From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 49C0A3115B8; Wed, 10 Sep 2025 09:43:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757497397; cv=none; b=A6LombGBNHgVfI6wR5Zp0hjjWBSBVAf2eBWPjrx0IgokHN4caWFoWgB48AzndQdtNVA15PPOrWV62IBwvVNyS8jFbkYLJEiTKSotd1y7rai6DS7oEDvVxp82aw4nBcSmyVJNonrYT8RgqTaIw3A/b86goUB0oM/S6D23Nl0ys3o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757497397; c=relaxed/simple; bh=S+aQbFX9hu/DKfI431C7M1rHrzo8lXM2Z2qWlgAtuNU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=hwrM1uCUbxtdOgp0TussNfX4enHeePmj/J3qAOw2Yq8TPPn72uOtolhjesprUGn5TicsIf0z9QKi353LD25vjKdHEbWqCK3bF4ZeCzv25FS0wVQ89CpG38GgoQJu+wji82ORJFEER2swqWd5rzq681Mx299kMBUmC02nKImjjZU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=H4072pDR; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="H4072pDR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 438AEC4CEF0; Wed, 10 Sep 2025 09:43:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757497396; bh=S+aQbFX9hu/DKfI431C7M1rHrzo8lXM2Z2qWlgAtuNU=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=H4072pDRHr6l5lHaFv/4xDl6o8R2z7n/Lp+zEBYoPrpxoitzdLaoQxiSTM+ciqDlw L9R7CS0TwD5cF6B3iOX6YMEkv+SgUQbwGte8f+E6XB7KKBKo1b/Uj0wwWNpAM/E4h0 Ttvqmmk260dyEqp5D4JCSTtmM8gvwahuU1uvrmnXoEjKZ972wWwRHzlZplrb01krMV Rt9eeSR8FyYc3njUME7vwyRrFbSg1LhMQjwrY70cPr8x9tf6VpPH0y35/L3tliE9bL wXsYOxr56Xq9500NbTRT9h9p31NSvVGD6e4Tc4c6I6adNokCEJjdIvRzt+u7NXmm2I ZK731WSjFPlAQ== Message-ID: Date: Wed, 10 Sep 2025 11:43:11 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 1/2] ASoC: dt-bindings: qcom,sm8250: Add QCS8300 sound card To: Mohammad Rafi Shaik , Srinivas Kandagatla , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jaroslav Kysela , Takashi Iwai Cc: linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@oss.qualcomm.com, prasad.kumpatla@oss.qualcomm.com, ajay.nandam@oss.qualcomm.com References: <20250905142647.2566951-1-mohammad.rafi.shaik@oss.qualcomm.com> <20250905142647.2566951-2-mohammad.rafi.shaik@oss.qualcomm.com> <43090acb-ea36-4015-b14f-78d44d789d42@kernel.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/09/2025 10:05, Mohammad Rafi Shaik wrote: > > > On 9/10/2025 1:09 PM, Krzysztof Kozlowski wrote: >> On 10/09/2025 09:26, Krzysztof Kozlowski wrote: >>>> diff --git a/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml b/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml >>>> index 8ac91625dce5..eebf80c1d79a 100644 >>>> --- a/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml >>>> +++ b/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml >>>> @@ -35,6 +35,7 @@ properties: >>>> - qcom,qcm6490-idp-sndcard >>>> - qcom,qcs6490-rb3gen2-sndcard >>>> - qcom,qcs8275-sndcard >>> >>> So what is the point of this compatible? There is no user of it and I >>> think you added QCS8275 for this case exactly... >>> >>> Shall I start reverting commits from Qualcomm because you post patches >>> "just in case" and turns out they are completely not needed? No single >>> user of such code? >> >> >> @Mark, >> >> In case it wasn't obvious, please do not merge the patch till we get >> some clarification. For sure it is wrong one way or another: either >> incomplete or just duplicated. >> > > The device tree currently uses qcs8275 as the sound compatible, and > the corresponding Device tree changes have already been applied and merged. > > Reverting this now would break the ABI. If reverting would break ABI then: > > A new device tree patch with qcs8300 is currently under review: > > https://lore.kernel.org/linux-arm-msm/20250910044512.1369640-1-mohammad.rafi.shaik@oss.qualcomm.com/ This is ABI break thus NAK. > > Once the machine driver and device tree patch with qcs8300 are accepted > and merged, > > I will promptly submit a cleanup patch to remove of discontinued > compatibles from the machine driver. So this is the same hardware? Then no, we do not rename compatibles. Best regards, Krzysztof