From: "Benno Lossin" <lossin@kernel.org>
To: "Daniel Almeida" <daniel.almeida@collabora.com>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Danilo Krummrich" <dakr@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
Cc: <linux-kernel@vger.kernel.org>, <rust-for-linux@vger.kernel.org>,
<linux-usb@vger.kernel.org>
Subject: Re: [PATCH 1/2] rust: usb: add basic USB abstractions
Date: Mon, 25 Aug 2025 22:49:31 +0200 [thread overview]
Message-ID: <DCBSZC9IDT4L.SPHF4KVM5KEW@kernel.org> (raw)
In-Reply-To: <20250825-b4-usb-v1-1-7aa024de7ae8@collabora.com>
On Mon Aug 25, 2025 at 8:18 PM CEST, Daniel Almeida wrote:
> +impl DeviceId {
> + /// Equivalent to C's `USB_DEVICE` macro.
> + pub const fn from_id(vendor: u16, product: u16) -> Self {
> + Self(bindings::usb_device_id {
> + match_flags: bindings::USB_DEVICE_ID_MATCH_DEVICE as u16,
> + idVendor: vendor,
> + idProduct: product,
> + // SAFETY: It is safe to use all zeroes for the other fields of `usb_device_id`.
> + ..unsafe { MaybeUninit::zeroed().assume_init() }
You can avoid this usage of `unsafe` with this patch series:
https://lore.kernel.org/all/20250814093046.2071971-1-lossin@kernel.org
I'd like to avoid introducing any new one of these.
---
Cheers,
Benno
> + })
> + }
next prev parent reply other threads:[~2025-08-25 20:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-25 18:18 [PATCH 0/2] rust: usb: add initial USB abstractions Daniel Almeida
2025-08-25 18:18 ` [PATCH 1/2] rust: usb: add basic " Daniel Almeida
2025-08-25 20:49 ` Benno Lossin [this message]
2025-08-25 21:03 ` Daniel Almeida
2025-08-25 18:18 ` [PATCH 2/2] samples: rust: add a USB driver sample Daniel Almeida
2025-09-06 11:14 ` Greg Kroah-Hartman
2025-09-06 12:04 ` Daniel Almeida
2025-09-06 12:10 ` Greg Kroah-Hartman
2025-09-06 12:41 ` Daniel Almeida
2025-09-06 13:07 ` Greg Kroah-Hartman
2025-09-06 13:22 ` Danilo Krummrich
2025-08-25 20:32 ` [PATCH 0/2] rust: usb: add initial USB abstractions Greg Kroah-Hartman
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