From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 155405448BD; Tue, 22 Sep 2026 12:46:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790081204; cv=none; b=ipJ6/taBrKgFji/aqRUoLR/fvyqdbNni1kOeUNpLaP6gHE29ghXILSxW2/jv67Qr+ts/CYNEkwdr2n+p+5uBJ2sxPw/zXyTjzNN3D44gINZ+VmR0wKUrrhJyzH2Xj0fbCGPfxspPx5TWwWfOPbHjGuEXpLIorsQKFWvCcU8kD94= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790081204; c=relaxed/simple; bh=vNIpBp7Mq3xucD0bjJbsHf7WV4eFM3nPd//WD4a1MoU=; h=Date:Content-Type:MIME-Version:From:Cc:To:In-Reply-To:References: Message-Id:Subject; b=lcDnC/t1YFEUu1GfsIPNdy01QLvsWbn7yBZRfL34iLafWFazGsh+1FxG3JZaFPJ6fuXoGoItQzxupJYNXxxYsTKhkP/+IJUD94Nhzmhm+PFPhLX7wnSFG7VHI7bAPcDpcNV/PNc++QeM0I8AgWx8VUNHb8qwfCoTozWdulzqzOI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=I5rB4Ibk; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="I5rB4Ibk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 70A4D1F00893; Tue, 22 Sep 2026 12:46:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790081202; bh=G1rkZ0T46UId3nWIoXsTfrSshnJUSXvrkqOmBXIvNK8=; h=Date:From:Cc:To:In-Reply-To:References:Subject; b=I5rB4IbkwqDsxM+HeEmlyqq+u8L6ZoI2BXDwVR/HMoHSdfaQSJ48oeo5/mRJ7Wecf t5nrvUYxyanw6t7S1Jys0Jv1/aZ1/SESZII8G8MSTF/rOBdZu/5Ohp6ZLV3PMXxNqQ R5H5/1LUXGfLfnoQMMMIiwdP7I4TIvHPhHNHoEg6n1+TKFLgCOO9n42zZJu1SlJ6JG rVFoe4puudVX6xdyV+E3WbKVFCoDVo51wHOaPrzX7BIiejPrDuNIohJV8mOFx3NLwq +Lw+4DIn+p9dtbNd6Nc7RSZoyqSSAfI2fjtk31kkmtPX7P53Ww1eLim6wzqgBURyN1 HGjkrSMGLT2BA== Date: Tue, 22 Sep 2026 07:46:40 -0500 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: "Rob Herring (Arm)" Cc: linux-sound@vger.kernel.org, Mark Brown , Pierre-Louis Bossart , Jaroslav Kysela , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Liam Girdwood , devicetree@vger.kernel.org, Conor Dooley , Krzysztof Kozlowski , Srinivas Kandagatla , Takashi Iwai To: Ajay Kumar Nandam In-Reply-To: <20260922-vmid-v4-v5-3-e79cfd7af5b3@oss.qualcomm.com> References: <20260922-vmid-v4-v5-0-e79cfd7af5b3@oss.qualcomm.com> <20260922-vmid-v4-v5-3-e79cfd7af5b3@oss.qualcomm.com> Message-Id: <179008111464.3145305.16495726545311526155.robh@kernel.org> Subject: Re: [PATCH v5 3/4] dt-bindings: sound: qcom,q6apm-dai: add memory-region and relax iommus On Tue, 22 Sep 2026 00:38:11 +0530, Ajay Kumar Nandam wrote: > On modem-DSP (mDSP) platforms the DSP runs in a stage-2 protected > context and cannot use the SMMU. PCM buffers must live in reserved-memory > carveouts that are SCM-assigned to the appropriate VMIDs. > > Add an optional memory-region property (1-2 entries) for the > control-path and data-path carveouts, and remove iommus from the > required list since mDSP platforms have neither IOMMU nor VMID DT > properties. > > Signed-off-by: Ajay Kumar Nandam > --- > Documentation/devicetree/bindings/sound/qcom,q6apm-dai.yaml | 12 +++++++++++- > 1 file changed, 11 insertions(+), 1 deletion(-) > My bot found errors running 'make dt_binding_check' on your patch: yamllint warnings/errors: dtschema/dtc warnings/errors: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/sound/qcom,q6apm-dai.yaml: properties:memory-region: {'minItems': 1, 'maxItems': 2, 'items': [{'description': 'Control-path buffer (audio_heap_mem) for platforms where the DSP runs in a stage-2 protected context (e.g. modem-DSP).'}, {'description': 'Data-path buffer pool from which per-stream DMA buffers are allocated.'}]} should not be valid under {'required': ['maxItems']} hint: "maxItems" is not needed with an "items" list from schema $id: http://devicetree.org/meta-schemas/items.yaml doc reference errors (make refcheckdocs): See https://patchwork.kernel.org/project/devicetree/patch/20260922-vmid-v4-v5-3-e79cfd7af5b3@oss.qualcomm.com The base for the series is generally the latest rc1. A different dependency should be noted in *this* patch. If you already ran 'make dt_binding_check' and didn't see the above error(s), then make sure 'yamllint' is installed and dt-schema is up to date: pip3 install dtschema --upgrade Please check and re-submit after running the above command yourself. Note that DT_SCHEMA_FILES can be set to your schema file to speed up checking your schema. However, it must be unset to test all examples with your schema.