linux-kernel - Re: [PATCH 10/17] MTD: nand: make reads using MTD_OOB

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Message-ID: <acd2a5931002050056l119844f5s30c30ccfc1a15596@mail.gmail.com>
Date:	Fri, 5 Feb 2010 09:56:02 +0100
From:	Vitaly Wool <vitalywool@...il.com>
To:	Maxim Levitsky <maximlevitsky@...il.com>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	Alex Dubov <oakad@...oo.com>,
	Artem Bityutskiy <dedekind1@...il.com>,
	joern <joern@...fs.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-mtd <linux-mtd@...ts.infradead.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 10/17] MTD: nand: make reads using MTD_OOB_RAW affect only 
	ECC validation

On Fri, Feb 5, 2010 at 12:30 AM, Maxim Levitsky <maximlevitsky@...il.com> wrote:
> This changes the behavier of MTD_OOB_RAW. It used to read both OOB and data
> to the data buffer, however you would still need to specify the dummy oob buffer.
>
> This is only used in one place, but makes it hard to read data+oob without ECC
> test, thus I removed that behavier, and fixed the user.
>
> Now MTD_OOB_RAW behaves like MTD_OOB_PLACE, but doesn't do ECC validation
>
> Signed-off-by: Maxim Levitsky <maximlevitsky@...il.com>
> ---
>  drivers/mtd/nand/nand_base.c |    5 -----
>  drivers/mtd/nand/nand_bbt.c  |   26 ++++++++++++++++++++++----
>  include/linux/mtd/mtd.h      |    4 +---
>  3 files changed, 23 insertions(+), 12 deletions(-)

Could you please provide a clearer description of why you think this
is necessary?

Thanks,
   Vitaly
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