linux-kernel - Re: [GIT PULL 1/3] soc: samsung: Exynos for v5.4

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Date:   Wed, 4 Sep 2019 10:37:11 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Olof Johansson <olof@...om.net>, arm-soc <arm@...nel.org>,
        SoC Team <soc@...nel.org>, Kukjin Kim <kgene@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL 1/3] soc: samsung: Exynos for v5.4

On Tue, 3 Sep 2019 at 19:21, Arnd Bergmann <arnd@...db.de> wrote:
>
> On Thu, Aug 22, 2019 at 8:35 PM Krzysztof Kozlowski <krzk@...nel.org> wrote:
> > On Wed, Aug 21, 2019 at 09:51:09AM +0200, Krzysztof Kozlowski wrote:
> > > On Fri, 16 Aug 2019 at 18:30, Krzysztof Kozlowski <krzk@...nel.org> wrote:
> > > >
> > > > The following changes since commit 5f9e832c137075045d15cd6899ab0505cfb2ca4b:
> > > >
> > > >   Linus 5.3-rc1 (2019-07-21 14:05:38 -0700)
> > > >
> > > > are available in the Git repository at:
> > > >
> > > >   https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git tags/samsung-drivers-5.4
> > > >
> > > > for you to fetch changes up to 40d8aff614f71ab3cab20785b4f213e3802d4e87:
> > > >
> > > >   soc: samsung: chipid: Convert exynos-chipid driver to use the regmap API (2019-08-15 20:25:25 +0200)
> > > >
> > > > ----------------------------------------------------------------
> > > > Samsung soc drivers changes for v5.4
> > > >
> > > > Add Exynos Chipid driver for identification of product IDs and SoC
> > > > revisions.  The driver also exposes chipid regmap, later to be used by
> > > > Exynos Adaptive Supply Voltage driver (adjusting voltages to different
> > > > revisions of same SoC).
> > >
> > > It turns out that it brings troubles (code is executed on every
> > > platform polluting logs because it is an initcall, not a driver) so
> > > Sylwester (submitter) asked to skip the submission.
> > >
> > > Please ignore the pull request.
> >
> > I talked with Sylwester and Bartlomiej who contributed the chipid driver
> > and they provided small incremental fixes. The driver is still useful
> > and in the future it will be expanded towards AVS. Therefore please pull
> > it or optionally wait a week and I will send incremental pull request
> > with fixes.
>
> Pulled into arm/drivers for now.
>
> I have drafted a related patch recently, regarding the related
> arch/arm/plat-samsung/cpu.c file. This is part of a longer series
> I'm working on, see https://pastebin.com/ZqeU3Mth for the
> current version of this patch.

You can then also adjust the include path in arch/arm/mach-exynos/Makefile.

> The observation is that mach-exynos
> is almost completely independent of plat-samsung these days, and my
> patch removes the last obstacle from separating the two. I have
> another set of patches to do the same for mach-s5pv210 (which shares
> half of its pm.c with plat-samsung, but nothing else).

Great!

Best regards,
Krzysztof