linux-kernel - [PATCH v4 0/2] mmc: core: Support packed command feature of eMMC4.5

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Date:	Thu, 26 Jan 2012 18:04:56 +0900
From:	Seungwon Jeon <tgih.jun@...sung.com>
To:	linux-mmc@...r.kernel.org
Cc:	'Chris Ball' <cjb@...top.org>, linux-kernel@...r.kernel.org
Subject: [PATCH v4 0/2] mmc: core: Support packed command feature of eMMC4.5

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


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