Re: [Yaffs] Yaffs2 2.4 support

That's consistent with my understanding.

I got it all going on 2.4.27 by patching with the latest mtd.


-- Charles

On Tuesday 08 March 2005 13:08, Brad Beveridge wrote:
> Sorry if you already know this, but - as far as I can tell, MTD tracks
> seperately from the kernel. You probably want to get the latest MTD
> from http://www.linux-mtd.infradead.org/ and try to patch your kernel
> with that.
>
> Brad
>
> James Newell wrote:
> > I pulled down the 2.4.29 from kernel.org, and the 2.6.9. Only the
> > 2.6.9 had it.
> > I'm currently working 2.4.18 (for company reasons). It appears that
> > the mtd large block nand support would need to be back ported as well
> > to allow yaffs2 to have large block nand support in this older
> > kernel. I've read a little of the mtd list, and there seems to be no
> > interest for them to keep the 2.4 kernel support alive. Do you have
> > any advice on a good snapshot of the mtd driver to back port the
> > 2.4.18 kernel. They don't appear to have any cvs branches to
> > distinguish from 2.6 support and 2.4.
> >
> > Thanks,
> >
> > Jim
> >
> > -----Original Message-----
> > From: Charles Manning [mailto:manningc2@actrix.gen.nz]
> > Sent: Monday, March 07, 2005 6:18 PM
> > To: James Newell; yaffs@stoneboat.aleph1.co.uk
> > Subject: Re: [Yaffs] Yaffs2 2.4 support
> >
> > On Tuesday 08 March 2005 08:49, James Newell wrote:
> > > Yaffs2 is using a mtd 2.6 only structure members called block_isbad,
> > > and block_markbad members from mtd_info structure.
> > >
> > > Is yaffs2 usage of these memebers required for 2.4 kernel support? In
> > > other words, am I required to back port the mtd 2.6 kernel driver in
> > > order to use
> > > yaffs2 in a 2.4 kernel?
> >
> > Probably, though I thought this was also supported in more recent
> > 2.4.x too.
> > I got it going on my 2.4.27-based PC. This should be a pretty simple
> > back-port though.
> >
> > block_isbad and block_markbad push the bad block marking & detection
> > into the mtd because different devices have different bad block
> > marking strategies.
> >
> >
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