linux-kernel - Re: [RFD] Proposal for merging Android sync driver in staging

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Date:	Wed, 27 Feb 2013 18:32:07 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	John Stultz <john.stultz@...aro.org>
Cc:	Maarten Lankhorst <maarten.lankhorst@...onical.com>,
	Erik Gilling <konkers@...roid.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Rob Clark <robclark@...il.com>,
	Sumit Semwal <sumit.semwal@...aro.org>,
	linaro-mm-sig@...ts.linaro.org, dri-devel@...ts.freedesktop.org,
	lkml <linux-kernel@...r.kernel.org>,
	Android Kernel Team <kernel-team@...roid.com>
Subject: Re: [RFD] Proposal for merging Android sync driver in staging

On Wed, Feb 27, 2013 at 06:14:24PM -0800, John Stultz wrote:
> I'd like to get a discussion going about submitting the Android sync
> driver to staging.
> 
> I know there is currently some very similar work going on with the
> dmabuf-fences, and rather then both approaches being worked out
> individually on their own, I suspect there could be better
> collaboration around this effort.
> 
> So my proposal is that we merge the Android sync driver into staging.
> 
> In my mind, this has the following benefits:
> 1) It allows other drivers that depend on the sync interface to also
> be submitted to staging, rather then forcing those drivers to be
> hidden away in various out of tree git repos, location unknown.
> 
> 2) It would provide a baseline view to the upstream community of the
> interface Android is using, providing  a real-world, active use case
> of the functionality.
> 
> Once the sync driver is in staging, if the dmabuf-fences work is
> fully sufficient to replace the Android sync driver, we should be
> able to whittle down the sync driver until its just a interface shim
> (and at which point efforts can be made to convert Android userland
> over to dmabuf-fences).

Sounds like a good plan to me.

> I've gone through the Android tree and reworked the sync driver to
> live in staging, while still preserving the full patch
> history/authorship. You can checkout the reworked patch queue here:
>  http://git.linaro.org/gitweb?p=people/jstultz/android-dev.git;a=shortlog;h=refs/heads/dev/sync-staging

I can't really look at a git tree at the moment, but will always be glad
to review patches.  Feel free to send them on and we can look at them
then :)

thanks,

greg k-h
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