From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758957Ab2CTA36 (ORCPT ); Mon, 19 Mar 2012 20:29:58 -0400 Received: from wolverine01.qualcomm.com ([199.106.114.254]:25977 "EHLO wolverine01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757134Ab2CTA35 (ORCPT ); Mon, 19 Mar 2012 20:29:57 -0400 X-IronPort-AV: E=McAfee;i="5400,1158,6654"; a="173890283" Date: Mon, 19 Mar 2012 17:29:55 -0700 From: David Brown To: "peter.meng" Cc: linux-kernel@vger.kernel.org Subject: Re: How about the MMC/SDIO host controller standard under Linux ? Message-ID: <20120320002955.GA26604@codeaurora.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 19, 2012 at 10:39:29AM +0800, peter.meng wrote: > I see the drivers/mmc/host/sdhci.h define the common register as > describe within > Part_A2_SD_Host_Controller_Simplified_Specification_Ver3.00_Final_110225.pdf > In this case all command related access register is common .(sdhci-xxx.c) > Does this mean all sdhci-xxx.c that will support SD host controller standard ? > I see most code such as s3cmci.c ,msm_sdcc.c that has their only > private register that access by such as mmc_host_ops->request function > . > I want to know whether this mean these host controller doesn't support > SD host controller standard ? There are numerous SD host controllers that aren't SDHCI. David -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.