linux-kernel - Re: [PATCH] pmdomain: rockchip: add regulator dependency

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Message-ID: <2g5p6ucwp55zuisupqx6dglikmbm5rqy3yl34mqobs3giucfqe@um6uhmglxhex>
Date: Tue, 4 Mar 2025 15:31:37 +0100
From: Sebastian Reichel <sebastian.reichel@...labora.com>
To: Arnd Bergmann <arnd@...nel.org>
Cc: Ulf Hansson <ulf.hansson@...aro.org>, Heiko Stuebner <heiko@...ech.de>, 
	Arnd Bergmann <arnd@...db.de>, linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pmdomain: rockchip: add regulator dependency

Hi,

On Tue, Mar 04, 2025 at 03:27:59PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> When CONFIG_REGULATOR is disabled, this pmdomain driver fails to build:
> 
> drivers/pmdomain/rockchip/pm-domains.c:653:30: error: implicit declaration of function 'devm_of_regulator_get'; did you mean 'devm_regulator_get'? [-Wimplicit-function-declaration]
>   653 |                 pd->supply = devm_of_regulator_get(pmu->dev, pd->node, "domain");
>       |                              ^~~~~~~~~~~~~~~~~~~~~
>       |                              devm_regulator_get
> drivers/pmdomain/rockchip/pm-domains.c:653:28: error: assignment to 'struct regulator *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
>   653 |                 pd->supply = devm_of_regulator_get(pmu->dev, pd->node, "domain");
>       |                            ^
> 
> Add a Kconfig dependency.
> 
> Fixes: db6df2e3fc16 ("pmdomain: rockchip: add regulator support")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reichel@...labora.com>

-- Sebastian

>  drivers/pmdomain/rockchip/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/pmdomain/rockchip/Kconfig b/drivers/pmdomain/rockchip/Kconfig
> index 7e4f9b628f0b..218d43186e5b 100644
> --- a/drivers/pmdomain/rockchip/Kconfig
> +++ b/drivers/pmdomain/rockchip/Kconfig
> @@ -5,6 +5,7 @@ config ROCKCHIP_PM_DOMAINS
>  	bool "Rockchip generic power domain"
>  	depends on PM
>  	depends on HAVE_ARM_SMCCC_DISCOVERY
> +	depends on REGULATOR
>  	select PM_GENERIC_DOMAINS
>  	help
>  	  Say y here to enable power domain support.
> -- 
> 2.39.5
> 

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