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Date: Mon, 24 Jan 2022 19:44:15 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Sakari Ailus <sakari.ailus@...ux.intel.com>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, "Rafael J. Wysocki" <rafael.j.wysocki@...el.com> Subject: [PATCH 5.15 738/846] Documentation: ACPI: Fix data node reference documentation From: Sakari Ailus <sakari.ailus@...ux.intel.com> commit a11174952205d082f1658fab4314f0caf706e0a8 upstream. The data node reference documentation was missing a package that must contain the property values, instead property name and multiple values being present in a single package. This is not aligned with the _DSD spec. Fix it by adding the package for the values. Also add the missing "reg" properties to two numbered nodes. Fixes: b10134a3643d ("ACPI: property: Document hierarchical data extension references") Signed-off-by: Sakari Ailus <sakari.ailus@...ux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- Documentation/firmware-guide/acpi/dsd/data-node-references.rst | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) --- a/Documentation/firmware-guide/acpi/dsd/data-node-references.rst +++ b/Documentation/firmware-guide/acpi/dsd/data-node-references.rst @@ -5,7 +5,7 @@ Referencing hierarchical data nodes =================================== -:Copyright: |copy| 2018 Intel Corporation +:Copyright: |copy| 2018, 2021 Intel Corporation :Author: Sakari Ailus <sakari.ailus@...ux.intel.com> ACPI in general allows referring to device objects in the tree only. @@ -52,12 +52,14 @@ the ANOD object which is also the final Name (NOD0, Package() { ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), Package () { + Package () { "reg", 0 }, Package () { "random-property", 3 }, } }) Name (NOD1, Package() { ToUUID("dbb8e3e6-5886-4ba6-8795-1319f52a966b"), Package () { + Package () { "reg", 1 }, Package () { "anothernode", "ANOD" }, } }) @@ -74,7 +76,11 @@ the ANOD object which is also the final Name (_DSD, Package () { ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), Package () { - Package () { "reference", ^DEV0, "node@1", "anothernode" }, + Package () { + "reference", Package () { + ^DEV0, "node@1", "anothernode" + } + }, } }) }
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