Re: [GIT PULL] Renesas ARM Based SoC Arm SoC Updates for v4.19

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Hi Olof,

On Mon, Jul 02, 2018 at 10:15:59AM -0700, Olof Johansson wrote:
> Hi Simon,
> 
> 
> On Mon, Jun 25, 2018 at 7:05 AM, Simon Horman
> <horms+renesas@xxxxxxxxxxxx> wrote:
> > Hi Olof, Hi Kevin, Hi Arnd,
> >
> > Please consider these Renesas ARM based SoC arm SoC updates for v4.19.
> >
> >
> > The following changes since commit ce397d215ccd07b8ae3f71db689aedb85d56ab40:
> >
> >   Linux 4.18-rc1 (2018-06-17 08:04:49 +0900)
> >
> > are available in the git repository at:
> >
> >   https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git tags/renesas-arm-soc-for-v4.19
> >
> > for you to fetch changes up to c44e182e537492baaa37303fc0ee299222fce921:
> >
> >   ARM: shmobile: convert to SPDX identifier (2018-06-18 12:00:29 +0200)
> 
> I've merged this into next/soc but wanted to give a bit of feedback on
> the tag description for future consideration:
> 
> > ----------------------------------------------------------------
> > Renesas ARM Based SoC Arm SoC Updates for v4.19
> >
> > * Convert to SPDX identifier
> >
> > * Remove legacy SMP fallback code
> >
> >   Geert Uytterhoeven says "R-Car H2 and M2-W have been supporting SMP
> >   enablement from DT using the "renesas,apmu" enable-method since v4.8.
> >   A legacy fallback was left in place for backwards compatibility with old
> >   DTBs.
> >
> >   This patch series removes the legacy SMP fallbacks for R-Car H2 and
> >   M2-W, and consolidates their support in the common R-Car Gen2 machine
> >   definition.2
> 
> Can you please edit a little more when you write these pull requests?
> Distilling the information into a higher concentration.
> 
> This could have been something like:
> 
>  - Remove legacy SMP fallback code for R-Car H2 and M2-W
>     DT enablement has been in since 4.8 and it's no longer needed.

Sure, I'll work on trimming down the text and including more "why" in
my next batch of pull requests.

> 
> > * APMU cleanups after legacy SMP fallback removal
> >   - Move cpu_leave_lowpower() from HOTPLUG_CPU || SUSPEND section to the
> >     SUSPEND section as it is only used for suspend
> >   - Remove shmobile_smp_apmu_prepare_cpus() as it is no longer used
> >   - Remove platsmp-apmu.h
> 
> These are typical "what" descriptions, not "why". Just as with patch
> descriptions, it's usually more important to describe why something is
> changed than exactly what (since what can be derived from looking at
> the diff).
> 
> It's a bit different for cleanups, of course, but general rule of
> thumb still applies.
> 
> >
> > * Drop legacy SYSC fallbacks
> >
> >   Geert Uytterhoeven says "When DT SYSC support was introduced in v4.7,
> >   legacy fallbacks were kept to keep secondary CPUs working on R-Car H1,
> >   H2, and M2-W using old DTBs.  However, the time has come to drop these
> >   fallbacks, and clean up the resulting code"
> 
> Again, this could have a single-sentence description similar to SMP
> fallback removal.
> 
> 
> Thanks,
> 
> 
> -Olof
> 



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