linux-kernel - Re: [PATCH v4 1/5] mtd: nand: return consistent error codes in ecc.correct() implementations

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Message-ID: <20160107024812.GZ109450@google.com>
Date:	Wed, 6 Jan 2016 18:48:12 -0800
From:	Brian Norris <computersforpeace@...il.com>
To:	Boris Brezillon <boris.brezillon@...e-electrons.com>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	linux-mtd@...ts.infradead.org,
	"Franklin S Cooper Jr." <fcooper@...com>,
	Maxim Levitsky <maximlevitsky@...il.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/5] mtd: nand: return consistent error codes in
 ecc.correct() implementations

On Wed, Dec 30, 2015 at 08:32:03PM +0100, Boris Brezillon wrote:
> The error code returned by the ecc.correct() are not consistent over the
> all implementations.
> 
> Document the expected behavior in include/linux/mtd/nand.h and fix
> offending implementations.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon@...e-electrons.com>
> ---
>  drivers/mtd/nand/atmel_nand.c   |  2 +-
>  drivers/mtd/nand/bf5xx_nand.c   | 20 ++++++++++++++------
>  drivers/mtd/nand/davinci_nand.c |  6 +++---
>  drivers/mtd/nand/jz4740_nand.c  |  4 ++--
>  drivers/mtd/nand/mxc_nand.c     |  4 ++--
>  drivers/mtd/nand/nand_bch.c     |  2 +-
>  drivers/mtd/nand/nand_ecc.c     |  2 +-
>  drivers/mtd/nand/omap2.c        |  6 +++---
>  drivers/mtd/nand/r852.c         |  4 ++--
>  include/linux/mtd/nand.h        |  8 +++++++-
>  include/linux/mtd/nand_bch.h    |  2 +-
>  11 files changed, 37 insertions(+), 23 deletions(-)

Pushed patch 1, with added commentary about the bf5xx_nand bugfix.

Brian
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