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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-38a57dc46f4sm6231892a91.11.2026.07.13.03.23.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Jul 2026 03:23:42 -0700 (PDT) Message-ID: Date: Mon, 13 Jul 2026 18:23:39 +0800 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/6] Bluetooth: btusb: Preparation for upcoming Qualcomm QCC2072 support To: Luiz Augusto von Dentz Cc: Marcel Holtmann , Zijun Hu , linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260708-btusb_prep_qcc2072-v1-0-d835b187fd01@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-Authority-Analysis: v=2.4 cv=FMErAeos c=1 sm=1 tr=0 ts=6a54bcb0 cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=ZllgiZUDiiplec_xgN4A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzEzMDEwOCBTYWx0ZWRfX+ySa+jguWgs+ joEVoVpzNBvQdioLdP34npgToWYcipnHkrdBIx1Nz3e0SBPYurYQmCs2W37D4lZeLrtoFzh3igc bsawtrhGBLrDAvhYEMa+3wun7ADVjYE= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzEzMDEwOCBTYWx0ZWRfX9Qd0Gven9pwR bHJWTRE+rzA7HSYjMzJJZ0gYvXQq+g8JQE7wHSHg73j4ymf9aUdeI4u99kEMiZERtwZJGN+AiFM /9NkhzYxtEI87RJ6XtXR+7S+7lgz+Rg6fAUVXZ7/1/Qe6r4ewJ/huDcI1li9CeUUulDkUZkvT5p /1WzHLErxPG42CRGczL1viClEwNaEHRU85MinLuBD86HWupYz0NtafHglgsv7EwsqiCNg576OnS 31rDczQKK+jhomk3sQadLEVFA0q1qxHmz6WKXnW1EMOHq/QuzA59Pq/fNWYhs2xV3cpBaatSFek 6Tt1TJXBsOvtLBJqX3ot7Q+BV3lWNyCcv0kkAvm/uf7qh/KN+/7ov7aHyaHjvKN2CGyy+HYPp2W mvhZOd68LVTDrv4S4wia0OCr3vAc29jJuOyXqWmHVSw7WmQG05UeaHHHLpIDVCbe4A6fTDY/fAf FH9QJ/LdFWuTLm7dwiw== X-Proofpoint-ORIG-GUID: hiFeQR0rhILm8yHUKeFCywpWMQm9eMjK X-Proofpoint-GUID: hiFeQR0rhILm8yHUKeFCywpWMQm9eMjK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-13_02,2026-07-10_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 bulkscore=0 malwarescore=0 impostorscore=0 suspectscore=0 priorityscore=1501 phishscore=0 spamscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607130108 On 7/9/2026 9:46 PM, Luiz Augusto von Dentz wrote: >> This series collects the btusb and devcoredump changes required by the >> upcoming Qualcomm QCC2072 Bluetooth driver. None of them are QCC2072- >> specific: they refactor btusb into a shape that can host vendor-specific >> source files, and make a few coredump helpers reusable. > I really this not a 'lets redesign btusb because our driver is not > standard Bluetooth Class' kind of thing, we already have hdev->setup > and other callbacks for vendor specific functionality, if you want > more than that perhaps it needs to be become it own driver. Sorry, the cover letter was misleading — this isn't a redesign, and the QCC2072 driver does use the existing callbacks (hdev->setup, hdev->send, and the recv hooks). The change to btusb_main.c is small (+67/-2): https://lore.kernel.org/all/20260713-btusb_qcom-v1-1-39cabc0dd601@oss.qualcomm.com The only reason for the file split is size: the Qualcomm code is ~3700 lines, which I'd rather not add to btusb_main.c. Please take a look — if you still think it warrants a standalone driver after seeing it, I'm happy to discuss that.