Hi,
My goal is to get a PCI expansion ROM driver to handle the device it is resided
on ONLY (s,t other PCI controllers that otherwise would have been managed by
this driver will not be handled).
In order to so I considered the following tweaks to my DriverBindingSupported
method:
1. Set the Supported method to handle only the first PCI handle it
receives.
2. Compare the prefix of the Image device path with that of the PCI
handle and see that they match (less preferred).
Can I assume that the first ControllerHandle being passed to a driver loaded
from a PCI expansion ROM is that of the device that the expansion ROM has
resided on?
I know from past experience that usually the driver from the expansion ROM is
the one that handles the device from which it has been loaded, but I couldn't
find anything in the spec to back my theorem.
Thanks in advance,
Ari
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