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SubjectRe: [PATCH v2 1/1] platform: goldfish: pipe: add devicetree bindings
On Fri, Nov 27, 2015 at 12:17 PM, Greg Hackmann <ghackmann@google.com> wrote:
> On 11/26/15 12:34 AM, Christoffer Dall wrote:
>>
>> On Wed, Nov 25, 2015 at 02:24:16PM -0600, Rob Herring wrote:
>>>
>>>
>>> The binding may be trivial, but there's a bigger question of whether
>>> this is the right long term direction. For example is upstream QEMU
>>> going to take all the Android pipe stuff? Couldn't virtio be used here
>>> as the transport?
>>>
>>
>> But I wonder if that should really block this from being merged? The
>> support may not be in QEMU but it's in the Android emulator and it would
>> be a less broken implementation with these patches in the kernel than
>> without, I think.
>>
>> -Christoffer
>>
>
> To add to Christoffer's point, we added these bindings so we don't need to
> rely on the goldfish virtual bus for probing anymore.
>
> Switching from the goldfish virtual bus to Device-Tree already eliminates
> one big piece where the Android emulator has diverged from upstream qemu.
> And on the kernel side, it means we don't need ARM and MIPS goldfish board
> code to instantiate the bus.

Okay, fair enough. That's not evident from the patch.

Rob


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