linux-kernel - [PATCH v4 0/4] mtd: nand: gpmi: add proper raw access support

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Message-Id: <1413794777-32220-1-git-send-email-boris.brezillon@free-electrons.com>
Date:	Mon, 20 Oct 2014 10:46:13 +0200
From:	Boris Brezillon <boris.brezillon@...e-electrons.com>
To:	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	linux-mtd@...ts.infradead.org, Huang Shijie <shijie8@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Mike Voytovich <mvoytovich@...pal.com>,
	Roy Lee <roylee@...pal.com>,
	Boris Brezillon <boris.brezillon@...e-electrons.com>
Subject: [PATCH v4 0/4] mtd: nand: gpmi: add proper raw access support

Hello,

This series provides an implementation for raw accesses taking care of
hidding the specific layout used by the GPMI controller.

I also updated the nand_ecc_ctrl struct documentation to clearly state that
specific layouts should be hidden when accessing the NAND chip in raw mode.

Best Regards,

Boris

Changes since v3:
 - add comments to the gpmi_move_bits function
 - extend raw read/write documentation
 - move last part of the raw_page_read function into a conditional block

Changes since v2:
 - fixed a bug in gpmi_move_bits
 - add a raw_buffer field to be used when using raw access methods
   (experienced memory corruptions when directly using page_buffer_virt
   buffer)
 - add raw OOB access functions


Boris Brezillon (4):
  mtd: nand: provide detailed description for raw read/write page
    methods
  mtd: nand: gpmi: add gpmi_move_bits function
  mtd: nand: gpmi: add proper raw access support
  mtd: nand: gpmi: add raw oob access functions

 drivers/mtd/nand/gpmi-nand/gpmi-lib.c  | 129 +++++++++++++++++++++++++++++
 drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 146 +++++++++++++++++++++++++++++++++
 drivers/mtd/nand/gpmi-nand/gpmi-nand.h |   6 ++
 include/linux/mtd/nand.h               |  17 +++-
 4 files changed, 296 insertions(+), 2 deletions(-)

-- 
1.9.1

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