If a BAR has the value of 0, we would assume that it is unset yet and
then mark the resource as unset and would reassign it later.
IIRC the PCI spec allows a BAR address of zero.
Certainly some sparc systems have assigned 0 to a BAR.
So assuming a BAR of 0 means it is unset may not be
true for
On Wed, 2013-06-05 at 14:10 +0100, David Laight wrote:
If a BAR has the value of 0, we would assume that it is unset yet and
then mark the resource as unset and would reassign it later.
IIRC the PCI spec allows a BAR address of zero.
Certainly some sparc systems have assigned 0 to a BAR.