From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tim Nordell Subject: Re: DM3730 + MUSB host mode + DMA + USB Ethernet dongle = Fail Date: Thu, 07 May 2015 17:12:33 -0500 Message-ID: <554BE351.7070908@logicpd.com> References: <554AA11B.9040909@logicpd.com> <20150507160606.GB15563@atomide.com> <20150507161656.GB29183@saruman.tx.rr.com> <554BAC48.2050406@logicpd.com> <554BD878.7090907@logicpd.com> <554BDC0D.7010401@logicpd.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from plane.gmane.org ([80.91.229.3]:58948 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751347AbbEGWM6 (ORCPT ); Thu, 7 May 2015 18:12:58 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1YqU2J-0004Um-My for linux-omap@vger.kernel.org; Fri, 08 May 2015 00:12:55 +0200 Received: from 66-162-60-14.static.twtelecom.net ([66.162.60.14]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 08 May 2015 00:12:55 +0200 Received: from tim.nordell by 66-162-60-14.static.twtelecom.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 08 May 2015 00:12:55 +0200 In-Reply-To: <554BDC0D.7010401@logicpd.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-omap@vger.kernel.org Cc: linux-usb@vger.kernel.org On 05/07/15 16:41, Tim Nordell wrote: > I'm going to try another test which limits the TX or RX activity to PIO > mode only just to see what happens if I avoid the trigger listed in that > specific errata (despite the workaround for the errata being present). The system survives this. I'm not sure if it's just because of different usages of the system, or if because there is still an issue with TX/RX DMA at the same time despite the advisory for the hardware still being followed. - Tim