linux-kernel - Re: [PATCH v2 4/4] power: ds2760

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Message-ID: <20180628115246.6qqa3nwxwx2qpls6@earth.universe>
Date:   Thu, 28 Jun 2018 13:52:46 +0200
From:   Sebastian Reichel <sebastian.reichel@...labora.co.uk>
To:     Daniel Mack <daniel@...que.org>
Cc:     zbr@...emap.net, robh+dt@...nel.org, mark.rutland@....com,
        szabolcs.gyurko@....hu, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        robert.jarzmik@...e.fr
Subject: Re: [PATCH v2 4/4] power: ds2760_battery: add device tree glue

Hi,

On Thu, Jun 28, 2018 at 09:55:40AM +0200, Daniel Mack wrote:
> The w1 slave device used by this driver now has a of_node in case it
> was matched against a devicetree sub-node of the bus master. This can
> now be passed down to the power supply core which will parse more
> properties from the node, such as 'power-supplies'.
> 
> Signed-off-by: Daniel Mack <daniel@...que.org>
> ---

Thanks for the patch series. Having proper DT support is a nice
addition. But instead of extending the platform device hack, please
merge the w1 driver into ds2760_battery.c as it happened to the
bq27000 driver already. The intermediate platform device is completly
useless and only makes things more complicated.

Basically move all code from w1_ds2760.c into ds2760_battery.c,
drop some EXPORT_SYMBOL and make functions static instead. Then
move content from probe/remove function into add_slave/remove_slave
callbacks and drop all platform device things.

-- Sebastian

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