From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 68B1E366DD3; Mon, 10 Aug 2026 11:45:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786362307; cv=none; b=Z+jverJDZl16+h20nklVTB6haO8AO7l9J81vg6ciGFGl9WdPMI+K+eVcrLDSSqoIW2452qivlvLfPPfX+GM31x+GwETkz4Rvk6IxjuICuxWIQoGr7DXzCbWZXIVAKUMXC/AB6cBI1TaoFTu2+wtLP14HmlDO0olE9E/3inY5Y3o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786362307; c=relaxed/simple; bh=aCxVOAs8OztsOhrfHVX8vKZvqlbECd7LnbMDY8Bhg0M=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=h+qEwSjnMajkOXo2hkh8SU44SBjTy6Toy3bw9lnV3P3soc+KZz7aLAXMz5HUMfiiUVszBEvnBS1DNITBA0w2p3oIpHXurEiE4Eea56ksLzxCRtgHPxoAbAYFUuSFPzmYjfzEJ+HxRPLuR78omviUUmUNMl5gDn02N0KAP6suocg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=fSGxLyn0; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="fSGxLyn0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 835341F000E9; Mon, 10 Aug 2026 11:45:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786362305; bh=AF0PGB3FWIcOFFuVknp7OizKXV5A9/FlRyocVu903tc=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=fSGxLyn08K0nr4R/0tpgAwa5K0TAjzoam8WLzQ9aUKt3/PRy1gHu6DqTYfd6a0PX1 7HR/Xb+gq/Bf28Ms5eck43jQN8cuGiA7W5QV/BGMDTM0tlRARZD5X7lsC7TfgixG2o yxMNCGoDAZFcEb3rSwTmzCDE8PaZNOi3mCT7NCH0= Date: Mon, 10 Aug 2026 13:43:33 +0200 From: Greg Kroah-Hartman To: Huang Wei Cc: Johan Hovold , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, leStoppe Subject: Re: [PATCH] USB: serial: simple: narrow OWON match to avoid breaking VDS1022 Message-ID: <2026081002-helium-geologic-bb5a@gregkh> References: <20260810091322.2201740-1-huangwei@kylinos.cn> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260810091322.2201740-1-huangwei@kylinos.cn> On Mon, Aug 10, 2026 at 05:13:22PM +0800, Huang Wei wrote: > Commit 4cc01410e1c1 ("USB: serial: simple: add OWON HDS200 series > oscilloscope support") added a USB_DEVICE() match on VID:PID > 0x5345:0x1234. OWON uses this same VID:PID across multiple device > families (HDS, VDS, SDS, PDS), so the overly broad match causes the > owon driver to also bind to devices like the VDS1022, which previously > worked fine with the generic usbserial driver. Where is the "owon driver" located at? Is it just a userspace program or a real kernel driver? thanks, greg k-h