The return from of_overlay_fdt_apply() just indicates success or fail. The cookie is returned via reference.
Signed-off-by: Chris Packham <chris.pack...@alliedtelesis.co.nz> --- Documentation/devicetree/overlay-notes.txt | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/overlay-notes.txt b/Documentation/devicetree/overlay-notes.txt index 725fb8d255c1..62f2003d6205 100644 --- a/Documentation/devicetree/overlay-notes.txt +++ b/Documentation/devicetree/overlay-notes.txt @@ -88,7 +88,8 @@ Overlay in-kernel API The API is quite easy to use. 1. Call of_overlay_fdt_apply() to create and apply an overlay changeset. The -return value is an error or a cookie identifying this overlay. +return indicates success or failure. A a cookie identifying this overlay is +returned via reference on success. 2. Call of_overlay_remove() to remove and cleanup the overlay changeset previously created via the call to of_overlay_fdt_apply(). Removal of an -- 2.21.0
