At least if rsnd is using DPCM connection on Audio-Graph-Card2, fw_devlink might doesn't have enough information to break the cycle (Same problem might occur with Multi-CPU/Codec or Codec2Codec). In such case, rsnd driver will not be probed. Add post-init-providers support to break the link cycle. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> --- v2 -> v3 - remove "|" from description - removed common post-init-providers description - 100 char to 80 char for 1 line Documentation/devicetree/bindings/sound/renesas,rsnd.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml index 07ec6247d9def..3bc93c59535e9 100644 --- a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml +++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml @@ -112,6 +112,12 @@ properties: description: List of necessary clock names. # details are defined below + post-init-providers: + description: At least if rsnd is using DPCM connection on Audio-Graph-Card2, + fw_devlink might doesn't have enough information to break the cycle. rsnd + driver will not be probed in such case. Same problem might occur with + Multi-CPU/Codec or Codec2Codec. + # ports is below port: $ref: audio-graph-port.yaml#/definitions/port-base -- 2.43.0