Re: [PATCH 3/3] PCI: Set pref for mem64 resource of pcie device

From: Bjorn Helgaas
Date: Mon Apr 06 2015 - 23:43:49 EST

On Mon, Apr 6, 2015 at 8:13 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> On Mon, Apr 6, 2015 at 3:49 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote:
>> For "[PATCH 1/3] PCI: Introduce pci_bus_addr_t", I'm waiting for an updated
>> version with Kconfig tweaks so we don't break other arches.
> I was thinking that you will update it manually.

I asked you for an updated version, incorporating the documentation
updates, to make sure I got everything you intended. But I did go
ahead and do it manually for you.

>> For "[PATCH 2/3] sparc/PCI: Add mem64 resource parsing for root bus", I'm
>> waiting for a version that fixes the other of_bus_pci_get_flags() and
>> pci_parse_of_flags() implementations at the same time (or an explanation
>> about why we should fix only the arch/sparc version). I don't want to fix
>> one place and leave the same bug in other places.
> I don't even know if other arch like powerpc support 64-bit bus address.
> No one from powerpc reported a problem, why should we mess it up now?
> I would like to see someone get access those three kinds of machine that support
> of to unify of support code.

Of course changes there should be tested on all the affected machines.
I opened and
assigned it to you as a reminder that there is nearly identical code
in several other places that may have the same issue.

I pushed these two changes to for-linus. I'll work on the third
tomorrow. The current changelog is very sparc64-centric, and it needs
to be much more explicit about how the change will affect every arch.

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