| Message ID | 20241220-acpm-v4-upstream-mbox-v6-1-a6942806e52a@linaro.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | mailbox: add Samsung Exynos driver | expand |
On Fri, Dec 20, 2024 at 01:49:56PM +0000, Tudor Ambarus wrote: > There are mailbox clients that can discover the mailbox channel > identifiers at runtime. For such cases passing the channel > identifiers via DT is redundant. Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Best regards, Krzysztof
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 {
There are mailbox clients that can discover the mailbox channel identifiers at runtime. For such cases passing the channel identifiers via DT is redundant. The framework API will be supplied with mbox_request_channel_by_args(). It will allow clients to request a mailbox channel using the runtime discovered channel identifiers. Add support for referencing controllers solely by phandle. Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org> --- Documentation/devicetree/bindings/mailbox/mailbox.txt | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)