[Patch] Extended PCMCIA Support

[Kay Sievers]

On Sun, 2004-10-24 at 20:56 -0400, Dan Williams wrote:
> On Mon, 25 Oct 2004, Kay Sievers wrote:
> > If you plug/remove in a card into the slot, cardmgr calls the scripts
> > in /etc/pcmcia. If I plug in an old modem, I get this in the
> > environment:
> > 
> >   $1=start
> >   $2=ttyS1
> >   MANFID=0107,0002
> >   PRODID_1=USRobotics 
> >   PRODID_2='336 Data Fax Modem'
> >   PRODID_3='33600 Data/14400 Fax'
> >   PRODID_4=0.1
> 
> Ok, fair enough, that could be done.  However, this does nothing for 
> coldplug, does it?  How would we notice the card when its inserted before 
> HAL is running?
> 
> Coldplugging support is about 75% what this patch was supposed to 
> fix.  And since for coldplugging, we'd still need to parse 
> /var/lib/pcmcia/stab or ioctl() the sockets anyway, we might as well use 
> the same code for hotplugging and keep it simple (rather than have two 
> separate paths for coldplug and hotplug, which is more obtuse).  I realize 
> that for coldplugging, we could popen() to cardctl, but I seriously 
> dislike opening pipes and parsing the output of the process on the other 
> side (for an overview of the issues with stuff like this, I'd point you to 
> http://log.ometer.com/2004-10.html#23).

I do not fully agree on this blog topic. You can talk to cardmgr through
a domain socket.

Anyway, it already works and if we get kernel support, things will
change and we probably don't need cardmgr at all. So I will shut up
here :)

Thanks,
Kay


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