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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84564d89bf2sm10016372b3a.16.2026.06.23.02.50.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 23 Jun 2026 02:50:40 -0700 (PDT) Message-ID: Date: Tue, 23 Jun 2026 17:50:36 +0800 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 04/13] Bluetooth: btusb: QCA: Do not populate devcoredump fields on ATH3012 or QCA_ROME To: Dmitry Baryshkov Cc: Marcel Holtmann , Luiz Augusto von Dentz , Rocky Liao , Bartosz Golaszewski , Ben Young Tae Kim , Balakrishna Godavarthi , Matthias Kaehlcke , Zijun Hu , linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, Luiz Augusto von Dentz , linux-arm-msm@vger.kernel.org References: <20260622-bt_bugfix-v1-0-11f936d84e72@oss.qualcomm.com> <20260622-bt_bugfix-v1-4-11f936d84e72@oss.qualcomm.com> Content-Language: en-US From: Zijun Hu In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: y-g7YVB3y2gMwD2kSWd1uOkTjOVJmFUo X-Proofpoint-ORIG-GUID: y-g7YVB3y2gMwD2kSWd1uOkTjOVJmFUo X-Proofpoint-Spam-Info: AW1haW4tMjYwNjIzMDA3OSBTYWx0ZWRfX0zoZUZoHd2Qw APvUV8hbGIy3TUb0fudaodp6X+yCfE5N8jIYl8feUwJuF29n5npKsAbmf3r1PLIP8L63wheiXGb fNDukzZiO65I5QcFRz6JKtBk4rGfuKI= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjIzMDA3OSBTYWx0ZWRfXzVvT4gbE5hRE 17XCMxFFUgw0yQDKR/2XfUhZSTWZ6nOYH4zNtC/AypW+5DR/uuuDlHw3Ljl0cDUat/rvuDZ9bYK c8i1UrMIDYvTQUyJSBpZV2I0vlq2m3fECUe+7G/BBZJobxkcrBZwj0jSRZ59xd3LdhgBeG2UWAI YH9xWkfARmkoi3MJhAYJDyCdvaPklbTdoj25h/ULEjDVnX2MZDvDoGk2Q2EEQ0y+MS5tDTn6pWI kPx1yllAa76MIw2x+ZgHe+nWyFfaCGmgmGfbUvPts8ufURevLkg6tbIRUHOLcbnHRXyqRvr+WYK qV4h31cotHbyyxZS/6vsbhIcybrdGCYzPs7dHkgYHoVunhqBdgU1R/X6fJiWmU0dmlIoYeZbhZi 1EhP2o78uNcGi+TCeOarLNmFRYp5R0/4DlWWng0NskAbEqam65xEwYXcglnCfCfI2Tzja8phTBe 8WjOesxPoPDy6qV51DA== X-Authority-Analysis: v=2.4 cv=OeKoyBTY c=1 sm=1 tr=0 ts=6a3a56f2 cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=r4DXEafDs6yR_N-SMUMA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=zc0IvFSfCIW2DFIPzwfm:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-23_02,2026-06-22_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 spamscore=0 malwarescore=0 adultscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606230079 On 6/22/2026 11:31 PM, Dmitry Baryshkov wrote: >> Devcoredump is disabled on ATH3012 or QCA_ROME, but btusb_setup_qca() >> used by both unconditionally populates those two devcoredump fields. >> >> Fix by populating devcoredump fields only for BTUSB_QCA_WCN6855 devices, >> which are the only ones that enable devcoredump. > Why? Wouldn't it be better to enable devcoredump for all platforms? BTUSB_QCA_WCN6855 marks the first generation of QCA BT SoCs for which devcoredump is enabled; all later generations are enabled too. ATH3012 and QCA_ROME are much older chips that predate devcoredump in the Bluetooth core driver — there is no requirement to enable it for them and it is not clear whether they even support it. Will optimize the commit message in v2.