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SubjectRe: [PATCH v4 0/2] mtd: nand: add sunxi NAND flash controller support
Hi Boris,

On Mon, Aug 18, 2014 at 07:26:26PM +0200, Boris BREZILLON wrote:
> This patch series adds support for the sunxi NAND Flash Controller (NFC)
> block.
>
> These two patches only add support for the basic NAND stuff:
> - NAND controller operations
> - SW and HW ECC handling (with both syndrome and normal ECC scheme)
>
> If you want support for advanced features you can find it on my github
> repo [1]:
> - HW randomization support
> - per partition ECC/Randomizer to handle bootloader partitions
>
> DMA transfers are not supported yet, but I have reworked the OOB layout
> when using the HW ECC scheme to match the one used when accessing the NAND
> with DMA transfers (the available OOB bytes are placed at the end of the
> OOB area).
>
> This patch series depends on this other one [2] which adds support for ONFI
> timing mode retrieval on non-ONFI NANDs.

Were you planning to send v2 of your series [2]? I see you made a
mistake you were planning on fixing:

https://lkml.org/lkml/2014/7/30/423

Brian

> Best Regards,
>
> Boris
>
> [1]https://github.com/bbrezillon/linux-sunxi/tree/sunxi-nand-v4
> [2]https://lkml.org/lkml/2014/7/28/156
>
> Changes since v3:
> - removed nand core code modifications from the patch series (submitted
> separately)
> - added documentation to the code
> - forced timeout (a default timeout is used when none is provided by the
> caller) on controller operations
> - fixed coding style issues
> - removed unneeded irq field from the sunxi_nfc struct
> - fixed several memory leaks
> - reworked the NFC reset code (to avoid potential garbage config from the
> bootloader)
> - made use of ECC_EXCEPTION flag to prevent erased page from generating
> ECC errors
> - changed the OOB layout for HW ECC scheme
>
> Changes since v2:
> - merge HW ECC implementation in base implementation patch
> - fix timing config when interfacing with an ONFI compatible chip
>
> Changes since v1:
> - add HW ECC support
> - rework NAND timings retrieval (use ONFI timing mode instead of raw timings)
> - add nand-ecc-level property to specify NAND ECC requirements from DT
>
> Boris BREZILLON (2):
> mtd: nand: add sunxi NAND flash controller support
> mtd: nand: add sunxi NFC dt bindings doc
>
> .../devicetree/bindings/mtd/sunxi-nand.txt | 45 +
> drivers/mtd/nand/Kconfig | 6 +
> drivers/mtd/nand/Makefile | 1 +
> drivers/mtd/nand/sunxi_nand.c | 1362 ++++++++++++++++++++
> 4 files changed, 1414 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mtd/sunxi-nand.txt
> create mode 100644 drivers/mtd/nand/sunxi_nand.c
>


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