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Mon, 23 Mar 2026 11:16:11 -0700 (PDT) X-Received: by 2002:a17:903:2c10:b0:2ae:ced7:465f with SMTP id d9443c01a7336-2b0a4db3af2mr3953945ad.7.1774289770636; Mon, 23 Mar 2026 11:16:10 -0700 (PDT) Received: from [10.218.7.247] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b0836a3430sm112302905ad.79.2026.03.23.11.16.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Mar 2026 11:16:10 -0700 (PDT) Message-ID: <2bd1e03a-7da4-412b-8b90-4f449942211f@oss.qualcomm.com> Date: Mon, 23 Mar 2026 23:46:04 +0530 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 3/3] arm64: dts: qcom: eliza: Disable UFS MCQ mode To: Abel Vesa , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dmitry Baryshkov Cc: Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260322-eliza-base-dt-fixes-v1-0-c633a6064a24@oss.qualcomm.com> <20260322-eliza-base-dt-fixes-v1-3-c633a6064a24@oss.qualcomm.com> <7bpvzg5zkytzgorbuxyo77aj6egcyll4qbzxqknearhxmttzl6@bbrcbxlowtvm> Content-Language: en-US From: Nitin Rawat In-Reply-To: <7bpvzg5zkytzgorbuxyo77aj6egcyll4qbzxqknearhxmttzl6@bbrcbxlowtvm> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=VvUuwu2n c=1 sm=1 tr=0 ts=69c1836c cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=htRBAqg6l9hWmXmz9CoA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-GUID: 9yUfSVPftLL7vhhZb0CbftLw-5BdrWq_ X-Proofpoint-ORIG-GUID: 9yUfSVPftLL7vhhZb0CbftLw-5BdrWq_ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzIzMDEzNSBTYWx0ZWRfXxwHrHJTtOjbi ugkNKocAMDKG3K1z9vWaiKni3tZJOmgdLl7lVS4p2gFGWCxFbTIcBcfaDK4y2mJIOC0mjdDYyvI tSsQkbIRUyPZg7mwWqY7dcpprm984MCTuynMAcmiNkvy0BvEGdjoWUMbt5ZN+VJNDdDvkVeR1H/ ptPQpQpnS0lF2FMKR6m7reAEfa3rPqYZGILlJW958CTp0VVYZLiO2mVKMDytyOtiybH7Giq5/H0 F+ooKtdtLCRIFaKHMzZf8HlrDTbUT4ZZQ3jXnzfeaXfkK7C2GsUcIWXTbg5cofCLCkhfnScbPKs U0AIr58TxrWcuw0DpiprXVl6eovU6U4ZS9fMNWIu9PtGskab56sYmkVE6swpsFa37gk2yCj3+l7 0QP/reJei8B41ypCqzYyY2FV6BPl2i47suSg3hJby222A9M+o7/jn0OD4h6iFiu+Yv3wOS7tqoO 5WqTKqB0R1SY/pAU/mg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-23_04,2026-03-23_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 malwarescore=0 spamscore=0 adultscore=0 lowpriorityscore=0 impostorscore=0 bulkscore=0 clxscore=1015 priorityscore=1501 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603230135 On 3/23/2026 11:33 PM, Abel Vesa wrote: > On 26-03-22 18:08:21, Abel Vesa wrote: >> The UFS MCQ mode is currently not functional in the driver. Eliza is >> the first platform enabling it, which results in UFS failures at runtime >> with errors such as: >> >> ufshcd-qcom 1d84000.ufshc: ufshcd_abort: Device abort task at tag 4 >> ufs_device_wlun 0:0:0:49488: tag#4 CDB: opcode=0x1b 1b 00 00 00 10 00 >> >> The failures occur when accessing the UFS device, while the controller >> and PHY initialize correctly. >> >> Disable MCQ mode by removing the corresponding register range. This can >> be reverted once MCQ support is fixed in the driver. > > Nitin, care to comment? Hi Abel, Validated MCQ on SM8750 and SM8650 now with ESI both enabled and disabled, and it is working as expected with no errors observed. Mounting, read/write operations, and runtime suspend/resume were validated successfully. will post the MCQ enablement device tree changes for these targets tomorrow. It appears that some changes may be missing on Eliza, which will need to be debugged separately. Regards, Nitin