[PATCH dt-schema 2/2] schemas: chosen: Improve linux,elfcorehdr documentation
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: 2021-09-01 15:13:27
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add an example for the "linux,elfcorehdr" property, and clarify the length of its address and size. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> --- schemas/chosen.yaml | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/schemas/chosen.yaml b/schemas/chosen.yaml
index 78b87cb1b2b7fb87..d66d10ad3cad0654 100644
--- a/schemas/chosen.yaml
+++ b/schemas/chosen.yaml@@ -77,11 +77,21 @@ properties: linux,elfcorehdr: $ref: types.yaml#/definitions/uint64-array maxItems: 2 - description: + description: | This property holds the memory range, the address and the size, of the elf core header which mainly describes the panicked kernel\'s memory layout as PT_LOAD segments of elf format. + / { + chosen { + linux,elfcorehdr = <0x9 0xfffff000 0x0 0x800>; + }; + }; + + While this property does not represent a real hardware, the address + and the size are expressed in #address-cells and #size-cells, + respectively, of the root node. + linux,usable-memory-range: $ref: types.yaml#/definitions/uint64-array maxItems: 2
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2.25.1