Re: [PATCH] Input: synaptics-rmi4 - fix F03 build error when serio is module

From: Guenter Roeck
Date: Tue Dec 27 2016 - 15:58:40 EST


On Tue, Dec 27, 2016 at 11:34:56AM -0800, Dmitry Torokhov wrote:
> Since F03 is a boolean, "depends" on symbols that can be modules
> do not work quite right. We can enable F03 if SERIO is built-in or
> if both RMI core and SERIO core are modules. If SERIO core is module,
> but RMI is built-in, we'll get:
>
> drivers/built-in.o: In function `rmi_f03_attention':
> rmi_f03.c:(.text+0xf8ef8): undefined reference to `serio_interrupt'
> rmi_f03.c:(.text+0xf8fbd): undefined reference to `serio_interrupt'
> drivers/built-in.o: In function `rmi_f03_remove':
> rmi_f03.c:(.text+0xf9082): undefined reference to `serio_unregister_port'
> drivers/built-in.o: In function `rmi_f03_probe':
> rmi_f03.c:(.text+0xf9260): undefined reference to `__serio_register_port'
>
> Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> drivers/input/rmi4/Kconfig | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/input/rmi4/Kconfig b/drivers/input/rmi4/Kconfig
> index 30cc627..8993983 100644
> --- a/drivers/input/rmi4/Kconfig
> +++ b/drivers/input/rmi4/Kconfig
> @@ -41,7 +41,8 @@ config RMI4_SMB
>
> config RMI4_F03
> bool "RMI4 Function 03 (PS2 Guest)"
> - depends on RMI4_CORE && SERIO
> + depends on RMI4_CORE
> + depends on SERIO=y || RMI4_CORE=SERIO
> help
> Say Y here if you want to add support for RMI4 function 03.
>
> --
> 2.8.0.rc3.226.g39d4020
>
>
> --
> Dmitry