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Re: [PATCH] ssb: fail registration for unknown SPROM revision

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On Thu, 2010-11-18 at 11:27 -0500, John W. Linville wrote: 
> On Wed, Nov 17, 2010 at 06:12:56PM +0100, Michael BÃsch wrote:
> > On Tue, 2010-11-16 at 16:23 -0500, John W. Linville wrote: 
> > > > -		ssb_printk(KERN_WARNING PFX "Unsupported SPROM"
> > > > -			   "  revision %d detected. Will extract"
> > > > -			   " v1\n", out->revision);
> > > > -		out->revision = 1;
> > > > -		sprom_extract_r123(out, in);
> > > > +		ssb_printk(KERN_ERR PFX "Unsupported SPROM revision %d"
> > > > +			   " detected\n", out->revision);
> > > > +		return -EINVAL;
> > > >  	}
> > > >  
> > > >  	if (out->boardflags_lo == 0xFFFF)
> > > 
> > > I think this is going to make my b43 PCI-E card not work...I'll try
> > > it and get back to you...
> > 
> > Hm, what version does it report?

> [ 1036.293865] ssb: Unsupported SPROM  revision 255 detected. Will extract v1

So what about specialcasing 255 instead of defaulting to 1 in general?

if (rev == 255)
rev = 1;

255 basically means "Vendor forgot to set this field". So it would only
default to 1 for those broken sproms.

-- 
Greetings Michael.

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