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 720D115573F; Thu, 31 Jul 2025 14:53:47 +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=1753973627; cv=none; b=MVNsoyPJvYgpNV1Ko1zXaib9K9NaXixyeV0B5lJx1RpCqeBsjCrtxR298esJtsPw+viPgnTi8vvUbygxOhn600Mo/3YEFzTo2IEItk/c44YfLDSKtxWliu7fInU2VRB0EUeRMko4xZcyU8gD8A69WOSZh5qf9w/dZVNCFpExx4w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753973627; c=relaxed/simple; bh=BH+xJfVd8P1OMzhEptvJZEuLhWDdvxoqPKB2+LX+Isk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=aCHszQG1d4mYM9lWaNfbJT03++Idqj7Jq5MY1w0CPQ3C6H8ZDhfAkX7utHXSij3Wi1OjbeJqekb59kfMrsiAsfr7M0jdAXrSV70K/1IH5cl4oYEC1SR1mJvNFXUYvUXMWOgmoVqHzXPzFDUsEuRgpwN2r+/ArAazQ3xLwQpxNaA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kpi8aEeN; 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="kpi8aEeN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 65142C4CEEF; Thu, 31 Jul 2025 14:53:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753973627; bh=BH+xJfVd8P1OMzhEptvJZEuLhWDdvxoqPKB2+LX+Isk=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=kpi8aEeNbTv1oce/RogYtbW0tseYmoCFpjWum9y3PPI/WiazyTJlUEdEbRfT1ShZQ SPz1is62J06pv+Nn7H/ssASOgakKv3HwQ/32Lvn1bLbzU/LMA//ro9gohKcI14x9M3 /+43v7sHtijaXZ3eSWKplfuVDl8A0ZKPLmsAT3TKYciN+L+4K44unMRqH71gZeGXDu upO58ItRggZZeNv0FUQyHS9y4MbDpRjtHocUvtZIYq+8NcLwS9ECTab7jUyoMAeMLe Ywj4pRU1lO651/DIOLa3gF9qYCYjfbwO5zeb2UsqhJj/AkS3yxplaNqGWCIVZaSsXi +CY/QHZxaikaw== Message-ID: Date: Thu, 31 Jul 2025 16:53:41 +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 0/2] dt-bindings: ufs: qcom: Split SC7280 and similar into separate file To: Manivannan Sadhasivam Cc: Nitin Rawat , Krzysztof Kozlowski , Alim Akhtar , Avri Altman , Bart Van Assche , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Andy Gross , linux-arm-msm@vger.kernel.org, linux-scsi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Ram Kumar Dwivedi References: <20250730-dt-bindings-ufs-qcom-v1-0-4cec9ff202dc@linaro.org> <6ebe7084-bb00-4fac-b64d-e08e188f3005@kernel.org> <148b46f3-2109-4c15-b7d8-17963b38095a@quicinc.com> <1547e339-5be2-4d87-ab35-98a9be0d250e@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 31/07/2025 16:09, Manivannan Sadhasivam wrote: > On Thu, Jul 31, 2025 at 09:04:48AM GMT, Krzysztof Kozlowski wrote: >> On 31/07/2025 08:59, Nitin Rawat wrote: >>>> Hm? >>>> >>>>> >>>>> For reference, only SM8650 and SM8750 currently support MCQ, though more >>>>> targets may be added later. >>>> >>>> Are you sure? Are you claiming that SM8550 hardware does not support MCQ? >>> >>> Offcourse I can say that because I am working on Qualcomm UFS Driver. >> >> Qualcomm sent many patches which were not related to hardware at all, >> just based on drivers, so my question is completely valid based on >> previous experience with Qualcomm. >> > > SM8550 indeed doesn't support MCQ. Even though it is based on UFSHCD 4.x, it > doesn't support MCQ due to hardware design. MCQ support only starts from SM8650. Yeah, I checked later in datasheets and programming guide. That's why I sent v2 and marked it in Patchwork as changes-requested. Best regards, Krzysztof