Re: HP/Compaq (Winbond) SD/MMC reader supported

[Pierre Ossman]

Pavel Machek wrote:

> Hi!
>
>  
>
> > Is the 0xf00 id the only one you get? If it is a SuperIO chip then 
> >    
>
> How can I (try to) get other id's? Yes, it seems to be stable across reboots.
>
>  
You don't. The driver will list all it finds, so if there's only one 
line then that's it.

> > resetting it will probably cause all sorts of funky problems.
> > Do you know what SuperIO is used in the machine? And have you tried 
> > confirming that the card reader is indeed winbond? The easiest way to do 
> > that is to see if the Windows driver is wbsd.sys.
> >    
>
> Stefan, could you take a look? I rm -rf'ed my copy of windows :-(.
>
> SuperIO is behind ISA bridge so it can not be deduced from lspci? Or I
> may be completely off mark; there's Unknown mass storage controller:
> Texas Instruments PCI7420 Flash Media Controller.... Hmm, that seems
> like flash.
>  
PCI7420 does indeed support SD/MMC so there's a high probability that 
this is the wrong driver for you. See if TI will release a complete 
spec. for the SD/MMC interface. Then you can start writing your own 
driver ;)

Rgds
Pierre

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