Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934221AbbLPPZY (ORCPT ); Wed, 16 Dec 2015 10:25:24 -0500 Received: from mail-qk0-f179.google.com ([209.85.220.179]:36109 "EHLO mail-qk0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754631AbbLPPZV (ORCPT ); Wed, 16 Dec 2015 10:25:21 -0500 Date: Wed, 16 Dec 2015 10:25:19 -0500 From: Tejun Heo To: Yuantian.Tang@freescale.com Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] ahci: qoriq: Update the default Rx watermark value Message-ID: <20151216152519.GF4026@mtj.duckdns.org> References: <1450244630-10065-1-git-send-email-Yuantian.Tang@freescale.com> <1450244630-10065-2-git-send-email-Yuantian.Tang@freescale.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1450244630-10065-2-git-send-email-Yuantian.Tang@freescale.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 853 Lines: 23 On Wed, Dec 16, 2015 at 01:43:50PM +0800, Yuantian.Tang@freescale.com wrote: > From: Tang Yuantian > > The PTC[RXWM] sets the watermark value for Rx FIFO. The default > value 0x20 might be insufficient for some hard drives. If the > watermark value is too small, a single-cycle overflow may occur > and is reported as a CRC or internal error in the PxSERR register. > Updated the value to 0x29 according to the validation test. > All LS platforms are affected. > > Signed-off-by: Tang Yuantian Applied 1-2 to libata/for-4.5. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/