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Re: [PATCH v3] mtd: nand support for Toshiba BENAND (Built-in ECC NAND)

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On Fri, Jul 24, 2015 at 09:52:18AM +0900, KOBAYASHI Yoshitake wrote:
> This patch enables support for Toshiba BENAND. BENAND is a SLC NAND
> solution that automatically generates ECC inside NAND chip.
> 
> I considered to use the patch of on-die ECC, but I believe reading twice
> the same page approach will affect read performance. Additionally, BENAND
> does not support Disable ECC. So, I cannot use same approach.
> 
> BENAND Read Status CMD(70h) is able to report Rewrite Recommend. BENAND
> also has extended ECC Status CMD(7Ah). This command is able to report the
> number of bit error/sector data. When MTD_NAND_BENAND_ENABLE option enabled,
> this driver use the extended ECC status CMD(7Ah) to report real number of
> bitflips. In case of difficult to use CMD(7Ah), this driver use
> "mtd->bitflip_threshold" to assume the number of bitflips.
> 
> Signed-off-by: KOBAYASHI Yoshitake <yoshitake.kobayashi@toshiba.co.jp>
> ---

Where's the changelog? I see that this is version 3...

Brian
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[PATCH v3] mtd: nand support for Toshiba BENAND (Built-in ECC NAND) KOBAYASHI Yoshitake <yoshitake.kobayashi@toshiba.co.jp> - 2015-07-24 03:00 +0200
  Re: [PATCH v3] mtd: nand support for Toshiba BENAND (Built-in ECC  NAND) Brian Norris <computersforpeace@gmail.com> - 2015-07-24 03:50 +0200

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