Re: [PATCH v4] input: pxrc: new driver for PhoenixRC Flight Controller Adapter

From: Marcus Folkesson
Date: Wed Jan 17 2018 - 14:45:28 EST


Hi Randy!

On Wed, Jan 17, 2018 at 11:13:43AM -0800, Randy Dunlap wrote:
> On 01/17/2018 11:07 AM, Marcus Folkesson wrote:
> > This driver let you plug in your RC controller to the adapter and
> > use it as input device in various RC simulators.
> >
> > Signed-off-by: Marcus Folkesson <marcus.folkesson@xxxxxxxxx>
> > ---
>
> > diff --git a/drivers/input/joystick/Kconfig b/drivers/input/joystick/Kconfig
> > index f3c2f6ea8b44..18ab6dafff41 100644
> > --- a/drivers/input/joystick/Kconfig
> > +++ b/drivers/input/joystick/Kconfig
> > @@ -351,4 +351,13 @@ config JOYSTICK_PSXPAD_SPI_FF
> >
> > To drive rumble motor a dedicated power supply is required.
> >
> > +config JOYSTICK_PXRC
> > + tristate "PhoenixRC Flight Controller Adapter"
> > + depends on USB_ARCH_HAS_HCD
> > + select USB
>
> Drop the (first) depends and change "select USB" to "depends on USB".
>
> Argh, there are lots of input/ drivers that do that. That's bad/wrong.
> A driver should not select (enable) an entire subsystem. If the user had
> the subsystem disabled, it should stay that way.
>
> Dmitry, you can expect some patches...
>

Hah, of course it should be "depends on" :-)
Other drivers fooled me...

Should I fix the other drivers too when I'm on it, or do you?


> > + help
> > + Say Y here if you want to use the PhoenixRC Flight Controller Adapter.
> > +
> > + To compile this driver as a module, choose M here: the
> > + module will be called pxrc.
> > endif
>
> --
> ~Randy


Best regards
Marcus Folkesson

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