From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Bastian Hecht <hechtb@googlemail.com>
Cc: Magnus Damm <magnus.damm@gmail.com>,
linux-mtd@lists.infradead.org, linux-sh@vger.kernel.org
Subject: Re: [PATCH 8/9] mtd: sh_flctl: Use user oob data in hardware ECC mode
Date: Sat, 21 Apr 2012 17:00:36 +0200 [thread overview]
Message-ID: <7855571.0NdFmdbNxx@avalon> (raw)
In-Reply-To: <1334913230-23615-9-git-send-email-hechtb@gmail.com>
Hi Bastian,
Thanks for the patch.
On Friday 20 April 2012 11:13:49 Bastian Hecht wrote:
> In hardware ecc mode, the flctl now writes and reads the oob data
> provided by the user. Additionally the ECC is now returned in normal
> page reads, not only when using the explicit NAND_CMD_READOOB command.
For my information again, what's the purpose of returning OOB data if the
caller hasn't requested it ? What are those data then used for ?
> Signed-off-by: Bastian Hecht <hechtb@gmail.com>
--
Regards,
Laurent Pinchart
WARNING: multiple messages have this Message-ID (diff)
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Bastian Hecht <hechtb@googlemail.com>
Cc: Magnus Damm <magnus.damm@gmail.com>,
linux-mtd@lists.infradead.org, linux-sh@vger.kernel.org
Subject: Re: [PATCH 8/9] mtd: sh_flctl: Use user oob data in hardware ECC mode
Date: Sat, 21 Apr 2012 15:00:36 +0000 [thread overview]
Message-ID: <7855571.0NdFmdbNxx@avalon> (raw)
In-Reply-To: <1334913230-23615-9-git-send-email-hechtb@gmail.com>
Hi Bastian,
Thanks for the patch.
On Friday 20 April 2012 11:13:49 Bastian Hecht wrote:
> In hardware ecc mode, the flctl now writes and reads the oob data
> provided by the user. Additionally the ECC is now returned in normal
> page reads, not only when using the explicit NAND_CMD_READOOB command.
For my information again, what's the purpose of returning OOB data if the
caller hasn't requested it ? What are those data then used for ?
> Signed-off-by: Bastian Hecht <hechtb@gmail.com>
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2012-04-21 20:07 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-20 9:13 [PATCH 0/9] sh_flctl hardware ECC mode cleanup Bastian Hecht
2012-04-20 9:13 ` Bastian Hecht
2012-04-20 9:13 ` [PATCH 1/9] mtd: sh_flctl: Add support for error IRQ Bastian Hecht
2012-04-20 9:13 ` Bastian Hecht
2012-04-21 14:29 ` Laurent Pinchart
2012-04-21 14:29 ` Laurent Pinchart
2012-04-23 8:41 ` Bastian Hecht
2012-04-23 8:41 ` Bastian Hecht
2012-04-20 9:13 ` [PATCH 2/9] ARM: sh-mobile: mackerel: Add error IRQ resource Bastian Hecht
2012-04-20 9:13 ` Bastian Hecht
2012-04-21 14:30 ` Laurent Pinchart
2012-04-21 14:30 ` Laurent Pinchart
2012-04-23 8:43 ` Bastian Hecht
2012-04-23 8:43 ` Bastian Hecht
2012-04-20 9:13 ` [PATCH 3/9] mtd: sh_flctl: Use different OOB layout Bastian Hecht
2012-04-20 9:13 ` Bastian Hecht
2012-04-21 14:41 ` Laurent Pinchart
2012-04-21 14:41 ` Laurent Pinchart
2012-04-23 8:51 ` Bastian Hecht
2012-04-23 8:51 ` Bastian Hecht
2012-04-20 9:13 ` [PATCH 4/9] mtd: sh_flctl: Fix hardware ECC behaviour Bastian Hecht
2012-04-20 9:13 ` Bastian Hecht
2012-04-20 9:13 ` [PATCH 5/9] mtd: sh_flctl: Simplify the hardware ecc page read/write Bastian Hecht
2012-04-20 9:13 ` Bastian Hecht
2012-04-20 9:13 ` [PATCH 6/9] mtd: sh_flctl: Group sector accesses into a single transfer Bastian Hecht
2012-04-20 9:13 ` Bastian Hecht
2012-04-20 9:13 ` [PATCH 7/9] mtd: sh_flctl: Restructure the hardware ECC handling Bastian Hecht
2012-04-20 9:13 ` Bastian Hecht
2012-04-20 9:13 ` [PATCH 8/9] mtd: sh_flctl: Use user oob data in hardware ECC mode Bastian Hecht
2012-04-20 9:13 ` Bastian Hecht
2012-04-21 15:00 ` Laurent Pinchart [this message]
2012-04-21 15:00 ` Laurent Pinchart
2012-04-23 9:05 ` Bastian Hecht
2012-04-23 9:05 ` Bastian Hecht
2012-04-23 9:36 ` Bastian Hecht
2012-04-23 9:36 ` Bastian Hecht
2012-04-24 9:33 ` Laurent Pinchart
2012-04-24 9:33 ` Laurent Pinchart
2012-04-25 4:01 ` Brian Norris
2012-04-25 4:01 ` Brian Norris
2012-04-25 13:26 ` Bastian Hecht
2012-04-25 13:26 ` Bastian Hecht
2012-04-20 9:13 ` [PATCH 9/9] ARM: sh-mobile: mackerel: Use hardware error correction Bastian Hecht
2012-04-20 9:13 ` Bastian Hecht
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