From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753463AbbCINc0 (ORCPT ); Mon, 9 Mar 2015 09:32:26 -0400 Received: from mga03.intel.com ([134.134.136.65]:4174 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751931AbbCINcY (ORCPT ); Mon, 9 Mar 2015 09:32:24 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,367,1422950400"; d="scan'208";a="689172774" Message-ID: <1425907939.3838.182.camel@linux.intel.com> Subject: Re: [RFC] With 8250 Designware UART, if writes to the LCR failed the kernel will hung up From: Alan Cox To: "long.wanglong" Cc: Tim Kryger , Peter Hurley , Zhang Zhen , linux-serial@vger.kernel.org, Linux Kernel Mailing List , Tim Kryger , gregkh@linuxfoundation.org, jamie@jamieiles.com, arnd@arndb.de, shenjiangjiang@huawei.com, Wang Kai Date: Mon, 09 Mar 2015 13:32:19 +0000 In-Reply-To: <54FD4779.3020902@huawei.com> References: <54F96F5B.2090601@huawei.com> <54F9DACA.3020103@hurleysoftware.com> <54FD4779.3020902@huawei.com> Organization: Intel Corporation Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.12.9 (3.12.9-1.fc21) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Maybe the next release of the board we will upgrade the serial block to the new version. > but the issue is that how we circumvent this problem in kernel? What is the official vendor workaround ? Alan