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Date:   Mon, 30 May 2022 18:57:44 -0700
From:   Dmitry Torokhov <dmitry.torokhov@gmail.com>
To:     Randy Dunlap <rdunlap@infradead.org>
Cc:     Charles Mirabile <cmirabil@redhat.com>,
        linux-kernel@vger.kernel.org,
        Serge Schneider <serge@raspberrypi.org>,
        Stefan Wahren <stefan.wahren@i2se.com>,
        Nicolas Saenz Julienne <nsaenzju@redhat.com>,
        Mattias Brugger <mbrugger@suse.com>,
        linux-rpi-kernel@lists.infradead.org,
        linux-arm-kernel@lists.infradead.org, fedora-rpi@googlegroups.com,
        linux-input@vger.kernel.org, Daniel Bauman <dbauman@redhat.com>,
        Mwesigwa Guma <mguma@redhat.com>,
        Joel Savitz <jsavitz@redhat.com>
Subject: Re: [PATCH v9 2/6] drivers/input/joystick: sensehat: Raspberry Pi
 Sense HAT joystick driver
Message-ID: <YpV2GNAJQhag9Osu@google.com>
References: <20220419205158.28088-1-cmirabil@redhat.com>
 <20220419205158.28088-3-cmirabil@redhat.com>
 <ecb3f627-3379-1b18-02c0-44782a2623d4@infradead.org>
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Hi Randy,

On Mon, May 30, 2022 at 06:26:26PM -0700, Randy Dunlap wrote:
> Hi--
> 
> On 4/19/22 13:51, Charles Mirabile wrote:
> > diff --git a/drivers/input/joystick/Kconfig b/drivers/input/joystick/Kconfig
> > index 3b23078bc7b5..505a032e2786 100644
> > --- a/drivers/input/joystick/Kconfig
> > +++ b/drivers/input/joystick/Kconfig
> > @@ -399,4 +399,15 @@ config JOYSTICK_N64
> >  	  Say Y here if you want enable support for the four
> >  	  built-in controller ports on the Nintendo 64 console.
> >  
> > +config JOYSTICK_SENSEHAT
> > +	tristate "Raspberry Pi Sense HAT joystick"
> > +	depends on INPUT && I2C
> > +	select MFD_SIMPLE_MFD_I2C
> 
> Looks like this also needs
> 	depends on HAS_IOMEM
> 
> since everything in drivers/mfd/Kconfig depends on HAS_IOMEM and
> since this 'select' causes a kconfig warning when HAS_IOMEM is not set:
> 
> WARNING: unmet direct dependencies detected for MFD_SIMPLE_MFD_I2C
>   Depends on [n]: HAS_IOMEM [=n] && I2C [=y]
>   Selected by [y]:
>   - JOYSTICK_SENSEHAT [=y] && INPUT_JOYSTICK [=y] && INPUT [=y] && I2C [=y]

Do you mind sending a patch?

Thanks.

-- 
Dmitry