Files
linux-stable-mirror/samples/rust/rust_driver_i2c.rs
Tamir Duberstein 32d61c516f samples: rust: i2c: replace kernel::c_str! with C-Strings
C-String literals were added in Rust 1.77. Replace instances of
`kernel::c_str!` with C-String literals where possible.

Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Acked-by: Igor Korotin <igor.korotin.linux@gmail.com>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Link: https://patch.msgid.link/20251222-cstr-i2c-v1-2-df1c258d4615@gmail.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2026-01-19 01:13:23 +01:00

74 lines
1.7 KiB
Rust

// SPDX-License-Identifier: GPL-2.0
//! Rust I2C driver sample.
use kernel::{
acpi,
device::Core,
i2c,
of,
prelude::*, //
};
struct SampleDriver;
kernel::acpi_device_table! {
ACPI_TABLE,
MODULE_ACPI_TABLE,
<SampleDriver as i2c::Driver>::IdInfo,
[(acpi::DeviceId::new(c"LNUXBEEF"), 0)]
}
kernel::i2c_device_table! {
I2C_TABLE,
MODULE_I2C_TABLE,
<SampleDriver as i2c::Driver>::IdInfo,
[(i2c::DeviceId::new(c"rust_driver_i2c"), 0)]
}
kernel::of_device_table! {
OF_TABLE,
MODULE_OF_TABLE,
<SampleDriver as i2c::Driver>::IdInfo,
[(of::DeviceId::new(c"test,rust_driver_i2c"), 0)]
}
impl i2c::Driver for SampleDriver {
type IdInfo = u32;
const ACPI_ID_TABLE: Option<acpi::IdTable<Self::IdInfo>> = Some(&ACPI_TABLE);
const I2C_ID_TABLE: Option<i2c::IdTable<Self::IdInfo>> = Some(&I2C_TABLE);
const OF_ID_TABLE: Option<of::IdTable<Self::IdInfo>> = Some(&OF_TABLE);
fn probe(
idev: &i2c::I2cClient<Core>,
info: Option<&Self::IdInfo>,
) -> impl PinInit<Self, Error> {
let dev = idev.as_ref();
dev_info!(dev, "Probe Rust I2C driver sample.\n");
if let Some(info) = info {
dev_info!(dev, "Probed with info: '{}'.\n", info);
}
Ok(Self)
}
fn shutdown(idev: &i2c::I2cClient<Core>, _this: Pin<&Self>) {
dev_info!(idev.as_ref(), "Shutdown Rust I2C driver sample.\n");
}
fn unbind(idev: &i2c::I2cClient<Core>, _this: Pin<&Self>) {
dev_info!(idev.as_ref(), "Unbind Rust I2C driver sample.\n");
}
}
kernel::module_i2c_driver! {
type: SampleDriver,
name: "rust_driver_i2c",
authors: ["Igor Korotin"],
description: "Rust I2C driver",
license: "GPL v2",
}