From: Holger Brunck <holger.brunck@keymile.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [0/6] Patch serie UBI min I/O size fixes
Date: Thu, 27 Jan 2011 13:13:25 +0100 [thread overview]
Message-ID: <4D416165.3030200@keymile.com> (raw)
In-Reply-To: <4D41331C.7000302@keymile.com>
Hi,
Brunck, Holger wrote:
> This patch serie fixes a problem in the UBI layer. The min I/O size has
> currently a fixed value of 1 for NOR flashes. But for NOR flashes the min I/O
> size has to be equal to the size of the writebuffer of the flash. Therefore the
> mtd layer was enhanced with the writebuffer which was later on used in the ubi
> layer to set the min I/O size.
>
> This patches fixes problems with flash types with a writebuffersize > 128 Byte
> and is mainly taken from the similar linux patches. See MTD mailing list posts:
> http://lists.infradead.org/pipermail/linux-mtd/2010-December/033460.html
>
> Without the u-boot patches attaching to a ubi device with a min I/O buffer
> larger than 128 would fail.
>
with the same changes in the linux kernel we see incompatibilities for the
UBIFS. Due to this fact the patches should be restrained until this problem is
solved.
See:
http://lists.infradead.org/pipermail/linux-mtd/2011-January/033794.html
Best regards
Holger Brunck
next parent reply other threads:[~2011-01-27 12:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4D41331C.7000302@keymile.com>
2011-01-27 12:13 ` Holger Brunck [this message]
2011-01-27 16:52 ` [U-Boot] [0/6] Patch serie UBI min I/O size fixes Detlev Zundel
2011-01-20 16:16 Holger Brunck
2011-04-04 10:51 ` Stefan Roese
2011-04-04 11:15 ` Holger Brunck
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