On Tue, Mar 31, 2015 at 07:57:46PM -0700, Yinghai Lu wrote:
> Fix regression by commit d63e2e1f3df9 ("sparc/PCI: Clip bridge windows to
> fit in upstream windows").
>
> That cause bridge bar get clipped wrongly.
>
> The sparc64 dma_addr_t is 32-bit, we can not use it to check if we can
> use 64bit bar, introduce pci_bus_addr_t.
>
> sparc ofpci does not parse 64bit mem for root bus, add code to
> make sure that we get correct resource for root.
>
> Also there are device 64-bit res does not have pref bit flag, but bridges
> do have pref bit set, that cause extra "no compatible window".
> Set pref bit for them according to the errata.
Ping, any updates on this? AFAICT, we should add a new pci_bus_addr_t
distinct from dma_addr_t, but Ben raised an issue that needs to be
resolved first.
Bjorn
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