[PATCH 0/4] mtd: nand: OMAP: Add support to use ELM as error correction module

[Philip, Avinash]

Adds support to use ELM as BCH 4 & 8 bit error correction module and
adds support for single shot read_page and write_page functions

Platforms containing the ELM module can be used to correct errors
reported by BCH 4, 8 & 16 bit ECC scheme. For now only 4 & 8 bit
support is added.

BCH 4 & 8 bit error detection support is already available in mainline
kernel and works with software error correction.

This series is based on top of [1] &[2]

1. linux-next/master
2. linux-omap-dt/for_3.7/dts_part2

Nand driver tested for BCH 4 & 8 bit error correction per sector.
This being tested by introducing bit errors at multiple sectors inside page.

Philip, Avinash (4):
  mtd: nand: omap2: Update nerrors using ecc.strength
  mtd: devices: elm: Add support for ELM error correction
  ARM: OMAP2: gpmc: Add support for BCH ECC scheme
  mtd: nand: omap2: Add data correction support

 arch/arm/mach-omap2/gpmc.c                   |  120 +++++++-
 arch/arm/plat-omap/include/plat/gpmc.h       |    1 +
 drivers/mtd/devices/Makefile                 |    4 +-
 drivers/mtd/devices/elm.c                    |  446 ++++++++++++++++++++++++++
 drivers/mtd/nand/omap2.c                     |  368 +++++++++++++++++++--
 include/linux/platform_data/elm.h            |   64 ++++
 include/linux/platform_data/mtd-nand-omap2.h |    1 +
 7 files changed, 958 insertions(+), 46 deletions(-)
 create mode 100644 drivers/mtd/devices/elm.c
 create mode 100644 include/linux/platform_data/elm.h

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