Re: [PATCH v6 00/11] soc: renesas: Add R-Car SYSC PM Domain Support

Laurent Pinchart
2016-04-22T04:12:08Z

Hi Simon,

On Friday 22 Apr 2016 10:33:11 Simon Horman wrote:
> On Thu, Apr 21, 2016 at 05:14:40PM +0200, Geert Uytterhoeven wrote:
> > On Thu, Apr 21, 2016 at 5:28 AM, Simon Horman <horms@verge.net.au> wrote:
> > > On Wed, Apr 20, 2016 at 02:02:35PM +0200, Geert Uytterhoeven wrote:
> > >> This patch series introduces a DT-based driver for the R-Car System
> > >> Controller, as found on Renesas R-Car H1, R-Car Gen2, and R-Car Gen3
> > >> SoCs.
> > >>
> > >> This is a dependency for the enablement of DU and VSP on R-Car H3, as
> > >> the VSPs are located in a PM Domain.
> >
> > [...]
> >
> > >> Dependencies:
> > >> - clk-renesas-for-v4.7 (which now includes "[PATCH v2 0/4] clk:
> > >> renesas: R-Car SYSC PM Domain Preparation"; pull request sent),
> > >>
> > >> - renesas-devel-20160420-v4.6-rc4 (which already contains series
> > >>
> > >> "[PATCH v5 0/7] PM / Domains: Add DT bindings for the R-Car System
> > >> Controller").
> > >>
> > >> I won't be resending follow-up series "[PATCH v5 00/12] ARM/arm64: dts:
> > >> rcar: Add SYSC PM domains" for now, as it's unchanged, except for an
> > >> ugly rebase due to dropping the commits to reference both DMA
> > >> controllers on R-Car Gen2.
> > >>
> > >> For your convenience, I've pushed this, incl. all dependencies, to the
> > >> topic/rcar-sysc-pd-v6 branch of
> > >> git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git
> > >> .
> > >> Integration with renesas-drivers-2016-04-12-v4.6-rc3 is available in
> > >> the
> > >> topic/gen3-latest branch.
> > >>
> > >> This has been tested on r8a7779/marzen, r8a7790/lager, r8a7791/koelsch,
> > >> r8a7794/alt, and r8a7795/salvator-x.
> > >>
> > >> Thanks!
> > >
> > > Thanks. I am not planning to queue these up at this point.
> > > Let me know if that is not what you expected.
> >
> > As the clock maintainers has merged the preparatory clock work, and pushed
> >
> > it out into clk-next, you can now:
> > 1. Pull the preparatory clock work in your tree, i.e. pull from:
> > git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-driver
> > s.git
> >
> > tags/clk-renesas-for-v4.7-tag2
>
> To my mind I need some kind of assurance from the clk maintainers that the
> patches are stable there - in particular that the commit ids won't change.
> And that both they and the ARM-SoC maintainers are happy with me pulling
> it into my tree for this purpose.
>
> I do wonder, as we are almost at the closing point for queuing up changes
> for v4.7 if, assuming the above patches are scheduled for inclusion in
> v4.7-rc1, it might not be better for me to queue up this series for v4.8.

Then that would delay a bunch of multimedia patch by one more kernel cycle,
which I was hoping to avoid.

> I could do that sooner rather than later in the devel branch of the renesas
> tree if you like.
>
> > 2. Apply this series.
> >
> > After that,
> >
> > 3. I will rebase and update "[PATCH v5 00/12] ARM/arm64: dts: rcar: Add
> > SYSC>
> > PM domains" to match your current dt-for-v4.7 and arm64-dt-for-v4.7
> > (for
> > dmas/dma-names changes and recently added mmc and sdhi nodes),
> > and send it out,
> >
> > 4. You can apply it to a branch containing all of the above as
> > prerequisites.>
> > Is that OK for you?

--
Regards,

Laurent Pinchart