linux-kernel - Re: [PATCH v4 00/15] Add support for OLPC XO 1.75 Embedded Controller

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Date:   Wed, 9 Jan 2019 13:15:35 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Lubomir Rintel <lkundrak@...sk>
Cc:     Andy Shevchenko <andy@...radead.org>,
        Darren Hart <dvhart@...radead.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Russell King <linux@...linux.org.uk>,
        James Cameron <quozl@...top.org>,
        Mark Rutland <mark.rutland@....com>,
        Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Sebastian Reichel <sre@...nel.org>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        devicetree <devicetree@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 00/15] Add support for OLPC XO 1.75 Embedded Controller

On Tue, Jan 8, 2019 at 7:58 PM Lubomir Rintel <lkundrak@...sk> wrote:
>
> Hello!
>
> This is a fourth spin of the patch set that adds support for the
> Embedded Controller on an OLPC XO 1.75 machine.
>
> It hopefully incorporated all feedback received previously and also
> fixes the kbuild test bot failures. The failed builds were generally
> caused by configurations where the EC driver was built as module.
>
> It turned out that the patch that turned the OLPC EC common code into
> a module was not the brightest idea. I now dropped it and modified the
> 04/15 to not require it.
>
> Also, the 01/15 patch has been added to allow the module to provide a
> reboot handler. Patch 15/15 depends on it.

Isn't it a quite big distance between provider and consumer?
Especially taking into consideration concerns about patch 1 which
blocks the series.
Perhaps you may drop it as a patch 1 and do something on top of patch
15 as feature extension?


>
> Tested to work on an OLPC XO 1.75 and also tested not to break x86
> support with an OLPC XO 1 machine. I don't have a XO 1.5, but it's
> unlikely this breaks it when XO 1 works.
>
> [01/15] ARM: export arm_pm_restart()
> [02/15] dt-bindings: olpc,xo1.75-ec: Add OLPC XO-1.75 EC bindings
> [03/15] Platform: OLPC: Remove an unused include
> [04/15] Platform: OLPC: Add XO-1.75 EC driver
> [05/15] Platform: OLPC: Avoid a warning if the EC didn't register yet
> [06/15] Platform: OLPC: Move EC-specific functionality out from x86
> [07/15] Platform: OLPC: Use BIT() and GENMASK() for event masks
> [08/15] Platform: OLPC: add a regulator for the DCON
> [09/15] dt-bindings: olpc_battery: Add XO-1.5 battery
> [10/15] x86, olpc: Use a correct version when making up a battery node
> [11/15] power: supply: olpc_battery: Use DT to get battery version
> [12/15] power: supply: olpc_battery: Move priv data to a struct
> [13/15] power: supply: olpc_battery: Use devm_power_supply_register()
> [14/15] power: supply: olpc_battery: Avoid using platform_info
> [15/15] power: supply: olpc_battery: Add OLPC XO 1.75 support
>
> Lubo
>
>


-- 
With Best Regards,
Andy Shevchenko