linux-kernel - Re: [PATCH] power: supply: Add dependency to lego-ev3-battery Kconfig options

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Message-ID: <20200812133711.ddwhxypmvr27pxdu@lenovo-laptop>
Date:   Wed, 12 Aug 2020 14:37:11 +0100
From:   Alex Dewar <alex.dewar90@...il.com>
To:     David Lechner <david@...hnology.com>
Cc:     Alex Dewar <alex.dewar90@...il.com>,
        Sebastian Reichel <sre@...nel.org>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Sekhar Nori <nsekhar@...com>,
        Bartosz Go??aszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH] power: supply: Add dependency to lego-ev3-battery
 Kconfig options

On Tue, Aug 11, 2020 at 09:24:10AM -0500, David Lechner wrote:
> On 8/9/20 1:54 PM, Alex Dewar wrote:
> > This battery appears only to be used by a single board (DA850), so it
> > makes sense to add this to the Kconfig file so that users don't build
> > the module unnecessarily. It currently seems to be built for the x86
> > Arch Linux kernel where it's probably not doing much good.
> 
> It would probably also make sense to add "default n" since it only
> applies to one board in the entire arch.

Ah ok. That makes sense. Would you like me to send a follow-on patch for
this?

Alex

> 
> BATTERY_LEGO_EV3 is already explicitly set to "m" in the appropriate
> defconfig file, so I don't think it would break anything.
> 
> > 
> > Signed-off-by: Alex Dewar <alex.dewar90@...il.com>
> > ---
> >   drivers/power/supply/Kconfig | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig
> > index faf2830aa1527..9f76e2f47ac6d 100644
> > --- a/drivers/power/supply/Kconfig
> > +++ b/drivers/power/supply/Kconfig
> > @@ -164,7 +164,7 @@ config BATTERY_DS2782
> >   config BATTERY_LEGO_EV3
> >   	tristate "LEGO MINDSTORMS EV3 battery"
> > -	depends on OF && IIO && GPIOLIB
> > +	depends on OF && IIO && GPIOLIB && (ARCH_DAVINCI_DA850 || COMPILE_TEST)
> >   	help
> >   	  Say Y here to enable support for the LEGO MINDSTORMS EV3 battery.
> > 
>