linux-kernel - Re: [PATCH] Input: raspberrypi-ts: select CONFIG_INPUT

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Date:   Sat, 9 Mar 2019 15:34:38 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Cc:     Arnd Bergmann <arnd@...db.de>, Zhu Yi <yi.zhu5@...bosch.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: raspberrypi-ts: select CONFIG_INPUT_POLLDEV

On Tue, Mar 05, 2019 at 11:39:42AM +0100, Nicolas Saenz Julienne wrote:
> On Mon, 2019-03-04 at 20:57 +0100, Arnd Bergmann wrote:
> > When CONFIG_INPUT_POLLDEV is disabled, we get a link error:
> > 
> > drivers/input/touchscreen/raspberrypi-ts.o: In function `rpi_ts_probe':
> > raspberrypi-ts.c:(.text+0xec): undefined reference to
> > `devm_input_allocate_polled_device'
> > raspberrypi-ts.c:(.text+0xec): relocation truncated to fit: R_AARCH64_CALL26
> > against undefined symbol `devm_input_allocate_polled_device'
> > raspberrypi-ts.c:(.text+0x19c): undefined reference to
> > `input_register_polled_device'
> > raspberrypi-ts.c:(.text+0x19c): relocation truncated to fit: R_AARCH64_CALL26
> > against undefined symbol `input_register_polled_device'
> > 
> > Select that symbol like we do from the other similar drivers.
> > 
> > Fixes: 0b9f28fed3f7 ("Input: add official Raspberry Pi's touchscreen driver")
> > Signed-off-by: Arnd Bergmann <arnd@...db.de>
> > ---
> >  drivers/input/touchscreen/Kconfig | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/input/touchscreen/Kconfig
> > b/drivers/input/touchscreen/Kconfig
> > index 7c597a49c265..7a4884ad198b 100644
> > --- a/drivers/input/touchscreen/Kconfig
> > +++ b/drivers/input/touchscreen/Kconfig
> > @@ -699,6 +699,7 @@ config TOUCHSCREEN_EDT_FT5X06
> >  config TOUCHSCREEN_RASPBERRYPI_FW
> >  	tristate "Raspberry Pi's firmware base touch screen support"
> >  	depends on RASPBERRYPI_FIRMWARE || (RASPBERRYPI_FIRMWARE=n &&
> > COMPILE_TEST)
> > +	select INPUT_POLLDEV
> >  	help
> >  	  Say Y here if you have the official Raspberry Pi 7 inch screen on
> >  	  your system.
> 
> Thanks!
> Looks good to me.
> 
> Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
> 

Applied, thank you.


-- 
Dmitry