DMABOUNCE in pci-rcar

Bjorn Helgaas bhelgaas at google.com
Wed Feb 26 16:02:57 EST 2014


On Wed, Feb 26, 2014 at 12:57 PM, Arnd Bergmann <arnd at arndb.de> wrote:
> On Wednesday 26 February 2014 12:48:17 Bjorn Helgaas wrote:
>> On Mon, Feb 24, 2014 at 4:00 AM, Arnd Bergmann <arnd at arndb.de> wrote:
>> > Hi Magnus,
>> >
>> > I noticed during randconfig testing that you enabled DMABOUNCE for the
>> > pci-rcar-gen2 driver as posted in this patch https://lkml.org/lkml/2014/2/5/30
>> >
>> > I didn't see the original post unfortunately, but I fear we have to
>> > revert it and come up with a better solution, ...
>>
>> Sounds like I should drop the following patches from my pci/host-rcar
>> branch for now?
>>
>>   PCI: rcar: Add DMABOUNCE support
>>   PCI: rcar: Enable BOUNCE in case of HIGHMEM
>>   PCI: rcar: Make the Kconfig dependencies more generic
>
> Sounds good to me. The last patch is actually fine, but you'll have to
> fix the context to apply it without the other two.

OK, I dropped the DMABOUNCE and BOUNCE patches and force-updated my
"next" branch.

Bjorn



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