From mboxrd@z Thu Jan 1 00:00:00 1970 From: Seungwon Jeon Subject: [PATCH v4 0/2] mmc: core: Support packed command feature of eMMC4.5 Date: Thu, 26 Jan 2012 18:04:56 +0900 Message-ID: <000901ccdc09$92daf020$b890d060$%jun@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Content-language: ko Sender: linux-kernel-owner@vger.kernel.org To: linux-mmc@vger.kernel.org Cc: 'Chris Ball' , linux-kernel@vger.kernel.org List-Id: linux-mmc@vger.kernel.org This patch-set adds support of packed command feature for eMMC4.5 devices. Changes in v4: - Add Data-tag as CMD23 argument for packed header. - Separate the capability of MMC_CAP2_PACKED_CMD into read and write. - remove unnecessary initial value. Changes in v3: - Add a variable member in mmc_host for minimum number of packed entries. This value can be overridden by host. - Fix a handling of error sequence. Changes in v2: - Fix the packed read sequence and error handling. - Apply checking the exception status for all cases with the comments from Maya Erez and Sahitya Tummala. - Fix preparing the packed list with the comment from Maya Erez and Venkatraman. Seungwon Jeon (2): mmc: core: Add packed command feature of eMMC4.5 mmc: core: Support packed command for eMMC4.5 device drivers/mmc/card/block.c | 475 +++++++++++++++++++++++++++++++++++++++++--- drivers/mmc/card/queue.c | 48 ++++- drivers/mmc/card/queue.h | 13 ++ drivers/mmc/core/host.c | 2 + drivers/mmc/core/mmc.c | 24 +++ drivers/mmc/core/mmc_ops.c | 1 + include/linux/mmc/card.h | 3 + include/linux/mmc/core.h | 4 + include/linux/mmc/host.h | 4 + include/linux/mmc/mmc.h | 15 ++ 10 files changed, 562 insertions(+), 27 deletions(-) Best regards, Seungwon Jeon. -- 1.7.2.3