linux-kernel - Re: [PATCH 5/7] gpu: nova-core: Add support for managing GSP falcon interrupts

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Message-Id: <DDONF5MY5Y8F.1LPCBN4MBL5RZ@nvidia.com>
Date: Wed, 22 Oct 2025 15:48:41 +0900
From: "Alexandre Courbot" <acourbot@...dia.com>
To: "John Hubbard" <jhubbard@...dia.com>, "Joel Fernandes"
 <joelagnelf@...dia.com>, <linux-kernel@...r.kernel.org>,
 <rust-for-linux@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
 <dakr@...nel.org>, <acourbot@...dia.com>
Cc: "Alistair Popple" <apopple@...dia.com>, "Miguel Ojeda"
 <ojeda@...nel.org>, "Alex Gaynor" <alex.gaynor@...il.com>, "Boqun Feng"
 <boqun.feng@...il.com>, "Gary Guo" <gary@...yguo.net>,
 <bjorn3_gh@...tonmail.com>, "Benno Lossin" <lossin@...nel.org>, "Andreas
 Hindborg" <a.hindborg@...nel.org>, "Alice Ryhl" <aliceryhl@...gle.com>,
 "Trevor Gross" <tmgross@...ch.edu>, "David Airlie" <airlied@...il.com>,
 "Simona Vetter" <simona@...ll.ch>, "Maarten Lankhorst"
 <maarten.lankhorst@...ux.intel.com>, "Maxime Ripard" <mripard@...nel.org>,
 "Thomas Zimmermann" <tzimmermann@...e.de>, "Timur Tabi" <ttabi@...dia.com>,
 <joel@...lfernandes.org>, "Elle Rhumsaa" <elle@...thered-steel.dev>,
 "Daniel Almeida" <daniel.almeida@...labora.com>,
 <nouveau@...ts.freedesktop.org>
Subject: Re: [PATCH 5/7] gpu: nova-core: Add support for managing GSP falcon
 interrupts

On Tue Oct 21, 2025 at 7:35 AM JST, John Hubbard wrote:
> Alex, this ".alter" method is misnamed, IMHO. Because for registers,
> The One True Way (or so I claim, haha) is to have the following methods:
>
>     .read
>     .modify, also known as RMW (read-modify-write)
>     .write
>
> "alter" never shows up in this naming scheme. I'm going to claim that
> this is a bit jarring for old hardware/kernel programmers.
>
> But it's not too late: these are only used in a very few places, and entirely
> within nova-core, too.
>
> Can I *please* send a patch to rename "alter" to "modify", perhaps?

Oh yes, although I was just thinking that this should be renamed to
`update` for consistency with regmap.