[linux-sunxi] Re: [RFC 0/1] misc: Add Allwinner Q8 tablet hardware manager

[Mark Rutland]

Hi,

On Fri, Sep 09, 2016 at 04:32:06PM -0500, Rob Herring wrote:
> On Thu, Sep 1, 2016 at 2:08 PM, Hans de Goede  wrote:
> > Hi All,
> >
> > Here is a first RFC for the q8 tablet hw-manager I've been talking
> > about for a while now.
> >
> > The touchscreen part is finished, I'll start working on the
> > accelerometer bits next.
> 
> This at least partially overlaps with the "overlay manager" just
> posted. A dev board having different devices attached and a production
> device have 2nd source components are not really different problems.
> We need a common solution and can't have each platform making up their
> own scheme.

To follow up discussions at ELC-E, I agree that we need a common solution (if
this has to happen in the kernel rather than in an earlier stage of the boot
process).

Otherwise, we're creating pseudo-board-files, and a whole new set of problems
for ourselves.

Thanks
Mark.

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[linux-sunxi] Re: [RFC 0/1] misc: Add Allwinner Q8 tablet hardware manager

[Rob Herring]

On Thu, Sep 1, 2016 at 2:08 PM, Hans de Goede  wrote:
> Hi All,
>
> Here is a first RFC for the q8 tablet hw-manager I've been talking
> about for a while now.
>
> The touchscreen part is finished, I'll start working on the
> accelerometer bits next.

This at least partially overlaps with the "overlay manager" just
posted. A dev board having different devices attached and a production
device have 2nd source components are not really different problems.
We need a common solution and can't have each platform making up their
own scheme. What's different for you is how you select what changes or
overlay to apply and that is fine to be platform specific. I think you
should be using overlays here as well.

> Note that this requires the "of: changesets: Introduce changeset
> helper methods" patch from Pantelis. If that is still not upstream
> when I'm ready to post a non RFC, I'll post a new version of that
> myself.

I'm waiting for it to be reposted. IIRC, I only had some minor comments.

Rob

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