Re: [PATCH RESEND v3 0/2] syscon: Alter syscon and reboot drivers

From: Serge Semin
Date: Thu May 28 2020 - 04:31:58 EST


On Thu, May 28, 2020 at 09:03:11AM +0200, Sebastian Reichel wrote:
> Hi,
>
> On Tue, May 26, 2020 at 04:50:59PM +0300, Serge Semin wrote:
> > This is a small patchset about tuning the syscon infrastructure a bit.
> > As it's going to be general in the framework of the Baikal-T1 SoC support
> > integration into the kernel, we suggest to replace the legacy text-based
> > syscon-reboot-mode dts-bindings file with yaml-based one. Then seeing a
> > syscon reboot block is normally expected to be a part of a system
> > controller and based on the discussion
> > https://lore.kernel.org/linux-pm/20200306130402.1F4F0803079F@xxxxxxxxxxxxxxxxxxxxxxxxx/
> > we decided to alter the syscon reboot driver so one would also try to fetch
> > the syscon registers map from a parental DT node. regmap property is left
> > supported although it's marked as deprecated from now.
> >
> > This patchset is rebased and tested on the mainline Linux kernel 5.7-rc4:
> > 0e698dfa2822 ("Linux 5.7-rc4")
> > tag: v5.7-rc4
> >
> > Changelog v2:
> > - Add Sebastian' Acked-by tag to patch 1.
> > - Use a shorter summary describing the bindings modification patches.
> > - Our corporate email server doesn't change Message-Id anymore, so the patchset
> > is resubmitted being in the cover-letter-threaded format.
> > - Discard patch with syscon "-endian" property support. As Rob said It shall be
> > in the common dt-schema.
> > - Replace patches of adding a regmap property support to the syscon-reboot-mode
> > with patches making syscon-reboot a sub-node of a system controller node.
> > - Mark regmap property as deprecated from now.
> >
> > Link: https://lore.kernel.org/linux-pm/20200507233846.11548-1-Sergey.Semin@xxxxxxxxxxxxxxxxxxxx/
> > Changelog v3:
> > - Discard the commit 6acd3ecd88ff ("dt-bindings: power: reset: Convert
> > syscon-reboot-mode to DT schema") since it has been merged in by Sebatian.
> > - Add Rob's Reviewed-by tag to the patch "dt-bindings: power: reset: Unrequire
> > regmap property in syscon-reboot node"
> >
> > Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Alexey Malahov <Alexey.Malahov@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Maxim Kaurkin <Maxim.Kaurkin@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Pavel Parkhomenko <Pavel.Parkhomenko@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Ramil Zaripov <Ramil.Zaripov@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Ekaterina Skachko <Ekaterina.Skachko@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Vadim Vlasov <V.Vlasov@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Alexey Kolotnikov <Alexey.Kolotnikov@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
> > Cc: Arnd Bergmann <arnd@xxxxxxxx>
> > Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> > Cc: linux-mips@xxxxxxxxxxxxxxx
> > Cc: devicetree@xxxxxxxxxxxxxxx
> > Cc: linux-pm@xxxxxxxxxxxxxxx
> > Cc: linux-kernel@xxxxxxxxxxxxxxx
> >
> > Serge Semin (2):
> > dt-bindings: power: reset: Unrequire regmap property in syscon-reboot
> > node
> > power: reset: syscon-reboot: Add parental syscon support
> >
> > .../bindings/power/reset/syscon-reboot.yaml | 15 ++++++++++-----
> > drivers/power/reset/syscon-reboot.c | 7 +++++--
> > 2 files changed, 15 insertions(+), 7 deletions(-)
>
> Thanks, I queued both patches to power-supply's for-next branch.
>
> -- Sebastian

Great! Thanks.

-Sergey