linux-kernel - Re: [PATCH v2 4/4] power: supply: add Ingenic JZ47xx battery driver.

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Date:   Mon, 08 Apr 2019 12:23:03 +0200
From:   Paul Cercueil <paul@...pouillou.net>
To:     Sebastian Reichel <sre@...nel.org>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Artur Rojek <contact@...ur-rojek.eu>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, linux-pm@...r.kernel.org,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/4] power: supply: add Ingenic JZ47xx battery driver.



Le lun. 8 avril 2019 à 11:38, Sebastian Reichel <sre@...nel.org> a 
écrit :
> Hi Paul,
> 
> On Sun, Apr 07, 2019 at 09:07:57PM +0200, Paul Cercueil wrote:
>>  Hi Sebastian,
>> 
>>  Le dim. 7 avril 2019 à 18:52, Sebastian Reichel <sre@...nel.org> a 
>> écrit :
>>  > Hi,
>>  >
>>  > On Sun, Mar 24, 2019 at 03:31:37PM +0000, Jonathan Cameron wrote:
>>  > >  On Sat, 23 Mar 2019 18:28:09 +0100
>>  > >  Artur Rojek <contact@...ur-rojek.eu> wrote:
>>  > >
>>  > >  > Add a driver for battery present on Ingenic JZ47xx SoCs.
>>  > >  >
>>  > >  > Signed-off-by: Artur Rojek <contact@...ur-rojek.eu>
>>  > >  The IIO parts look fine to me.
>>  > >  Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
>>  > >
>>  > >  Sebastian, assuming you are happy with this version,
>>  >
>>  > The driver itself looks ok. I'm a bit unhappy, that we already 
>> have
>>  > jz4740-battery. This driver is much cleaner, but does not yet seem
>>  > to be ready to replace it. Artur Rojek what are your plans 
>> regarding
>>  > to the existing driver? Is there currently work going on migrating
>>  > JZ47xx to DT?
>> 
>>  Why do you think it's not ready? Feature-wise, it has everything we
>>  need to replace jz4740-battery, which will be trashed as soon as the
>>  LB60 board code is updated to use the new driver.
> 
> jz4740-battery has a few features not provided by your driver.
> For example the gpio providing the charging status.

Artur sumitted a separate patchset for this functionality:
https://lkml.org/lkml/2019/2/26/501

> Assuming you plan to trash the old driver soon:
> 
> Acked-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> 
>>  We are working on porting the JZ47xx code to devicetree, yes. The
>>  ultimate goal is to completely get rid of
>>  arch/mips/jz4740/board-qi_lb60.c and arch/mips/jz4740/platform.c.
> 
> Ok, sounds good.
> 
> -- Sebastian