From: Scott Wood <scottwood@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/4] env_nand.c: support falling back to redundant env when writing
Date: Tue, 27 Nov 2012 16:04:15 -0600 [thread overview]
Message-ID: <1354053855.2317.10@tyr> (raw)
In-Reply-To: <1353502761-12640-2-git-send-email-phil.sutter@viprinet.com> (from phil.sutter@viprinet.com on Wed Nov 21 06:59:19 2012)
On 11/21/2012 06:59:19 AM, Phil Sutter wrote:
> Without this patch, when the currently chosen environment to be
> written
> has bad blocks, saveenv fails completely. Instead, when there is
> redundant environment fall back to the other copy. Environment reading
> needs no adjustment, as the fallback logic for incomplete writes
> applies
> to this case as well.
>
> Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Isn't this what CONFIG_ENV_RANGE is supposed to deal with?
Redundant environment is to deal with other problems such as a power
failure during saveenv. If you just fall back to the other copy,
you're silently losing the redundancy.
-Scott
next prev parent reply other threads:[~2012-11-27 22:04 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-21 12:59 [U-Boot] [PATCH 1/4] Optimized nand_read_buf for kirkwood Phil Sutter
2012-11-21 12:59 ` [U-Boot] [PATCH 2/4] env_nand.c: support falling back to redundant env when writing Phil Sutter
2012-11-27 22:04 ` Scott Wood [this message]
2012-11-28 21:06 ` Phil Sutter
2012-12-06 18:18 ` Scott Wood
2012-12-07 11:53 ` Phil Sutter
2012-12-07 16:58 ` Phil Sutter
2012-12-07 17:38 ` Scott Wood
2012-12-10 13:41 ` Phil Sutter
2012-12-11 23:12 ` Scott Wood
2012-12-20 21:28 ` Phil Sutter
2012-12-20 21:41 ` Scott Wood
2012-12-21 10:34 ` Phil Sutter
2012-12-22 2:29 ` Scott Wood
2012-11-21 12:59 ` [U-Boot] [PATCH 3/4] env_nand.c: do warn only if really no valid environment could be loaded Phil Sutter
2012-11-27 22:06 ` Scott Wood
2012-11-27 22:07 ` Scott Wood
2013-02-20 0:33 ` Scott Wood
2012-11-21 12:59 ` [U-Boot] [PATCH 4/4] common/env_nand.c: calculate crc only when readenv was OK Phil Sutter
2012-11-26 3:46 ` [U-Boot] [PATCH 1/4] Optimized nand_read_buf for kirkwood Prafulla Wadaskar
2012-11-26 10:29 ` Phil Sutter
2012-11-26 10:33 ` Phil Sutter
2012-11-26 23:39 ` Scott Wood
2012-12-20 6:44 ` Prafulla Wadaskar
2012-12-20 10:55 ` Phil Sutter
2013-02-21 17:21 ` [U-Boot] Version 2 of Kirkwood and env_nand improvements Phil Sutter
2013-02-21 17:21 ` [U-Boot] [PATCHv2 1/4] Optimized nand_read_buf for kirkwood (V3) Phil Sutter
2013-02-23 1:26 ` Scott Wood
2013-02-21 17:21 ` [U-Boot] [PATCHv2 2/4] env_nand.c: support falling back to redundant env when writing Phil Sutter
2013-02-23 1:32 ` Scott Wood
2013-02-21 17:21 ` [U-Boot] [PATCHv2 3/4] env_nand.c: clarify log messages when env reading fails Phil Sutter
2013-02-23 1:59 ` Scott Wood
2013-02-25 9:39 ` Phil Sutter
2013-02-25 22:40 ` Scott Wood
2013-02-21 17:21 ` [U-Boot] [PATCHv2 4/4] common/env_nand.c: calculate crc only when readenv was OK Phil Sutter
2013-02-23 2:00 ` Scott Wood
2013-06-26 18:25 ` [U-Boot] Version 3 of Kirkwood and env_nand improvements Phil Sutter
2013-06-26 18:25 ` [U-Boot] [PATCH v3 1/2] Optimized nand_read_buf for kirkwood Phil Sutter
2013-06-27 10:02 ` Albert ARIBAUD
2013-08-19 23:29 ` [U-Boot] [U-Boot,v3,1/2] " Scott Wood
2013-06-26 18:25 ` [U-Boot] [PATCH v3 2/2] env_nand.c: support falling back to redundant env when writing Phil Sutter
2013-07-17 22:25 ` Scott Wood
2013-07-19 10:09 ` Phil Sutter
2013-07-19 10:20 ` [U-Boot] [PATCH] " Phil Sutter
2013-07-19 10:30 ` Phil Sutter
2013-08-22 22:50 ` [U-Boot] " Scott Wood
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