diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-03-17 13:48:18 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-03-17 13:48:18 +0100 |
| commit | 2eb060975df2aaca635801dcfb99eaa45ede98fe (patch) | |
| tree | 0e8c5a409227b6d56665d1a149ea90985ab54ea2 /drivers/acpi/scan.c | |
| parent | 75c44eddcb4989b85826143bc09fd3ad120abd4e (diff) | |
| parent | 700b8422fb9e6041907bda45a15f4e2ab0438a04 (diff) | |
Merge branch 'acpi-ost'
* acpi-ost:
ACPI: Drop acpi_evaluate_hotplug_ost() and ACPI_HOTPLUG_OST
ACPI: use device name LNXSYBUS.xx for ACPI \_SB and \_TZ objects
ACPI / processor: use acpi_evaluate_ost() to replace open-coded version
ACPI / PAD / xen: use acpi_evaluate_ost() to replace open-coded version
ACPI / PAD: use acpi_evaluate_ost() to replace open-coded version
ACPI: rename acpi_evaluate_hotplug_ost() to acpi_evaluate_ost()
Diffstat (limited to 'drivers/acpi/scan.c')
| -rw-r--r-- | drivers/acpi/scan.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index eb7a1ff224e..1870223cb1a 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -474,8 +474,8 @@ static int acpi_generic_hotplug_event(struct acpi_device *adev, u32 type) dev_info(&adev->dev, "Eject disabled\n"); return -EPERM; } - acpi_evaluate_hotplug_ost(adev->handle, ACPI_NOTIFY_EJECT_REQUEST, - ACPI_OST_SC_EJECT_IN_PROGRESS, NULL); + acpi_evaluate_ost(adev->handle, ACPI_NOTIFY_EJECT_REQUEST, + ACPI_OST_SC_EJECT_IN_PROGRESS, NULL); return acpi_scan_hot_remove(adev); } return -EINVAL; @@ -524,7 +524,7 @@ void acpi_device_hotplug(struct acpi_device *adev, u32 src) ost_code = ACPI_OST_SC_SUCCESS; err_out: - acpi_evaluate_hotplug_ost(adev->handle, src, ost_code, NULL); + acpi_evaluate_ost(adev->handle, src, ost_code, NULL); out: acpi_bus_put_acpi_device(adev); @@ -583,8 +583,8 @@ acpi_eject_store(struct device *d, struct device_attribute *attr, return count; put_device(&acpi_device->dev); - acpi_evaluate_hotplug_ost(acpi_device->handle, ACPI_OST_EC_OSPM_EJECT, - ACPI_OST_SC_NON_SPECIFIC_FAILURE, NULL); + acpi_evaluate_ost(acpi_device->handle, ACPI_OST_EC_OSPM_EJECT, + ACPI_OST_SC_NON_SPECIFIC_FAILURE, NULL); return status == AE_NO_MEMORY ? -ENOMEM : -EAGAIN; } @@ -1757,6 +1757,20 @@ static bool acpi_ibm_smbus_match(acpi_handle handle) return false; } +static bool acpi_object_is_system_bus(acpi_handle handle) +{ + acpi_handle tmp; + + if (ACPI_SUCCESS(acpi_get_handle(NULL, "\\_SB", &tmp)) && + tmp == handle) + return true; + if (ACPI_SUCCESS(acpi_get_handle(NULL, "\\_TZ", &tmp)) && + tmp == handle) + return true; + + return false; +} + static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp, int device_type) { @@ -1808,8 +1822,10 @@ static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp, acpi_add_id(pnp, ACPI_DOCK_HID); else if (acpi_ibm_smbus_match(handle)) acpi_add_id(pnp, ACPI_SMBUS_IBM_HID); - else if (list_empty(&pnp->ids) && handle == ACPI_ROOT_OBJECT) { - acpi_add_id(pnp, ACPI_BUS_HID); /* \_SB, LNXSYBUS */ + else if (list_empty(&pnp->ids) && + acpi_object_is_system_bus(handle)) { + /* \_SB, \_TZ, LNXSYBUS */ + acpi_add_id(pnp, ACPI_BUS_HID); strcpy(pnp->device_name, ACPI_BUS_DEVICE_NAME); strcpy(pnp->device_class, ACPI_BUS_CLASS); } |