linux-kernel - Re: [PATCH 04/24] RISC-V: ACPI: Add empty headers to enable ACPI core

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Message-ID: <Y+P+TF1MJ2OnwHVX@spud>
Date:   Wed, 8 Feb 2023 19:55:56 +0000
From:   Conor Dooley <conor@...nel.org>
To:     Sunil V L <sunilvl@...tanamicro.com>
Cc:     Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Jonathan Corbet <corbet@....net>,
        linux-riscv@...ts.infradead.org, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        Anup Patel <apatel@...tanamicro.com>,
        Andrew Jones <ajones@...tanamicro.com>,
        Atish Patra <atishp@...osinc.com>
Subject: Re: [PATCH 04/24] RISC-V: ACPI: Add empty headers to enable ACPI core

On Mon, Jan 30, 2023 at 11:52:05PM +0530, Sunil V L wrote:
> Few header files are required unconditionally by ACPI core.

nit: A few. Without the article this has a different meaning.

> So add empty header files for now and update it when needed.

s/ and update it when needed// ;)

> 
> Signed-off-by: Sunil V L <sunilvl@...tanamicro.com>
> ---
>  arch/riscv/include/asm/acenv.h | 17 +++++++++++++++++
>  arch/riscv/include/asm/cpu.h   |  9 +++++++++
>  2 files changed, 26 insertions(+)
>  create mode 100644 arch/riscv/include/asm/acenv.h
>  create mode 100644 arch/riscv/include/asm/cpu.h
> 
> diff --git a/arch/riscv/include/asm/acenv.h b/arch/riscv/include/asm/acenv.h
> new file mode 100644
> index 000000000000..bbc38ecdf753
> --- /dev/null
> +++ b/arch/riscv/include/asm/acenv.h
> @@ -0,0 +1,17 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * RISC-V specific ACPICA environments and implementation
> + *
> + * Copyright (C) 2014, Linaro Ltd.
> + *   Author: Hanjun Guo <hanjun.guo@...aro.org>
> + *   Author: Graeme Gregory <graeme.gregory@...aro.org>
> + * Copyright (C) 2023, Ventana Micro Systems Inc.
> + *   Author: Sunil V L <sunilvl@...tanamicro.com>

More out of idle curiosity than anything else, but what, may I ask, is
copyrightable about 2 empty files?
Triply so given there are !3! contributors to said empty file!

> + */
> +
> +#ifndef _ASM_ACENV_H
> +#define _ASM_ACENV_H
> +
> +/* It is required unconditionally by ACPI core, update it when needed. */

How come this file gets a comment and the other doesn't?
Also the comment doesn't really make much sense to me in a vacuum, and
ideally would read like:
"This header is required unconditionally by the ACPI core"
That is, if a comment is really even needed.

Cheers,
Conor.

> +
> +#endif /* _ASM_ACENV_H */
> diff --git a/arch/riscv/include/asm/cpu.h b/arch/riscv/include/asm/cpu.h
> new file mode 100644
> index 000000000000..51ec1a89a7a9
> --- /dev/null
> +++ b/arch/riscv/include/asm/cpu.h
> @@ -0,0 +1,9 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Copyright (C) 2014 ARM Ltd.
> + * Copyright (C) 2023 Ventana Micro Systems Inc.
> + */
> +#ifndef __ASM_CPU_H
> +#define __ASM_CPU_H
> +
> +#endif /* __ASM_CPU_H */
> -- 
> 2.38.0
> 

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