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Tue, 31 Mar 2026 09:06:37 -0700 (PDT) X-Received: by 2002:a17:90a:d404:b0:35d:9d6b:9d8a with SMTP id 98e67ed59e1d1-35d9d6b9fbemr9871430a91.15.1774973197319; Tue, 31 Mar 2026 09:06:37 -0700 (PDT) Received: from [192.168.225.142] ([157.49.193.46]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35dbe66f7b7sm2094541a91.10.2026.03.31.09.06.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 31 Mar 2026 09:06:36 -0700 (PDT) Message-ID: <1dc85067-df11-4236-bfdc-e2117da493c9@oss.qualcomm.com> Date: Tue, 31 Mar 2026 21:36:28 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 2/3] ath10k: Add device-tree quirk to skip host cap QMI requests To: david@ixit.cz, Johannes Berg , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jeff Johnson , Bjorn Andersson , Konrad Dybcio , Paul Sajna Cc: Amit Pundir , linux-wireless@vger.kernel.org, devicetree@vger.kernel.org, ath10k@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, phone-devel@vger.kernel.org References: <20260325-skip-host-cam-qmi-req-v4-0-bc08538487aa@ixit.cz> <20260325-skip-host-cam-qmi-req-v4-2-bc08538487aa@ixit.cz> Content-Language: en-US From: Vasanthakumar Thiagarajan In-Reply-To: <20260325-skip-host-cam-qmi-req-v4-2-bc08538487aa@ixit.cz> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=ErbfbCcA c=1 sm=1 tr=0 ts=69cbf10e cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=fHzH9zTiDFanLkNeTzv53w==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=KKAkSRfTAAAA:8 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=Jr6ivFuIO4VC9FIHmAQA:9 a=QEXdDO2ut3YA:10 a=iS9zxrgQBfv6-_F4QbHw:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-ORIG-GUID: 0Ib18DO-yd__jCD8Wk-oOgMEK1FYZ5r_ X-Proofpoint-GUID: 0Ib18DO-yd__jCD8Wk-oOgMEK1FYZ5r_ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzMxMDE1NCBTYWx0ZWRfXywZkCwHe/YQ3 SY1gIcUkRO7nA91Mf5kgGDi8wje1o82cNKQPsNLjTNJQB9fywexDYSryCuWO2MXKOpb39Lf7HW8 EcHvZ9MJPcKCJmYH8qqe6rgF6WHHFNojfdKqQcFofxwanXv3awuEEPEbY0aVhvMKA5hHKYoQaF3 +TJePExMrzT+2xnn05Ol9FmrcpkLYRdw1eCvcc/OrS83pff6rW0cN+pDRhFnki6QDnzYh6cSE7Y NE2dgTtIXI+T1jjI1sCYAqaGfKcZsLhkgOkvFYbyaTC/6Ve/laCKMqbHdaA3qbwcWSawtO3FP9u CDWcFbc0le4WiE+iyM7kFfe0OZY4WzFQ94zzRp65RHNxPxhWLckleozwMyKxUyayBTY1t7MR2ai vaEWCmC489yyjaFoA6UaOwrsX0e/2y0Xsn7WRY2QbkXkeSwxZrLf4iZvSEwLqqORsiKbDkYeJQm bVRmUczoX84db0WUSxg== 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=2026-03-31_03,2026-03-31_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 clxscore=1011 phishscore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603310154 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260331_090640_376171_321C59E5 X-CRM114-Status: GOOD ( 15.58 ) X-BeenThere: ath10k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "ath10k" Errors-To: ath10k-bounces+ath10k=archiver.kernel.org@lists.infradead.org On 3/25/2026 11:27 PM, David Heidelberg via B4 Relay wrote: > From: Amit Pundir > > Some firmware versions do not support the host capability QMI request. > Since this request occurs before firmware-N.bin and board-M.bin are > loaded, the quirk cannot be expressed in the firmware itself. > > The root cause is unclear, but there appears to be a generation of > firmware that lacks host capability support. > > Without this quirk, ath10k_qmi_host_cap_send_sync() returns > QMI_ERR_MALFORMED_MSG_V01 before loading the firmware. This error is not > fatal - Wi-Fi services still come up successfully if the request is simply > skipped. > > Add a device-tree quirk to skip the host capability QMI request on devices > whose firmware does not support it. > > For example, firmware build > "QC_IMAGE_VERSION_STRING=WLAN.HL.2.0.c3-00257-QCAHLSWMTPLZ-1" > on Xiaomi Poco F1 phone requires this quirk. > > Suggested-by: Bjorn Andersson > Signed-off-by: Amit Pundir > Signed-off-by: David Heidelberg Reviewed-by: Vasanthakumar Thiagarajan