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ACPI: property: Allow direct graph endpoint references

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By using device and further data node references, allow direct references
to endpoints. These are of form

	Package() { \DEV, "portX", "endpointY" }

where X is the number of the port and Y is the number of the endpoint.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Sakari Ailus 2018-07-17 17:19:15 +03:00 committed by Rafael J. Wysocki
parent 0ef7478639
commit 6561eb3d3a
1 changed files with 2 additions and 2 deletions
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4
drivers/acpi/property.c
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@ -1122,9 +1122,9 @@ acpi_graph_get_remote_endpoint(const struct fwnode_handle *__fwnode)
if (ret)
return NULL;
/* Ensure this is a device node. */
/* Direct endpoint reference? */
if (!is_acpi_device_node(args.fwnode))
return NULL;
return args.nargs ? NULL : args.fwnode;
/*
* Always require two arguments with the reference: port and