get_device(handle, &adev))
goto err_out;
get_device(&adev->dev);
@ -1997,6 +1989,7 @@ static int acpi_bus_scan_fixed(void)
if (result)
return result;
device->flags.match_driver = true;
result = device_attach(&device->dev);
if (result < 0)
return result;
@ -2013,6 +2006,7 @@ static int acpi_bus_scan_fixed(void)
if (result)
return result;
device->flags.match_driver = true;
result = device_attach(&device->dev);
}