Re: [PATCH v2 05/17] pmdomain: bcm: Move Kconfig options to the pmdomain subsystem

[Florian Fainelli <florian.fainelli@broadcom.com>]

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On 9/15/23 02:19, Ulf Hansson wrote:
> The Kconfig options belongs closer to the corresponding implementations,
> hence let's move them from the soc subsystem to the pmdomain subsystem.
> 
> Cc: Florian Fainelli <florian.fainelli@broadcom.com>
> Cc: Ray Jui <rjui@broadcom.com>
> Cc: Scott Branden <sbranden@broadcom.com>
> Cc: <linux-mips@vger.kernel.org>
> Cc: <linux-rpi-kernel@lists.infradead.org>
> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
> ---
>   drivers/pmdomain/Kconfig     |  1 +
>   drivers/pmdomain/bcm/Kconfig | 46 ++++++++++++++++++++++++++++++++++++
>   drivers/soc/bcm/Kconfig      | 42 --------------------------------
>   3 files changed, 47 insertions(+), 42 deletions(-)
>   create mode 100644 drivers/pmdomain/bcm/Kconfig
> 
> diff --git a/drivers/pmdomain/Kconfig b/drivers/pmdomain/Kconfig
> index 482d9e970e14..ddc05d6af100 100644
> --- a/drivers/pmdomain/Kconfig
> +++ b/drivers/pmdomain/Kconfig
> @@ -4,5 +4,6 @@ menu "PM Domains"
>   source "drivers/pmdomain/actions/Kconfig"
>   source "drivers/pmdomain/amlogic/Kconfig"
>   source "drivers/pmdomain/apple/Kconfig"
> +source "drivers/pmdomain/bcm/Kconfig"
>   
>   endmenu
> diff --git a/drivers/pmdomain/bcm/Kconfig b/drivers/pmdomain/bcm/Kconfig
> new file mode 100644
> index 000000000000..9311e90b7707
> --- /dev/null
> +++ b/drivers/pmdomain/bcm/Kconfig
> @@ -0,0 +1,46 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +menu "Broadcom PM Domains"
> +
> +config BCM2835_POWER
> +	bool "BCM2835 power domain driver"
> +	depends on ARCH_BCM2835 || (COMPILE_TEST && OF)
> +	default y if ARCH_BCM2835
> +	select PM_GENERIC_DOMAINS if PM
> +	select RESET_CONTROLLER
> +	help
> +	  This enables support for the BCM2835 power domains and reset
> +	  controller.  Any usage of power domains by the Raspberry Pi
> +	  firmware means that Linux usage of the same power domain
> +	  must be accessed using the RASPBERRYPI_POWER driver
> +
> +config RASPBERRYPI_POWER
> +	bool "Raspberry Pi power domain driver"
> +	depends on ARCH_BCM2835 || (COMPILE_TEST && OF)
> +	depends on RASPBERRYPI_FIRMWARE=y
> +	select PM_GENERIC_DOMAINS if PM
> +	help
> +	  This enables support for the RPi power domains which can be enabled
> +	  or disabled via the RPi firmware.
> +
> +config BCM_PMB
> +	bool "Broadcom PMB (Power Management Bus) driver"
> +	depends on ARCH_BCMBCA || (COMPILE_TEST && OF)
> +	default ARCH_BCMBCA
> +	select PM_GENERIC_DOMAINS if PM
> +	help
> +	  This enables support for the Broadcom's PMB (Power Management Bus) that
> +	  is used for disabling and enabling SoC devices.
> +
> +if SOC_BCM63XX
> +
> +config BCM63XX_POWER
> +	bool "BCM63xx power domain driver"
> +	depends on BMIPS_GENERIC || (COMPILE_TEST && OF)
> +	select PM_GENERIC_DOMAINS if PM
> +	help
> +	  This enables support for the BCM63xx power domains controller on
> +	  BCM6318, BCM6328, BCM6362 and BCM63268 SoCs.
> +
> +endif # SOC_BCM63XX

That is confusing, SOC_BCM63XX remains defined in 
drivers/soc/bcm/Kconfig, but we now made BCM63XX_POWER's visibility 
conditional upon a Kconfig symbol defined elsewhere, I would just drop 
the "if" condition completely.
-- 
Florian


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