linux-kernel - Re: [PATCH] arm64: Kconfig: Add SYS_SUPPORTS_APM

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Date:   Mon, 14 Dec 2020 17:28:51 +0800
From:   Lecopzer Chen <lecopzer.chen@...iatek.com>
To:     <mark.rutland@....com>
CC:     <catalin.marinas@....com>, <lecopzer.chen@...iatek.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>, <matthias.bgg@...il.com>,
        <will@...nel.org>, <yj.chiang@...iatek.com>
Subject: Re: [PATCH] arm64: Kconfig: Add SYS_SUPPORTS_APM_EMULATION

Hi,

Could any maintainer help review this?

Thanks a lot for your help,

BRs,
Lecopzer


> Although most of modern devices use ACPI, there still has combination
> of APM + ARM64.
> 
> In order to select CONFIG_APM_EMULATION, make SYS_SUPPORTS_APM_EMULATION
> default is y if ACPI isn't configured.
> 
> Signed-off-by: Lecopzer Chen <lecopzer.chen@...iatek.com>
> Suggested-by: YJ Chiang <yj.chiang@...iatek.com>
> ---
>  arch/arm64/Kconfig | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 1515f6f153a0..5e9e3694015a 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -260,6 +260,9 @@ config NO_IOPORT_MAP
>  config STACKTRACE_SUPPORT
>  	def_bool y
>  
> +config SYS_SUPPORTS_APM_EMULATION
> +	def_bool y if !ACPI
> +
>  config ILLEGAL_POINTER_VALUE
>  	hex
>  	default 0xdead000000000000