Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753406AbbHZSJe (ORCPT ); Wed, 26 Aug 2015 14:09:34 -0400 Received: from foo.stuge.se ([212.116.89.98]:49815 "EHLO foo.stuge.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751788AbbHZSJd (ORCPT ); Wed, 26 Aug 2015 14:09:33 -0400 Message-ID: <20150826180930.21386.qmail@stuge.se> Date: Wed, 26 Aug 2015 20:09:30 +0200 From: Peter Stuge To: Johan Hovold Cc: Ajay Garg , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: Re: Likely issue with ch341 kernel-module/driver Mail-Followup-To: Johan Hovold , Ajay Garg , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org References: <20150826170440.GB28324@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150826170440.GB28324@localhost> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 999 Lines: 35 Johan Hovold wrote: > On Wed, Aug 26, 2015 at 09:39:36PM +0530, Ajay Garg wrote: .. > > garbage characters transmitted from embedded-device .. > > It seems that there is some issue with the driver. > > Why do think it's a driver issue? I can confirm similar issues with the in-tree driver and my hardware. > > Any chance this can be made to work? Ajay, please try building the vendor driver. That works well for me. > > Any upgrade that might solve the issue? There is no upgrade. Someone needs to spend a day or so on adding functionality from the vendor driver to the in-tree driver, in a backwards-compatible way. > Looks like a hardware issue, I'm afraid. When I got garbage from the in-tree driver it was indeed a driver issue. //Peter -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/