Messages in this thread Patch in this message | | | From | Heinrich Schuchardt <> | Subject | [PATCH] Documentation: devicetree: "linux,usable-memory" property | Date | Fri, 23 Dec 2016 17:17:47 +0100 |
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Memory nodes may have a "linux,usable-memory" property overriding the reg property.
This patch adds the missing documentation.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> --- Documentation/devicetree/booting-without-of.txt | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/booting-without-of.txt b/Documentation/devicetree/booting-without-of.txt index 280d283304bb..92712c5604b0 100644 --- a/Documentation/devicetree/booting-without-of.txt +++ b/Documentation/devicetree/booting-without-of.txt @@ -981,6 +981,10 @@ compatibility. removed later. The kernel can take this into consideration when doing nonmovable allocations and when laying out memory zones. + - linux,usable-memory : This property overrides the reg property. + It can be used if the bootloader changes the reg property to + improper values. + e) The /chosen node This node is a bit "special". Normally, that's where Open Firmware -- 2.11.0
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