diff options
| author | Bob Moore <robert.moore@intel.com> | 2011-11-16 14:46:57 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2012-01-17 03:36:30 -0500 |
| commit | a91cdde20a870bd773d605c764ed211539bf3020 (patch) | |
| tree | 92359c9a52d73d7c546cb4ea7414031e583f97c3 /drivers/acpi/acpica/rsxface.c | |
| parent | e0fe0a8d4ed5474261d0ee1452f5d9ae77236958 (diff) | |
| download | linux-a91cdde20a870bd773d605c764ed211539bf3020.tar.bz2 | |
ACPI 5.0: New interface, acpi_get_event_resources
Executes _AEI and formats the result, similar to acpi_get_current_resources, etc.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/rsxface.c')
| -rw-r--r-- | drivers/acpi/acpica/rsxface.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c index fe86b37b16ce..45a9e5e4e4db 100644 --- a/drivers/acpi/acpica/rsxface.c +++ b/drivers/acpi/acpica/rsxface.c @@ -307,6 +307,46 @@ acpi_set_current_resources(acpi_handle device_handle, ACPI_EXPORT_SYMBOL(acpi_set_current_resources) +/******************************************************************************* + * + * FUNCTION: acpi_get_event_resources + * + * PARAMETERS: device_handle - Handle to the device object for the + * device we are getting resources + * in_buffer - Pointer to a buffer containing the + * resources to be set for the device + * + * RETURN: Status + * + * DESCRIPTION: This function is called to get the event resources for a + * specific device. The caller must first acquire a handle for + * the desired device. The resource data is passed to the routine + * the buffer pointed to by the in_buffer variable. Uses the + * _AEI method. + * + ******************************************************************************/ +acpi_status +acpi_get_event_resources(acpi_handle device_handle, + struct acpi_buffer *ret_buffer) +{ + acpi_status status; + struct acpi_namespace_node *node; + + ACPI_FUNCTION_TRACE(acpi_get_event_resources); + + /* Validate parameters then dispatch to internal routine */ + + status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + status = acpi_rs_get_aei_method_data(node, ret_buffer); + return_ACPI_STATUS(status); +} + +ACPI_EXPORT_SYMBOL(acpi_get_event_resources) + /****************************************************************************** * * FUNCTION: acpi_resource_to_address64 |