On Fri, 2004-12-10 at 16:40 +1100, Aras Vaichas wrote:
> Thomas Gleixner wrote:
> > On Thu, 2004-12-09 at 17:55 +1100, Aras Vaichas wrote:
> > 
> >>I've finally nailed down a solution to what was causing the occasional bit flip 
> >>and thus all the lost/bad-pages on my NAND.
> >>
> > 1. Are you using the generic command function now ?
> 
> Oh yeah, thanks for the previous help. I made all the changes that you recommended.

Care to push the driver into MTD CVS ?

> > 2. In yaffs_mtdif.c
> > 
> > struct nand_oobinfo yaffs_oobinfo = {
> >         useecc: 1,
> > #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,8))
> > // this is for versions of mtd nand driver in kernel 2.6.8 and later
> >         eccbytes: 6,
> > #endif
> >         eccpos: {8, 9, 10, 13, 14, 15}
> > };
> > 
> > The eccbytes setup is neccecary for current MTD CVS. Did you modify the
> > #if (LINUX_ ....) ?
> 
> Hmm, I didn't know about this one. I defined eccbytes and it works now with 
> CONFIG_YAFFS_USE_NANDECC defined. I tested it by transferring 60MB without a 
> single failure so I think I can trust it.  ;)

Ok