From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 8275D26560A; Tue, 14 Oct 2025 14:53:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760453637; cv=none; b=WYXgLsCMhGqhFFYy5xvB9ZbgEfsCRBLmICzSwX5CTL7x1lLUTnKA45mPgIKsey5UY2lVYfaC08JseAPclCkXN/JDXOSer93HYlvS5yRCrADh6g673jOWZm0M3l/u5pt5uU1+b6rWhWT6Q8fdp6eG5VTVpveltM6GzOBaTO9OoMU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760453637; c=relaxed/simple; bh=t55w1mcoaaGAMC5XxQnXSI+Z5BnivzmiFCBAuKu0hyk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=uB3cBneXFoDimiQ1qsYwMuTZSBzSDho9uZV2b+rJS3K2FiFtu2x3/HW4Waz/ugQI4+2bx914aeBrCQcqQUmDNmWi1CCaTvA2VpIRssn+X1HVifR50zwLu3MW2TVraDl8QDU/b5TtPaDjmeQPhzHWpIkWbYJ31UtDr1huCkJm5Q4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sWND95o5; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="sWND95o5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D3E3C4CEE7; Tue, 14 Oct 2025 14:53:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760453637; bh=t55w1mcoaaGAMC5XxQnXSI+Z5BnivzmiFCBAuKu0hyk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=sWND95o5fT67auIvjppHdA+vqXT1+rEl9L8fvOBRmSAh648FeDgX8frpLlriHsLWU C6+pmrRpzggc9+z/KPdme9qRyUi6S0OsMyUWiJlAMFATrkGV4vR9z5oVdPrrOnhwS7 bOHB335vK0qTvCce1U1e1JtpMnC38Nue0FYe9nufFoHAY45WeUbXT6wr/UWPoT+dpe eVD/F2UxWyXApL7XI/bCEIpw9uxyiALzlV4p0er+DK2qUu9q7TTHNinXAuPMs7YWTD DNxkZG6GvDtb2KYUp0GgBmqwKemiyN9evrML6iXtQBapNcN+FyhviFYEdaNNUPnNR/ /0ghvlq+HnRMw== Received: from johan by xi.lan with local (Exim 4.98.2) (envelope-from ) id 1v8gPU-000000004Hk-2UTP; Tue, 14 Oct 2025 16:53:56 +0200 Date: Tue, 14 Oct 2025 16:53:56 +0200 From: Johan Hovold To: Oleksandr Suvorov Cc: Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] USB: serial: ftdi_sio: add device ID for U-Blox EVK-M101 Message-ID: References: <20250926060235.3442748-1-cryosay@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20250926060235.3442748-1-cryosay@gmail.com> On Fri, Sep 26, 2025 at 09:02:35AM +0300, Oleksandr Suvorov wrote: > The U-Blox Missing product name? > has a USB Type-C port that presents itself as a USB device > (1546:0506) [1] with four attached FTDI serial ports, connected to: > - EVK-M101 current sensors > - EVK-M101 I2C > - EVK-M101 UART > - EVK-M101 port D > > This commit registers U-Blox's VID/PID of this device so that FTDI SIO driver > successfully registers these 4 serial ports. Are you sure you should not just register the UART port? Some FTDI chips support I2C but you'd need a different driver for that. > [1] > usb 5-1.3: new high-speed USB device number 11 using xhci_hcd > usb 5-1.3: New USB device found, idVendor=1546, idProduct=0506, bcdDevice= 8.00 > usb 5-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > usb 5-1.3: Product: EVK-M101 > usb 5-1.3: Manufacturer: u-blox AG > > Datasheet: https://content.u-blox.com/sites/default/files/documents/EVK-M10_UserGuide_UBX-21003949.pdf The user guide also says "Do not use this COM port" for all ports but the UART port. Johan