linux-kernel - Re: [PATCH v5 2/4] power: supply: Add support for the Qualcomm Battery Monitoring System

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Date:   Wed, 13 Jun 2018 16:58:53 +0100
From:   Craig Tatlor <ctatlor97@...il.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-arm-msm@...r.kernel.org, Sebastian Reichel <sre@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 2/4] power: supply: Add support for the Qualcomm
 Battery Monitoring System

On Thu, Jun 07, 2018 at 12:08:20PM -0700, Randy Dunlap wrote:
> On 06/07/2018 11:12 AM, Craig Tatlor wrote:
> > This patch adds a driver for the BMS (Battery Monitoring System)
> > block of the PM8941 PMIC, it uses a lookup table defined in the
> > device tree to generate a capacity from the BMS supplied OCV, it
> > then ammends the coulomb counter to that to increase the accuracy
> 
>        amends
> 
> > of the estimated capacity.
> > 
> > Signed-off-by: Craig Tatlor <ctatlor97@...il.com>
> > ---
> 
> > diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig
> > index 428b426842f4..6c354c37bc55 100644
> > --- a/drivers/power/supply/Kconfig
> > +++ b/drivers/power/supply/Kconfig
> > @@ -82,6 +82,15 @@ config BATTERY_ACT8945A
> >  	  Say Y here to enable support for power supply provided by
> >  	  Active-semi ActivePath ACT8945A charger.
> >  
> > +config BATTERY_BMS
> > +	tristate "Qualcomm Battery Monitoring System driver"
> > +	depends on MFD_SPMI_PMIC || COMPILE_TEST
> > +	depends on OF
> > +	depends on REGMAP_SPMI
> 
> 	select REGMAP_SPMI
> 
> I'm not a fan of "select", but it does not have a prompt string so it isn't
> user settable (not directly; it can be set indirectly).
> And all other uses of it in Kconfig files use "select".
> 
> > +	help
> > +	  Say Y to include support for the Battery Monitoring hardware
> > +	  found in some Qualcomm PM series PMICs.
> > +
> >  config BATTERY_CPCAP
> >  	tristate "Motorola CPCAP PMIC battery driver"
> >  	depends on MFD_CPCAP && IIO
> 
Thanks for the review.
> 
> -- 
> ~Randy