Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934212AbcKWJGf (ORCPT ); Wed, 23 Nov 2016 04:06:35 -0500 Received: from szxga03-in.huawei.com ([119.145.14.66]:44196 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933649AbcKWJFy (ORCPT ); Wed, 23 Nov 2016 04:05:54 -0500 Subject: Re: [PATCH 01/11] hisi_sas: add v2 hw support for ECC and AXI bus fatal error To: Zhangfei Gao References: <1478522920-108145-1-git-send-email-john.garry@huawei.com> <1478522920-108145-2-git-send-email-john.garry@huawei.com> CC: , , , , "linux-kernel@vger.kernel.org" , John Garry , Xiang Chen From: John Garry Message-ID: Date: Wed, 23 Nov 2016 08:59:16 +0000 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.203.181.152] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 549 Lines: 22 On 16/11/2016 01:47, Zhangfei Gao wrote: > On Mon, Nov 7, 2016 at 8:48 PM, John Garry wrote: >> From: Xiang Chen >> >> For ECC 1bit error, logic can recover it, so we only print >> a warning. >> For ECC multi-bit and AXI bus fatal error, we panic. > > Is it possible to recover via resetting phy and device etc instead of panic? > > Thanks > > Hi Zhangfei, We are actually now working on supporting controller reset for certain AXI/ECC errors, so that we will not need to panic. Thanks, John