Re: please remove CONFIG_PNP, CONFIG_PNPBIOS

From: System Operator (root@wildsau.idv-edu.uni-linz.ac.at)
Date: Tue Feb 26 2002 - 19:49:58 EST


> > by checking 2.4.18, I saw that "CONFIG_PNP" is not in use in the
> > source anymore except in Documentation/Configure.help and as a
> > variable that CONFIG_ISAPNP depends on.
> >
> > => remove.
>
> Hold on. This will change once the pnpbios driver
> is merged. It's currently in Alan's tree (and in 2.5 stock).

hm. this only adds to confusion.

> > as a side note, I'd want to know how linux is configuring
> > the PCI devices, when e.g. in the Bios Settings I say
> > "Yes - PNP aware OS installed".
>
> When you enable "PnP OS" in the BIOS, you are telling
> the BIOS not to use PnP methods to configure PnP devices,
> but to leave it to the OS to do the configuration.

and Linux is such an OS?
 
> > can also someone tell me which variable the "CONFIG_PNPBIOS" options
> > depends on? this seems to be another variable which is only
> > "used" on Documentation/Configure.help.
>
> pnpbios is a driver used to communicate with the
> PnP BIOS. This driver should be merged soon, but right
> now only the help text for the driver is present in stock 2.4.
      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

> In the case of ISA devices, Linux only configures them
> if you have the isa-pnp driver built.

And If I have ISA-devices, which I have not.
 
> Actually, I don't see why we should ever set the "PnP OS"
> flag. It doesn't hurt to let the BIOS preconfigure
> devices. Linux can always re-configure devices as it
> sees fit, can't it?

As it seems, Linux cannot reconfigure devices, since only the
helptext for the driver is present, while a driver is
not present. At last not in 2.4. Only a dummy option
with a dummy help text *without even a note* that this is
not implemented!

 
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Thu Feb 28 2002 - 21:00:35 EST