linux-kernel - Re: [PATCH v4 04/23] RISC-V: Add defines for the SBI message proxy extension

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Message-ID: <aDV8E0TF_cYuoQ4A@smile.fi.intel.com>
Date: Tue, 27 May 2025 11:47:15 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Anup Patel <apatel@...tanamicro.com>
Cc: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jassi Brar <jassisinghbrar@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Uwe Kleine-König <ukleinek@...nel.org>,
	Palmer Dabbelt <palmer@...belt.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Len Brown <lenb@...nel.org>, Sunil V L <sunilvl@...tanamicro.com>,
	Rahul Pathak <rpathak@...tanamicro.com>,
	Leyfoon Tan <leyfoon.tan@...rfivetech.com>,
	Atish Patra <atish.patra@...ux.dev>,
	Andrew Jones <ajones@...tanamicro.com>,
	Samuel Holland <samuel.holland@...ive.com>,
	Anup Patel <anup@...infault.org>, linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 04/23] RISC-V: Add defines for the SBI message proxy
 extension

On Sun, May 25, 2025 at 02:16:51PM +0530, Anup Patel wrote:
> Add defines for the new SBI message proxy extension which is part
> of the SBI v3.0 specification.

...

> +/** RPMI message protocol specific MPXY attributes */

If you do a kernel-doc, do it properly.

> +enum sbi_mpxy_rpmi_attribute_id {
> +	SBI_MPXY_RPMI_ATTR_SERVICEGROUP_ID = SBI_MPXY_ATTR_MSGPROTO_ATTR_START,
> +	SBI_MPXY_RPMI_ATTR_SERVICEGROUP_VERSION,

> +	SBI_MPXY_RPMI_ATTR_MAX_ID,

Remove trailing comma for the terminator.

> +};
> +
> +/* Encoding of MSG_PROT_VER attribute */
> +#define SBI_MPXY_MSG_PROT_VER_MAJOR(__ver)	(((__ver) >> 16) & 0xffff)
> +#define SBI_MPXY_MSG_PROT_VER_MINOR(__ver)	((__ver) & 0xffff)

This can utilise GENAMSK() or even upper_16_bits()/lower_16_bits().

-- 
With Best Regards,
Andy Shevchenko