From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751522AbdJCJ64 convert rfc822-to-8bit (ORCPT ); Tue, 3 Oct 2017 05:58:56 -0400 Received: from smtprelay4.synopsys.com ([198.182.47.9]:37280 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751181AbdJCJ6y (ORCPT ); Tue, 3 Oct 2017 05:58:54 -0400 From: Minas Harutyunyan To: John Youn , John Stultz , lkml CC: Wei Xu , Guodong Xu , "Amit Pundir" , YongQin Liu , John Youn , Minas Harutyunyan , Douglas Anderson , Chen Yu , Felipe Balbi , Greg Kroah-Hartman , "linux-usb@vger.kernel.org" Subject: Re: [RESEND x2][PATCH 0/3] dwc2 fixes for edge cases on hikey Thread-Topic: [RESEND x2][PATCH 0/3] dwc2 fixes for edge cases on hikey Thread-Index: AQHTMkq1fSiD2TKttEaGjxxQhxASTg== Date: Tue, 3 Oct 2017 09:58:47 +0000 Message-ID: <410670D7E743164D87FA6160E7907A560113A21CDB@am04wembxa.internal.synopsys.com> References: <1505937448-13475-1-git-send-email-john.stultz@linaro.org> <2B3535C5ECE8B5419E3ECBE3007729090269FF70AC@US01WEMBX2.internal.synopsys.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.116.70.92] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/30/2017 9:13 PM, John Youn wrote: > On 09/20/2017 12:57 PM, John Stultz wrote: >> So here are a few dwc2 fixes that I've been using with HiKey. >> I'm not totally sure these are all ideal, but they avoid edge case >> issues that we have been running into with switching between >> gadget mode and host mode. >> >> I'd guess the first two are potentially -stable material, and >> the last might be worth sending to -stable too, as its a relatively >> simple fix, but to my understanding the UDC state tracking has >> always been broken so its not really a regression. But still. >> >> I'd love to get some feedback on the patches and consideration >> to be merged upstream. >> >> thanks >> -john >> >> Cc: Wei Xu >> Cc: Guodong Xu >> Cc: Amit Pundir >> Cc: YongQin Liu >> Cc: John Youn >> Cc: Minas Harutyunyan >> Cc: Douglas Anderson >> Cc: Chen Yu >> Cc: Felipe Balbi >> Cc: Greg Kroah-Hartman >> Cc: linux-usb@vger.kernel.org >> >> John Stultz (3): >> usb: dwc2: Improve gadget state disconnection handling >> usb: dwc2: Error out of dwc2_hsotg_ep_disable() if we're in host mode >> usb: dwc2: Fix UDC state tracking >> >> drivers/usb/dwc2/gadget.c | 7 +++++++ >> drivers/usb/dwc2/hcd.c | 8 ++++++-- >> 2 files changed, 13 insertions(+), 2 deletions(-) >> > > Hi John, > > I think we have something that fixes these issues. > > Minas, > > Could you take a look at this? I was not able to find the patches we > talked about. If possible, please post them so that John can try them > out. > > Thanks, > John > Hi John Stultz, Could you please apply patch from Vardan Mikayelyan "usb: dwc2: Fix dwc2_hsotg_core_init_disconnected()" submitted at 02/25/2017 (https://marc.info/?l=linux-usb&m=148801589931039&w=2) instead of your "usb: dwc2: Improve gadget state disconnection handling" and test again failing scenario. Other 2 patches from series "[PATCH 0/3] dwc2 fixes for edge cases on hikey" are Ok. Thanks, Minas