Re: [PATCH] bus: simple-pm-bus: convert bool SIMPLE_PM_BUS to tristate

From: Simon Horman
Date: Fri Dec 01 2017 - 02:03:24 EST


On Thu, Nov 30, 2017 at 12:57:00PM +0100, Geert Uytterhoeven wrote:
> From: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
>
> The Kconfig currently controlling compilation of this code is:
>
> config SIMPLE_PM_BUS
> bool "Simple Power-Managed Bus Driver"
>
> ...meaning that it currently is not being built as a module by anyone.
>
> In removing the orphaned modular support in a previous patch set,
> Geert indicated he'd rather see this code converted to tristate.
>
> I normally don't do that because it extends functionality that I
> can't easily run time test or even know if the use case makes sense,
> but since in this case the author has nominated it as such, we do
> the conversion here.
>
> Note that doesn't change the lack of run time testing ; this change
> is only tested for sucessful compile and modpost.
>
> [geert: Ethernet is probed successfully on sh73a0/kzm9g after
> insmodding simple-pm-bus.ko]
>
> Cc: Kevin Hilman <khilman@xxxxxxxxxx>
> Cc: Simon Horman <horms+renesas@xxxxxxxxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
> Tested-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Acked-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>

> ---
> drivers/bus/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
> index dc7b3c7b7d42fd09..57e011d36a79fce3 100644
> --- a/drivers/bus/Kconfig
> +++ b/drivers/bus/Kconfig
> @@ -120,7 +120,7 @@ config QCOM_EBI2
> SRAM, ethernet adapters, FPGAs and LCD displays.
>
> config SIMPLE_PM_BUS
> - bool "Simple Power-Managed Bus Driver"
> + tristate "Simple Power-Managed Bus Driver"
> depends on OF && PM
> help
> Driver for transparent busses that don't need a real driver, but
> --
> 2.7.4
>