Re: [PATCH] PCI: Clear bridge MEM_64 flag if one child does not support it

Yinghai Lu
2014-12-09T21:39:35Z

On Mon, Dec 8, 2014 at 4:09 PM, Yinghai Lu <yinghai@kernel.org> wrote:
> On Mon, Dec 8, 2014 at 3:00 PM, Benjamin Herrenschmidt
> <benh@kernel.crashing.org> wrote:
>
>>
>> I think an option would be to keep track of whether the PCI host bridge
>> can do 64-bit pref above 4G.
>
> Yes, that could be enhancement.
>
> That should fix the problem Marek's
>
> But not on Zermond's, as his system is not using _CRS.
>

http://patchwork.ozlabs.org/patch/419295/

PCI: Clear all bridge res MEM_64 if host bridge has non mem64