[PATCH v9 3/7] mux: add help text for MULTIPLEXER config option
Peter Rosin
peda at axentia.se
Mon Feb 9 03:10:19 PST 2026
Hi!
2026-02-08 at 16:38, Josua Mayer wrote:
> Add prompt and help text for CONFIG_MULTIPLEXER to allow enabling this
> option thorugh the kernel configuration without explicit "select" driver
> dependencies.
>
> Select it by default when COMPILE_TEST is set for better coverage.
>
> Signed-off-by: Josua Mayer <josua at solid-run.com>
> ---
> drivers/mux/Kconfig | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mux/Kconfig b/drivers/mux/Kconfig
> index c68132e38138..4f7c6bb86fc6 100644
> --- a/drivers/mux/Kconfig
> +++ b/drivers/mux/Kconfig
> @@ -4,7 +4,14 @@
> #
>
> config MULTIPLEXER
> - tristate
> + tristate "Generic Multiplexer Support"
> + default m if COMPILE_TEST
> + help
> + This framework is designed to abstract multiplexer handling for
> + devices via various GPIO-, MMIO/Regmap or specific multiplexer
> + controller chips.
> +
> + If unsure, say no.
>
> menu "Multiplexer drivers"
> depends on MULTIPLEXER
>
I'm not comfortable with making MULTIPLEXER a visible symbol. It is meant to
be selected when needed (and there are a dozen or so instances). The kbuild
docs has this on the subject:
"In general use select only for non-visible symbols (no prompts
anywhere) and for symbols with no dependencies."
Cheers,
Peter
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