From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CBAD4C4332F for ; Fri, 1 Oct 2021 02:40:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B664B611C1 for ; Fri, 1 Oct 2021 02:40:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351640AbhJACm2 convert rfc822-to-8bit (ORCPT ); Thu, 30 Sep 2021 22:42:28 -0400 Received: from rtits2.realtek.com ([211.75.126.72]:39036 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230260AbhJACm1 (ORCPT ); Thu, 30 Sep 2021 22:42:27 -0400 Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 1912e6Ho9025237, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36503.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.71/5.88) with ESMTPS id 1912e6Ho9025237 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Fri, 1 Oct 2021 10:40:06 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36503.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.14; Fri, 1 Oct 2021 10:40:05 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXMBS04.realtek.com.tw (172.21.6.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Fri, 1 Oct 2021 10:40:05 +0800 Received: from RTEXMBS04.realtek.com.tw ([fe80::cdd5:82a3:e854:7098]) by RTEXMBS04.realtek.com.tw ([fe80::cdd5:82a3:e854:7098%5]) with mapi id 15.01.2106.013; Fri, 1 Oct 2021 10:40:05 +0800 From: Hayes Wang To: Alan Stern , Oliver Neukum CC: Jason-ch Chen , "matthias.bgg@gmail.com" , "linux-usb@vger.kernel.org" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-mediatek@lists.infradead.org" , "Project_Global_Chrome_Upstream_Group@mediatek.com" , "hsinyi@google.com" , nic_swsd Subject: RE: [PATCH] r8152: stop submitting rx for -EPROTO Thread-Topic: [PATCH] r8152: stop submitting rx for -EPROTO Thread-Index: AQHXtPF6mRt31KuIqUSf0ySwz113xKu6nqYQ//+g0oCAAYwXgIAAYT6AgAFAzFA= Date: Fri, 1 Oct 2021 02:40:05 +0000 Message-ID: <3694347f29ed431e9f8f2c065b8df0a7@realtek.com> References: <20210929051812.3107-1-jason-ch.chen@mediatek.com> <4c2ad5e4a9747c59a55d92a8fa0c95df5821188f.camel@mediatek.com> <274ec862-86cf-9d83-7ea7-5786e30ca4a7@suse.com> <20210930151819.GC464826@rowland.harvard.edu> In-Reply-To: <20210930151819.GC464826@rowland.harvard.edu> Accept-Language: zh-TW, en-US Content-Language: zh-TW X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.21.177.203] x-kse-serverinfo: RTEXMBS04.realtek.com.tw, 9 x-kse-attachmentfiltering-interceptor-info: no applicable attachment filtering rules found x-kse-antivirus-interceptor-info: scan successful x-kse-antivirus-info: =?us-ascii?Q?Clean,_bases:_2021/9/29_=3F=3F_11:27:00?= x-kse-bulkmessagesfiltering-scan-result: protection disabled Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-KSE-ServerInfo: RTEXH36503.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Alan Stern [...] > There has been some discussion about this in the past. > > In general, -EPROTO is almost always a non-recoverable error. Excuse me. I am confused about the above description. I got -EPROTO before, when I debugged another issue. However, the bulk transfer still worked after I resubmitted the transfer. I didn't do anything to recover it. That is why I do resubmission for -EPROTO. Best Regards, Hayes