From mboxrd@z Thu Jan 1 00:00:00 1970 From: Neil Armstrong Subject: [PATCH 0/3] Add boot_enable attribute to eMMC device for boot mode operation selection Date: Fri, 19 Apr 2013 14:41:42 +0200 Message-ID: <51713B86.2090001@neotion.com> Reply-To: narmstrong@neotion.com Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: Sender: linux-kernel-owner@vger.kernel.org To: linux-mmc@vger.kernel.org Cc: Chris Ball , Namjae Jeon , Linus Walleij , Seungwon Jeon , Subhash Jadavani , linux-kernel@vger.kernel.org List-Id: linux-mmc@vger.kernel.org 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. 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(-)