linux-kernel - Re: [PATCH V2 21/21] Documentation/kernel-parameters.txt: Add RISC-V for ACPI parameter

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Message-ID: <20230220201556.i3dihi3oj2lwckno@orel>
Date:   Mon, 20 Feb 2023 21:15:56 +0100
From:   Andrew Jones <ajones@...tanamicro.com>
To:     Sunil V L <sunilvl@...tanamicro.com>
Cc:     Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        linux-riscv@...ts.infradead.org, linux-acpi@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Conor Dooley <conor.dooley@...rochip.com>,
        Anup Patel <apatel@...tanamicro.com>,
        Atish Patra <atishp@...osinc.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH V2 21/21] Documentation/kernel-parameters.txt: Add RISC-V
 for ACPI parameter

On Thu, Feb 16, 2023 at 11:50:43PM +0530, Sunil V L wrote:
> With ACPI support added for RISC-V, this kernel parameter is also
> supported on RISC-V. Hence, update the documentation.
> 
> Signed-off-by: Sunil V L <sunilvl@...tanamicro.com>
> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> ---
>  Documentation/admin-guide/kernel-parameters.txt | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 6cfa6e3996cf..b3a5a5844daa 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -1,17 +1,17 @@
> -	acpi=		[HW,ACPI,X86,ARM64]
> +	acpi=		[HW,ACPI,X86,ARM64,RISC-V]
>  			Advanced Configuration and Power Interface
>  			Format: { force | on | off | strict | noirq | rsdt |
>  				  copy_dsdt }
>  			force -- enable ACPI if default was off
> -			on -- enable ACPI but allow fallback to DT [arm64]
> +			on -- enable ACPI but allow fallback to DT [arm64,riscv]
>  			off -- disable ACPI if default was on
>  			noirq -- do not use ACPI for IRQ routing
>  			strict -- Be less tolerant of platforms that are not
>  				strictly ACPI specification compliant.
>  			rsdt -- prefer RSDT over (default) XSDT
>  			copy_dsdt -- copy DSDT to memory
> -			For ARM64, ONLY "acpi=off", "acpi=on" or "acpi=force"
> -			are available
> +			For ARM64 and RISC-V, ONLY "acpi=off", "acpi=on" or
> +			"acpi=force" are available
>  
>  			See also Documentation/power/runtime_pm.rst, pci=noacpi
>  
> -- 
> 2.34.1
>

I'd squash this into patch 18, "RISC-V: Add ACPI initialization in
setup_arch()"

Thanks,
drew