linux-kernel - Re: [PATCH v6 2/5] rust: pci: provide access to PCI Vendor values

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Message-ID: <f0d38862-5d4d-4418-b8ab-d7d7b3c63b67@nvidia.com>
Date: Mon, 25 Aug 2025 19:19:45 -0700
From: John Hubbard <jhubbard@...dia.com>
To: Alexandre Courbot <acourbot@...dia.com>,
 Danilo Krummrich <dakr@...nel.org>
Cc: Joel Fernandes <joelagnelf@...dia.com>, Timur Tabi <ttabi@...dia.com>,
 Alistair Popple <apopple@...dia.com>, David Airlie <airlied@...il.com>,
 Simona Vetter <simona@...ll.ch>, Bjorn Helgaas <bhelgaas@...gle.com>,
 Krzysztof Wilczyński <kwilczynski@...nel.org>,
 Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>,
 Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
 Björn Roy Baron <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>,
 nouveau@...ts.freedesktop.org, linux-pci@...r.kernel.org,
 rust-for-linux@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
 Elle Rhumsaa <elle@...thered-steel.dev>
Subject: Re: [PATCH v6 2/5] rust: pci: provide access to PCI Vendor values

On 8/25/25 5:33 AM, Alexandre Courbot wrote:
>> +/// Once constructed, a `Vendor` contains a valid PCI Vendor ID.
>> +impl Vendor {
>> +    /// Create a new Vendor from a raw 16-bit vendor ID.
> 
> The argument is 32-bit. :) Which triggers the question: why store these
> as u32 if a u16 is the right size?

Good point! I'll change it to u16.


thanks,
-- 
John Hubbard