On Mon, 2006-07-10 at 13:56 -0700, Joel Becker wrote:
> On Mon, Jul 10, 2006 at 08:51:58PM +0200, Arjan van de Ven wrote:
> > > 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.
> 
>       Can we document how to do that?  I've wanted to synthesize such
> things before, and I couldn't quite reason how.

just load fakephp

then do 
echo -n 0 > /sys/bus/pci/slots/0000:04:02.1/power
this hotunplugs it (fake)

then just do

echo -n 1 > /sys/bus/pci/slots/0000:04:02.0/power
(or any other device on the 04 bus) and the kernel finds the 04:02.1
device again...


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