From: Greg KH <gregkh@linuxfoundation.org>
To: Danilo Krummrich <dakr@kernel.org>
Cc: bhelgaas@google.com, rafael@kernel.org, ojeda@kernel.org,
alex.gaynor@gmail.com, boqun.feng@gmail.com, gary@garyguo.net,
bjorn3_gh@protonmail.com, benno.lossin@proton.me,
a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu,
linux-pci@vger.kernel.org, rust-for-linux@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 1/3] rust: device: implement bus_type_raw()
Date: Fri, 21 Mar 2025 20:10:55 -0700 [thread overview]
Message-ID: <2025032146-cubicle-fringe-8078@gregkh> (raw)
In-Reply-To: <20250321214826.140946-2-dakr@kernel.org>
On Fri, Mar 21, 2025 at 10:47:53PM +0100, Danilo Krummrich wrote:
> Implement bus_type_raw(), which returns a raw pointer to the device'
> struct bus_type.
>
> This is useful for bus devices, to implement the following trait.
>
> impl TryFrom<&Device> for &pci::Device
>
> With this a caller can try to get the bus specific device from a generic
> device in a safe way. try_from() will only succeed if the generic
> device' bus type pointer matches the pointer of the bus' type.
>
> Reviewed-by: Alice Ryhl <aliceryhl@google.com>
> Reviewed-by: Benno Lossin <benno.lossin@proton.me>
> Signed-off-by: Danilo Krummrich <dakr@kernel.org>
> ---
> rust/kernel/device.rs | 10 ++++++++++
> 1 file changed, 10 insertions(+)
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
next prev parent reply other threads:[~2025-03-22 3:12 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-21 21:47 [PATCH v4 0/3] Implement TryFrom<&Device> for bus specific devices Danilo Krummrich
2025-03-21 21:47 ` [PATCH v4 1/3] rust: device: implement bus_type_raw() Danilo Krummrich
2025-03-22 3:10 ` Greg KH [this message]
2025-03-21 21:47 ` [PATCH v4 2/3] rust: pci: impl TryFrom<&Device> for &pci::Device Danilo Krummrich
2025-03-22 3:25 ` Greg KH
2025-03-22 10:10 ` Danilo Krummrich
2025-03-23 22:10 ` Danilo Krummrich
2025-03-24 13:54 ` Greg KH
2025-03-24 17:05 ` Danilo Krummrich
2025-03-24 16:39 ` Benno Lossin
2025-03-24 16:49 ` Danilo Krummrich
2025-03-24 17:36 ` Benno Lossin
2025-03-24 18:13 ` Danilo Krummrich
2025-03-24 18:32 ` Benno Lossin
2025-04-01 13:51 ` Danilo Krummrich
2025-04-02 0:05 ` Benno Lossin
2025-04-02 9:06 ` Danilo Krummrich
2025-03-21 21:47 ` [PATCH v4 3/3] rust: platform: impl TryFrom<&Device> for &platform::Device Danilo Krummrich
2025-03-22 3:25 ` Greg KH
2025-04-19 12:57 ` [PATCH v4 0/3] Implement TryFrom<&Device> for bus specific devices Danilo Krummrich
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