diff options
Diffstat (limited to 'drivers/acpi/scan.c')
| -rw-r--r-- | drivers/acpi/scan.c | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 8bb48bfab1d..ec12d970d78 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -487,7 +487,9 @@ void acpi_device_hotplug(void *data, u32 src) if (adev->handle == INVALID_ACPI_HANDLE) goto err_out; - if (adev->flags.hotplug_notify) { + if (adev->flags.is_dock_station) { + error = dock_notify(adev, src); + } else if (adev->flags.hotplug_notify) { error = acpi_generic_hotplug_event(adev, src); if (error == -EPERM) { ost_code = ACPI_OST_SC_EJECT_NOT_SUPPORTED; @@ -1660,6 +1662,29 @@ bool acpi_bay_match(acpi_handle handle) return acpi_ata_match(phandle); } +bool acpi_device_is_battery(acpi_handle handle) +{ + struct acpi_device_info *info; + bool ret = false; + + if (!ACPI_SUCCESS(acpi_get_object_info(handle, &info))) + return false; + + if (info->valid & ACPI_VALID_HID) + ret = !strcmp("PNP0C0A", info->hardware_id.string); + + kfree(info); + return ret; +} + +static bool is_ejectable_bay(acpi_handle handle) +{ + if (acpi_has_method(handle, "_EJ0") && acpi_device_is_battery(handle)) + return true; + + return acpi_bay_match(handle); +} + /* * acpi_dock_match - see if an acpi object has a _DCK method */ @@ -1964,6 +1989,10 @@ static void acpi_scan_init_hotplug(struct acpi_device *adev) { struct acpi_hardware_id *hwid; + if (acpi_dock_match(adev->handle) || is_ejectable_bay(adev->handle)) { + acpi_dock_add(adev); + return; + } list_for_each_entry(hwid, &adev->pnp.ids, list) { struct acpi_scan_handler *handler; @@ -2035,8 +2064,12 @@ static int acpi_scan_attach_handler(struct acpi_device *device) static void acpi_bus_attach(struct acpi_device *device) { struct acpi_device *child; + acpi_handle ejd; int ret; + if (ACPI_SUCCESS(acpi_bus_get_ejd(device->handle, &ejd))) + register_dock_dependent_device(device, ejd); + acpi_bus_get_status(device); /* Skip devices that are not present. */ if (!acpi_device_is_present(device)) { @@ -2189,7 +2222,6 @@ int __init acpi_scan_init(void) acpi_cmos_rtc_init(); acpi_container_init(); acpi_memory_hotplug_init(); - acpi_dock_init(); mutex_lock(&acpi_scan_lock); /* |