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dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=ubjIc8Wq Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 877E55C014C; Mon, 9 Sep 2024 14:22:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6288EC4CEC5; Mon, 9 Sep 2024 14:22:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725891747; bh=Hezfj/kPm64KvITcfkt3URf9tx9rvGYy7rBd9swWi4w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ubjIc8WqYl0D6MnVk/IUOhrN6X2QqzKYlc5FTH8pdSO/YfWN0yFX4gJ3hbU1G4GSi NZjpPwxu8KgusT4tWKdzHnJROjLVbYUmXVYq7ceCrbUArbYu7Mmbt0MCoLIoKRdePm do/IRo1oLJcmreyNtzW5zmeGe+2iGwYIOFAO1+08E9g1fXK4EGbY1c8Ks9+lewR6Gu TmWqdvo5jbDEr3gxKp8/7/IzPZrURXMisLPjYo/YgnsMfxaoTD0e1nVYf6o0tFM8oJ ARDkhOYe/O8zoxShS2TVNVKG5CxTMS+FAPyIyaiJRUTLEmM/9x7U/pZL5HiWdo0Y8+ 7T5Jyue9ltEYg== Date: Mon, 9 Sep 2024 09:22:26 -0500 From: Rob Herring To: Kuninori Morimoto Cc: Mark Brown , Saravana Kannan , Linux-ALSA , devicetree@vger.kernel.org Subject: Re: [PATCH v2] ASoC: dt-bindings: renesas,rsnd: add post-init-providers property Message-ID: <20240909142226.GA4185128-robh@kernel.org> References: <871q1zkmrc.wl-kuninori.morimoto.gx@renesas.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <871q1zkmrc.wl-kuninori.morimoto.gx@renesas.com> Message-ID-Hash: 26XGAKZQEMR4IKNXA3LHFI3D3Q446GUG X-Message-ID-Hash: 26XGAKZQEMR4IKNXA3LHFI3D3Q446GUG X-MailFrom: robh@kernel.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Wed, Sep 04, 2024 at 11:44:08PM +0000, Kuninori Morimoto wrote: > At least if rsnd is using DPCM connection with 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 > --- > v1 -> v2 > - remove basic description/type > - add detail description > - update git-log > > Documentation/devicetree/bindings/sound/renesas,rsnd.yaml | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml > index 07ec6247d9def..458877ce4aa42 100644 > --- a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml > +++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml > @@ -112,6 +112,13 @@ properties: > description: List of necessary clock names. > # details are defined below > > + post-init-providers: > + description: | Don't need '|' if there's no formatting. > + At least if rsnd is using DPCM connection with Audio-Graph-Card2, fw_devlink might doesn't > + have enough information to break the cycle. rsnd driver will not be probed in such case. Wrap lines at 80, not 100 unless there's good reason to extend them. > + Add post-init-providers property to indicate which link in the cycle to break. That describes every use of post-init-providers. Drop. > + 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 >