[PATCH] Documentation: devicetree: "linux,usable-memory" property
From: Heinrich Schuchardt <hidden>
Date: 2016-12-23 16:18:06
Also in:
lkml
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Memory nodes may have a "linux,usable-memory" property overriding the reg property. This patch adds the missing documentation. Signed-off-by: Heinrich Schuchardt <redacted> --- 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
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2.11.0
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