Re: [coreboot] Hiding a PCI device

[yhlu]

On Thu, Feb 28, 2008 at 9:26 AM, ron minnich  wrote:
> On Thu, Feb 28, 2008 at 8:18 AM, Baski  wrote:
> > Hello,
> > Is there a way in LB to hide a PCI device from the OS?  I want to prevent
> > linux from loading the device driver automatically for a particular PCI
> > device. (Similar to a device behind a bridge).  I don't want to do any
> > tweaks in linux.
>
> I have not tried this lately. But it used to be the case that if all
>  the BARs were 0, Linux would assume the device was "not enabled".

kernel will try to assign resource for these unassigned BARs. because
it doesn't trust BIOS. think BIOS mess it up.

may add one command line option to stop that.

YH