linux-kernel - Re: [PATCH v4 0/8] ARM: davinci: complete the conversion to using the reset framework

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Date:   Tue, 27 Mar 2018 11:23:46 +0200
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Sekhar Nori <nsekhar@...com>, Bartosz Golaszewski <brgl@...ev.pl>,
        Stephen Boyd <sboyd@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Ohad Ben-Cohen <ohad@...ery.com>
Cc:     David Lechner <david@...hnology.com>,
        Kevin Hilman <khilman@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        devicetree <devicetree@...r.kernel.org>,
        linux-remoteproc@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        linux-clk@...r.kernel.org,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4 0/8] ARM: davinci: complete the conversion to using
 the reset framework

On Tue, 2018-03-27 at 11:39 +0530, Sekhar Nori wrote:
> Hi Bart,
> 
> On Friday 23 March 2018 10:46 PM, Bartosz Golaszewski wrote:
> > 2018-03-23 18:08 GMT+01:00 Stephen Boyd <sboyd@...nel.org>:
> > > Quoting Bartosz Golaszewski (2018-03-23 09:55:47)
> > > > 2018-03-23 17:49 GMT+01:00 Stephen Boyd <sboyd@...nel.org>:
> > > > > Quoting Bartosz Golaszewski (2018-03-23 06:04:47)
> > > > > > From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> > > > > > 
> > > > > > This series converts the only user of the handcoded, mach-specific reset
> > > > > > routines in the davinci platform to using the reset framework.
> > > > > > 
> > > > > > Patch 1 modifies the way lookup entries are registered with the reset
> > > > > > framework.
> > > > > > 
> > > > > > Patches 2-4 add necessary lookups/DT-properties.
> > > > > > 
> > > > > > Patches 5-7 convert the davinci-rproc driver to the reset framework.
> > > > > > 
> > > > > > Patch 8 removes now dead code.
> > > > > > 
> > > > > > Philipp: it turned out that it's indeed better to use the reset
> > > > > > controller's device name for the entry lookup.
> > > > > > 
> > > > > > Tested both in DT and legacy modes by booting the examples from
> > > > > > ti-ipc-rtos recipe in meta-ti.
> > > > > > 
> > > > > > This series applies on top of David Lechner's common-clk-v9 branch[1]
> > > > > > with Philipp Zabel's reset/next branch[2] pulled in.
> > > > > > 
> > > > > > It can be found in my github tree as well[3].
> > > > > > 
> > > > > 
> > > > > What's the merge strategy for the rest of the patches? I should apply
> > > > > the clk ones after the next -rc1?
> > > > 
> > > > Or maybe Philipp can provide us with an immutable branch with the reset patches?
> > > > 
> > > > The you could apply the driver patches and let Sekhar take all the
> > > > platform code?
> > > > 
> > > 
> > > Ok that could work too.
> > 
> > Ohad, Bjorn can you ack the remoteproc patches? Are you OK with
> > Stephen taking them through the clock tree? Otherwise it would get
> > complicated since they depend on the first clk patch and the last clk
> > patch depends on them.
> 
> I will not be queuing the DTS patches for v4.17. They depend on clock
> framework DTS patches which itself I plan to queue for v4.18. Given
> this, I think the best bet is:
> 
> Ohad/Bjorn queue remoteproc patches already acked by Suman and having no
> dependencies. That is, 5/8 and 6/8.
> 
> If Philipp can provide an immutable branch with reset changes, it will
> be great and Stephen can queue 4/8. If not, its best to resend that
> patch to Stephen once v4.17-rc1 is out.

I have shuffled reset/next a bit and moved Bartosz' patches onto a
separate, immutable branch:

  git://git.pengutronix.de/git/pza/linux.git reset/lookup

regards
Philipp