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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2021-11-26 19:45:31 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2021-11-26 19:45:31 +0100
commit2e13e5aeda156f747919c7111723b9302836fb38 (patch)
tree937e4f52279e12792c4dfedf3fcf31b6a71a7ff9 /drivers
parent935dff305da2be7957a5ce8f07f45d6c4c1c6984 (diff)
parent985e9ece1e55a94da842f6c1f9ff84d587b26267 (diff)
Merge branch 'acpi-properties'
Merge fix and cleanup related to the management of ACPI device properties for 5.16-rc3. * acpi-properties: ACPI: Make acpi_node_get_parent() local ACPI: Get acpi_device's parent from the parent field
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/property.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index e312ebaed8db..2366f54d8e9c 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -1084,21 +1084,17 @@ struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
* Returns parent node of an ACPI device or data firmware node or %NULL if
* not available.
*/
-struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode)
+static struct fwnode_handle *
+acpi_node_get_parent(const struct fwnode_handle *fwnode)
{
if (is_acpi_data_node(fwnode)) {
/* All data nodes have parent pointer so just return that */
return to_acpi_data_node(fwnode)->parent;
} else if (is_acpi_device_node(fwnode)) {
- acpi_handle handle, parent_handle;
-
- handle = to_acpi_device_node(fwnode)->handle;
- if (ACPI_SUCCESS(acpi_get_parent(handle, &parent_handle))) {
- struct acpi_device *adev;
+ struct device *dev = to_acpi_device_node(fwnode)->dev.parent;
- if (!acpi_bus_get_device(parent_handle, &adev))
- return acpi_fwnode_handle(adev);
- }
+ if (dev)
+ return acpi_fwnode_handle(to_acpi_device(dev));
}
return NULL;