Re: [patch] do not allow IPW_2100=Y or IPW_2200=Y

[Arjan van de Ven <arjan@infradead.org>]

On Tue, 2006-07-11 at 13:27 +0200, Pavel Machek wrote:
> Hi!
> 
> > > > >> Kconfig currently allows compiling IPW_2100 and IPW_2200 into kernel
> > > > >> (not as a module). Unfortunately, such configuration does not work,
> > > > >> because these drivers need a firmware, and it can't be loaded by
> > > > >> userspace loader when userspace is not running.
> > > > > 
> > > > > False, initramfs...
> > > > 
> > > > which would warrant some extra documentation in Kconfig explaining that this 
> > > > driver needs initramfs with firmware for it to work when compiled in the 
> > > > kernel. A link to the ipw2x00 documentation might also help.
> > > 
> > > Besides, the initramfs runs long after the driver init routine
> > > runs which is when the firmware needs to be available.
> > 
> > .. unless you use sysfs to do a fake hotunplug + replug the device, at
> > which point the driver init routine runs again.
> 
> Ouch, nice trick. But how do I actually pull it up? There's nothing
> that looks like allowing that in /sys:
> 
> root@amd:/sys/devices/pci0000:00/0000:00:1e.0/0000:02:02.0# ls

/sys/bus/pci/slots/0000:04:02.1

need to go there via bus/pci/slots


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