Re: [PATCH v6] MTD: atmel_nand: Update driver to support Programmable Multibit ECC controller

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On Wed, 2012-05-09 at 19:00 +0800, Josh Wu wrote:
> The Programmable Multibit ECC (PMECC) controller is a programmable binary
> BCH(Bose, Chaudhuri and Hocquenghem) encoder and decoder. This controller
> can be used to support both SLC and MLC NAND Flash devices. It supports to
> generate ECC to correct 2, 4, 8, 12 or 24 bits of error per sector of data.
> To use this driver, the user needs to pass in the correction capability and
> the sector size.
> This driver has been tested on AT91SAM9X5-EK and AT91SAM9N12-EK with JFFS2,
> YAFFS2, UBIFS and mtd-utils.
> Signed-off-by: Hong Xu <hong.xu@xxxxxxxxx>
> Signed-off-by: Josh Wu <josh.wu@xxxxxxxxx>

The patch is really big - please, split it on more smaller patches.
Besides, it does not compile for me:

ERROR: "of_flat_dt_is_compatible" [drivers/mtd/nand/atmel_nand.ko] undefined!
ERROR: "of_get_flat_dt_root" [drivers/mtd/nand/atmel_nand.ko] undefined!
make[2]: *** [__modpost] Error 1

Best Regards,
Artem Bityutskiy

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