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([2406:7400:56:b5f1:3fae:6c04:a3e1:b0f3]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7482fc43a1esm720591b3a.38.2025.06.06.04.30.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Jun 2025 04:30:32 -0700 (PDT) Message-ID: <6430992c-d50b-4cfd-bcb9-d7d376c53444@gmail.com> Date: Fri, 6 Jun 2025 17:00:29 +0530 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: johan@kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, lestoppe@gmail.com From: Amit Subject: [BUG] usb-serial-simple: device conflict with Owon VDS1022I Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Hi,     PATCH 6.1 082/167 adds serial support for OWON HDS200 through the simple usb serial driver (). This causes issues with Owon VDS1022. The VID and PID is the same for both devices so the the Linux kernel loads the serial driver, preventing the associated software from working.     My current work around for this is to blacklist usb_serial_simple. Given that this driver change was recent and still under testing, could we find a solution for this that doesn't involve such hacks at my end.     I  was able to root cause this issue only because the USB device and  software was working correctly before. A new user would just assume that the device is not Linux compatible.     I've filed a bugzilla report here : https://bugzilla.kernel.org/show_bug.cgi?id=220193     This is the software : https://github.com/florentbr/OWON-VDS1022 regards, Amit