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@xxxxxxxx>
> ---
> 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@xxxxxxx>
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