Could you write the funciton where I have to act?
I agree the issue about a bug into the cfi_cmdset_0002.c
Ciao
Alle 10:47, domenica 7 marzo 2010, Fabio Giovagnini ha scritto:
> Ok I'll try.
>
> Alle 02:17, domenica 7 marzo 2010, Erwin Authried ha scritto:
> > Am Samstag, den 06.03.2010, 16:59 -0500 schrieb Mike Frysinger:
> > > On Saturday 06 March 2010 12:17:12 Fabio Giovagnini wrote:
> > > > According to you, it is easier to add jedec entry or it is better to
> > > > modify cfi_cmdset_0002.c?
> > > > I'm newbe, so I aks: what could be the trade off between the two
> > > > solutions?
> > >
> > > one can be sent upstream (jedec) and one cannot (hacking cmdset in non-
> > > standard ways)
> > > -mike
> >
> > I took a look at AMD's CFI specification. Both of the extended query
> > tables are optional. Thus, it looks like relying that at least one of
> > those tables exist is a bug in cfi_cmdset_0002. I believe this can be
> > fixed this way:
> >
> > ...
> > __u16 adr = primary?cfi->cfiq->P_ADR:cfi->cfiq->A_ADR;
> > if (cfi->cfi_mode==CFI_MODE_CFI && adr){
> > unsigned char bootloc;
> > /*
> > * It's a real CFI chip, not one for which the probe
> > * routine faked a CFI structure. So we read the feature
> > * table from it.
> > */
> > struct cfi_pri_amdstd *extp;
> > ...
> >
> > Fabio, would you like to try if this works? I don't have a flash without
> > extended query table, thus I can't test this.
> >
> > -Erwin
> >
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--
Fabio Giovagnini
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