linux-kernel - Re: [PATCH v6 1/1] irqchip/gic-v3: Enable non-coherent redistributors/ITSes ACPI probing

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Message-ID: <ZmK5Ilk37GyJ4QEa@lpieralisi>
Date: Fri, 7 Jun 2024 09:39:14 +0200
From: Lorenzo Pieralisi <lpieralisi@...nel.org>
To: Amit Singh Tomar <amitsinght@...vell.com>
Cc: linux-kernel@...r.kernel.org, Robin Murphy <robin.murphy@....com>,
	Marc Zyngier <maz@...nel.org>, Thomas Gleixner <tglx@...utronix.de>,
	Mark Rutland <mark.rutland@....com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	linux-arm-kernel@...ts.infradead.org, linux-acpi@...r.kernel.org,
	acpica-devel@...ts.linux.dev
Subject: Re: [PATCH v6 1/1] irqchip/gic-v3: Enable non-coherent
 redistributors/ITSes ACPI probing

On Fri, Jun 07, 2024 at 12:21:54AM +0530, Amit Singh Tomar wrote:

[...]

> > diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
> > index b203cfe28550..915713c0e9b7 100644
> > --- a/drivers/acpi/processor_core.c
> > +++ b/drivers/acpi/processor_core.c
> > @@ -215,6 +215,21 @@ phys_cpuid_t __init acpi_map_madt_entry(u32 acpi_id)
> >   	return rv;
> >   }
> > +int __init acpi_get_madt_revision(void)
> 
> Wondering, if we can have a generic function (acpi_get_tbl_revision) to
> obtain the revision number for any ACPI table, not just specific to MADT?

We could - I don't think there would be users other than code in this
patch though so I thought it would not be necessary.

Lorenzo