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Documentation: ACPI: Direct references are allowed to devices only

PATCH New Sakari Ailus 1 participant 1 message May 2, 2019

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Sakari Ailus

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PATCH 1/1 Documentation: ACPI: Direct references are allowed to devices only

In ACPI it is possible to make references to device objects only, not to other objects inside a device. In practice this means that hierarchical data extension targets must be in parentheses to make them strings.

Otherwise an acpica warning is produced.

Reported-by Andy Shevchenko <[email protected]>
Signed-off-by Sakari Ailus <[email protected]>
---
 Documentation/acpi/dsd/data-node-references.txt |  6 +++---
 Documentation/acpi/dsd/graph.txt                | 12 ++++++------
 2 files changed, 9 insertions(+), 9 deletions(-)
Documentation/acpi/dsd/data-node-references.txt +3 -3
index c3871565c8cfb..cd0971ea999a3 100644
@@ -41,8 +41,8 @@ Example
 	    Name (_DSD, Package () {
 		ToUUID("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
 		Package () {
-		    Package () { "node@0", NOD0 },
-		    Package () { "node@1", NOD1 },
+		    Package () { "node@0", "NOD0" },
+		    Package () { "node@1", "NOD1" },
 		}
 	    })
 	    Name (NOD0, Package() {

@@ -54,7 +54,7 @@ Example
 	    Name (NOD1, Package() {
 		ToUUID("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
 		Package () {
-		    Package () { "anothernode", ANOD },
+		    Package () { "anothernode", "ANOD" },
 		}
 	    })
 	    Name (ANOD, Package() {
Documentation/acpi/dsd/graph.txt +6 -6
index b9ce910781dcd..aee673c96aa80 100644
@@ -42,7 +42,7 @@ with "port" and must be followed by the "@" character and the number of the port
 as its key. The target object it refers to should be called "PRTX", where "X" is
 the number of the port. An example of such a package would be:
 
-    Package() { "port@4", PRT4 }
+    Package() { "port@4", "PRT4" }
 
 Further on, endpoints are located under the port nodes. The hierarchical
 data extension key of the endpoint nodes must begin with

@@ -51,7 +51,7 @@ endpoint. The object it refers to should be called "EPXY", where "X" is the
 number of the port and "Y" is the number of the endpoint. An example of such a
 package would be:
 
-    Package() { "endpoint@0", EP40 }
+    Package() { "endpoint@0", "EP40" }
 
 Each port node contains a property extension key "port", the value of which is
 the number of the port. Each endpoint is similarly numbered with a property

@@ -88,7 +88,7 @@ A simple example of this is show below:
 		},
 		ToUUID("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
 		Package () {
-		    Package () { "port@0", PRT0 },
+		    Package () { "port@0", "PRT0" },
 		}
 	    })
 	    Name (PRT0, Package() {

@@ -98,7 +98,7 @@ A simple example of this is show below:
 		},
 		ToUUID("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
 		Package () {
-		    Package () { "endpoint@0", EP00 },
+		    Package () { "endpoint@0", "EP00" },
 		}
 	    })
 	    Name (EP00, Package() {

@@ -118,7 +118,7 @@ A simple example of this is show below:
 	    Name (_DSD, Package () {
 		ToUUID("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
 		Package () {
-		    Package () { "port@4", PRT4 },
+		    Package () { "port@4", "PRT4" },
 		}
 	    })
 

@@ -129,7 +129,7 @@ A simple example of this is show below:
 		},
 		ToUUID("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
 		Package () {
-		    Package () { "endpoint@0", EP40 },
+		    Package () { "endpoint@0", "EP40" },
 		}
 	    })
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