brcm,bcm2835-mbox and mtk,adsp-mbox allow #mbox-cells = <0>; Update documentation to reflect that #mbox-cells with zero value is allowed. Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- Changes in v2: - update commit message, add Krzysztof's Acked-by tag, spin-off from intial patch set. - initial version was proposed at: Link: https://lore.kernel.org/linux-arm-kernel/20241220-acpm-v4-upstream-mbox-v6-1-a6942806e52a@xxxxxxxxxx/ --- Documentation/devicetree/bindings/mailbox/mailbox.txt | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/mailbox/mailbox.txt b/Documentation/devicetree/bindings/mailbox/mailbox.txt index af8ecee2ac68..fc31a4a3b637 100644 --- a/Documentation/devicetree/bindings/mailbox/mailbox.txt +++ b/Documentation/devicetree/bindings/mailbox/mailbox.txt @@ -6,8 +6,7 @@ assign appropriate mailbox channel to client drivers. * Mailbox Controller Required property: -- #mbox-cells: Must be at least 1. Number of cells in a mailbox - specifier. +- #mbox-cells: Must be at least 0. Number of cells in a mailbox specifier. Example: mailbox: mailbox { --- base-commit: 5bc55a333a2f7316b58edc7573e8e893f7acb532 change-id: 20250115-dt-bindings-mbox-cells-db36d324449f Best regards, -- Tudor Ambarus <tudor.ambarus@xxxxxxxxxx>
