From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga18.intel.com ([134.134.136.126]:31180 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933939AbeF2GYW (ORCPT ); Fri, 29 Jun 2018 02:24:22 -0400 From: Felipe Balbi To: liangshengjun , Alan Stern Cc: "stable\@vger.kernel.org" , "linux-usb\@vger.kernel.org" Subject: Re: =?utf-8?B?562U5aSNOg==?= make a confirm for [usb: dwc3: gadget: skip Set/Clear Halt when invalid] In-Reply-To: <84923CA334DF85428B9ADCEC0F3CE864BA1EA4@dggemm510-mbx.china.huawei.com> References: <878t73ux28.fsf@linux.intel.com> <84923CA334DF85428B9ADCEC0F3CE864BA1EA4@dggemm510-mbx.china.huawei.com> Date: Fri, 29 Jun 2018 09:21:14 +0300 Message-ID: <874lhmf6zp.fsf@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: stable-owner@vger.kernel.org List-ID: (no top-posting!!) liangshengjun writes: > Hi balbi, > > It means that the mainline keep checking stall status first before > handle clear-halt request? as usb spec, it's actually okay to send > Clear Halt at any time. But dwc3 core hanging with macOS adb > application, so I think there is other rootcase why dwc3 hanging , and > current patch just for avoid this case. Right? that's correct. There's another problem happening that causes dwc3 to hang. I guess I'll just revert that patch since it causes more problems than solve. > If someday WindonwPC/LINUX PC meet this case again liked my case, > would you plan to revert it ? or other plan ? I'll just revert it. -- balbi