[RELENG_5_2] Cardbus trouble

[Sergey A. Osokin]

On Wed, Dec 24, 2003 at 06:00:46PM -0700, M. Warner Losh wrote:
> In message: <20031222220014.GA659 at mobi.lestinsky.de>
>             Michael Lestinsky <michael at lestinsky.de> writes:
> : I just managed to bring my cardbus to life. Well sort of. There is one
> : Problem left: Cards are not properly detected. When booting with an
> : inserted card, they are gone from dmesg:
> 
> This smells like a problem that I've been chasing for a while.  I have
> some patches that might help.  The unsupported range stuff really
> shouldn't work (since PCI is a heirarchical bus), but clearly it does
> so I'm looking for a good explaination about what I misunderstand
> about PCI bus that allows it to work.
> 
> You may try setting hw.cbb.start_memory as well.
> 
> Warner
> 
> If you like to live dangerously, maybe you can try the following
> patches for me.  "It works for me" on my Dell inspiron 8000.  There
> are issues with the patch, but they would only bite you down stream
> (eg, if you unload a driver, eject a card or something like that).
> They are in my p4 tree, as well as the p4 power tree (since they have
> power code intertwingled into it).

[patch skipped]

It do not works for me.  With this patch system can't find an root
file system on my HP Omnibook 6100 and card (PCMCIA modem) still
not yet properly detected.

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