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Date: Wed, 9 Apr 2008 16:01:05 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: "Joakim Tjernlund" <Joakim.Tjernlund@transmode.se>
Subject: Re: [PATCH] Fix of broken state in CFI driver caused by FL_SHUTDOWN
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On Thu, 10 Apr 2008 00:57:07 +0200
"Joakim Tjernlund" <Joakim.Tjernlund@transmode.se> wrote:

> > -----Original Message-----
> > From: linux-mtd-bounces@lists.infradead.org [mailto:linux-mtd-bounces@lists.infradead.org] On Behalf
> > Of Alexey Korolev
> > Sent: den 4 april 2008 14:22
> > To: J__rn Engel
> > Cc: nico@cam.org; haokexin@gmail.com; dwmw2@infradead.org; akpm@linux-foundation.org; linux-
> > mtd@lists.infradead.org
> > Subject: Re: [PATCH] Fix of broken state in CFI driver caused by FL_SHUTDOWN
> > 
> > Hi
> > 
> > 
> >  CFI driver in 2.6.24 kernel is broken. Not so intensive read/write operations cause incomplete writes
> > which lead to kernel panics in JFFS2.
> >  We investigated the issue - it is caused by bug in FL_SHUTDOWN parsing code. Sometimes chip returns -
> > EIO as if it is in FL_SHUTDOWN state when it should wait in FL_PONT (error in order of conditions).
> > 
> > The following patch fixes the bug in state parsing code of CFI.
> > Also I've added comments to notify developers if they want to add new case in future.
> > Please include it.
> > 
> > Signed-off-by: Alexey Korolev <akorolev@infradead.org>
> > Reviewed-By: Joern Engel <joern@logfs.org>
> 
> Acked-By: Joakim Tjernlund <Joakim.Tjenrlund@transmode.se>
> 
> Guys, I think you should sent this directly to Linus as David seems
> unavailable ATM. It should really go into 2.6.25
> 

I don't have a copy of the patch.