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

From: Randy Dunlap
Date: Wed Jan 17 2018 - 14:13:51 EST


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...

> + 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