Giving special alignment/size constraints to the Linux PCI core?

Yinghai Lu yinghai at kernel.org
Wed Feb 13 16:20:43 EST 2013


On Wed, Feb 13, 2013 at 1:10 PM, Arnd Bergmann <arnd at arndb.de> wrote:
>
> The problem I see with the current implementation is that it reserves
> a fixed size window and does not reassign the window of the bridge
> itself, only the devices below it, at least if I am reading the
> code correctly. I have not tried this myself.

Which file?

Current code we *do* change the bridge itself resource (mmio, pref mmio, and io)
in
pciehp_configure_device/pci_assign_unassigned_bridge_resources

Let met if it does not work you.

Thanks

Yinghai



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