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

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Date:   Fri, 24 Feb 2023 18:07:47 +0530
From:   Sunil V L <sunilvl@...tanamicro.com>
To:     Andrew Jones <ajones@...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 Mon, Feb 20, 2023 at 09:15:56PM +0100, Andrew Jones wrote:
> 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()"
> 
Sure. Let me squash in the next revision.

Thanks,
Sunil