From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755057AbcEXKZw (ORCPT ); Tue, 24 May 2016 06:25:52 -0400 Received: from lucky1.263xmail.com ([211.157.147.135]:48989 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751332AbcEXKZu (ORCPT ); Tue, 24 May 2016 06:25:50 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 X-RL-SENDER: shawn.lin@rock-chips.com X-FST-TO: devicetree@vger.kernel.org X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: shawn.lin@rock-chips.com X-UNIQUE-TAG: <7cc90c39ab9f4552c1b6117bf996abc8> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 Subject: Re: [PATCH v5 3/5] mmc: core: implement enhanced strobe support To: Jaehoon Chung References: <1463976789-29618-1-git-send-email-shawn.lin@rock-chips.com> <1463976835-29780-1-git-send-email-shawn.lin@rock-chips.com> <574425A3.6090303@samsung.com> <1f67fa2e-9a14-819d-8d75-3b35be819f0d@rock-chips.com> <574429DF.1000501@samsung.com> Cc: Ulf Hansson , shawn.lin@rock-chips.com, Adrian Hunter , Michal Simek , soren.brinkmann@xilinx.com, Rob Herring , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Doug Anderson , Brian Norris , Heiko Stuebner , linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org From: Shawn Lin Message-ID: <53532571-a8c3-8916-4e98-fd497e37a3ae@rock-chips.com> Date: Tue, 24 May 2016 18:25:35 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 MIME-Version: 1.0 In-Reply-To: <574429DF.1000501@samsung.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2016/5/24 18:15, Jaehoon Chung 写道: > On 05/24/2016 07:11 PM, Shawn Lin wrote: >> 在 2016/5/24 17:57, Jaehoon Chung 写道: >>> On 05/23/2016 01:13 PM, Shawn Lin wrote: >>>> Controllers use data strobe line to latch data from devices >>>> under hs400 mode, but not for cmd line. So since emmc 5.1, JEDEC >>>> introduces enhanced strobe mode for latching cmd response from >>>> emmc devices to host controllers. This new feature is optional, >>>> so it depends both on device's cap and host's cap to decide >>>> whether to use it or not. >>>> [...] > > Ok. I have tested with my exynos board. It's working fine. > > Tested-by: Jaehoon Chung > Reviewed-by: Jaehoon Chung > Thanks for your test and review, Jaehoon. > Best Regards, > Jaehoon Chung > -- Best Regards Shawn Lin