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Re: [XEN PATCH v3 1/2] x86/cpufreq: move ACPI cpufreq driver into separate file


  • To: Sergiy Kibrik <Sergiy_Kibrik@xxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Wed, 10 Jul 2024 16:29:49 +0200
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  • Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
  • Delivery-date: Wed, 10 Jul 2024 14:30:17 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 10.07.2024 10:28, Sergiy Kibrik wrote:
> Separate ACPI driver from generic initialization cpufreq code.
> This way acpi-cpufreq can become optional in the future and be disabled
> from non-Intel builds.
> 
> no changes to code were introduced, except:
>   acpi_cpufreq_register() helper added
>   clean up a list of included headers
>   license transformed into an SPDX line
> 
> Signed-off-by: Sergiy Kibrik <Sergiy_Kibrik@xxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
with perhaps two tiny further adjustments, which I'd be happy to do while
committing:

> --- /dev/null
> +++ b/xen/arch/x86/acpi/cpufreq/acpi.c
> @@ -0,0 +1,518 @@
> +/* SPDX-License-Identifier: GPL-2.0-or-later */
> +/*
> + *  cpufreq.c - ACPI Processor P-States Driver ($Revision: 1.4 $)
> + *
> + *  Copyright (C) 2001, 2002 Andy Grover <andrew.grover@xxxxxxxxx>
> + *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@xxxxxxxxx>
> + *  Copyright (C) 2002 - 2004 Dominik Brodowski <linux@xxxxxxxx>
> + *  Copyright (C) 2006        Denis Sadykov <denis.m.sadykov@xxxxxxxxx>
> + *
> + *  Feb 2008 - Liu Jinsong <jinsong.liu@xxxxxxxxx>
> + *      porting acpi-cpufreq.c from Linux 2.6.23 to Xen hypervisor
> + */
> +
> +#include <xen/types.h>
> +#include <xen/errno.h>
> +#include <xen/delay.h>
> +#include <xen/param.h>

Would be nice if in the new file xen/ #include-s were sorted.

> +#include <acpi/acpi.h>
> +#include <acpi/cpufreq/cpufreq.h>
> +
> +

No double blank lines please.

Jan



 


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