Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751624Ab3DVEzM (ORCPT ); Mon, 22 Apr 2013 00:55:12 -0400 Received: from mail-pd0-f173.google.com ([209.85.192.173]:41460 "EHLO mail-pd0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751141Ab3DVEzG (ORCPT ); Mon, 22 Apr 2013 00:55:06 -0400 MIME-Version: 1.0 In-Reply-To: <51713B86.2090001@neotion.com> References: <51713B86.2090001@neotion.com> Date: Mon, 22 Apr 2013 13:55:04 +0900 Message-ID: Subject: Re: [PATCH 0/3] Add boot_enable attribute to eMMC device for boot mode operation selection From: Namjae Jeon To: narmstrong@neotion.com Cc: linux-mmc@vger.kernel.org, Chris Ball , Linus Walleij , Seungwon Jeon , Subhash Jadavani , "linux-kernel@vger.kernel.org" , Nam-Jae Jeon Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1469 Lines: 38 2013/4/19, Neil Armstrong : > Since eMMC 4.3 a special boot mode operation was introduced to retrieve > data from the eMMC device with a very simple procedure. Since the Linux > kernel exports these device boot partitions, it may be useful to select > the boot partition from the user space. > > The patch has been tested on a Toshiba eMMC conforming with eMMC 4.5 > specifications. Hi Neil. We can be enable boot partition using mmc-utils. See this address. https://git.kernel.org/cgit/linux/kernel/git/cjb/mmc-utils.git/commit/?id=7bd1320b2cb38f040ab5cf017d17e283496690bf So, I don't think this patch is useful. If you consider to be disable boot partition, you can try to update mmc-utils base on the address I shared. Thanks. > > Neil Armstrong (3): > Add BOOT_PARTITION_ENABLE definition to MMC EXT_CSD PART_CONFIG > Add boot_enable sysfs attribute to select MMC boot operation > partition > Add Documentation for MMC boot_enable attribute > > Documentation/mmc/mmc-dev-parts.txt | 6 +++ > drivers/mmc/card/block.c | 72 > ++++++++++++++++++++++++++++++++++- > include/linux/mmc/mmc.h | 1 + > 3 files changed, 78 insertions(+), 1 deletions(-) > > > -- 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/