Subject: Re: [PATCH 3/4] arm64: Kconfig: Fix VEXPRESS driver dependencies

From: Sudeep Holla <[email-masked]>
Date: Fri, 13 Sep 2019 11:12:39 +0100

On Thu, Sep 12, 2019 at 03:48:47AM +0530, Amit Kucheria wrote:
> Push various VEXPRESS drivers behind ARCH_VEXPRESS dependency so that it
> doesn't get enabled by default on other platforms.
>

I couldn't understand the motivation for these changes from the cover letter.

> Signed-off-by: Amit Kucheria <[email-masked]>
> ---
>  drivers/bus/Kconfig           | 2 +-
>  drivers/clk/versatile/Kconfig | 4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
> index d80e8d70bf10..b2b1beee9953 100644
> --- a/drivers/bus/Kconfig
> +++ b/drivers/bus/Kconfig
> @@ -166,7 +166,7 @@ config UNIPHIER_SYSTEM_BUS
>  
>  config VEXPRESS_CONFIG
>  	bool "Versatile Express configuration bus"
> -	default y if ARCH_VEXPRESS
> +	depends on ARCH_VEXPRESS
>  	depends on ARM || ARM64
>  	depends on OF
>  	select REGMAP
> diff --git a/drivers/clk/versatile/Kconfig b/drivers/clk/versatile/Kconfig
> index ac766855ba16..826750292c1e 100644
> --- a/drivers/clk/versatile/Kconfig
> +++ b/drivers/clk/versatile/Kconfig
> @@ -5,8 +5,8 @@ config ICST
>  config COMMON_CLK_VERSATILE
>  	bool "Clock driver for ARM Reference designs"
>  	depends on ARCH_INTEGRATOR || ARCH_REALVIEW || \
> -		ARCH_VERSATILE || ARCH_VEXPRESS || ARM64 || \
> -		COMPILE_TEST
> +		ARCH_VERSATILE || ARCH_VEXPRESS || COMPILE_TEST
> +	depends on ARM64

This will break 32-bit platforms.

--
Regards,
Sudeep

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