Files
linux/samples/rust/rust_driver_i2c.rs
Gary Guo 0deeb4222d rust: driver: remove $module_table_name from module_device_table
Wrap the generated code in a `const _: ()` block to avoid symbol conflict.
This removes the need of creating a new identifier.

Signed-off-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/20260629-id_info-v2-7-56fccbe9c5ef@garyguo.net
[ Consider the serdev code merged in the meantime. - Danilo ]
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
2026-07-30 22:50:15 +02:00

72 lines
1.8 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,
<SampleDriver as i2c::Driver>::IdInfo,
[(acpi::DeviceId::new(c"LNUXBEEF"), 0)]
}
kernel::i2c_device_table! {
I2C_TABLE,
<SampleDriver as i2c::Driver>::IdInfo,
[(i2c::DeviceId::new(c"rust_driver_i2c"), 0)]
}
kernel::of_device_table! {
OF_TABLE,
<SampleDriver as i2c::Driver>::IdInfo,
[(of::DeviceId::new(c"test,rust_driver_i2c"), 0)]
}
impl i2c::Driver for SampleDriver {
type IdInfo = u32;
type Data<'bound> = Self;
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<'bound>(
idev: &'bound i2c::I2cClient<Core<'_>>,
info: Option<&'bound Self::IdInfo>,
) -> impl PinInit<Self, Error> + 'bound {
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<'bound>(idev: &'bound i2c::I2cClient<Core<'_>>, _this: Pin<&Self>) {
dev_info!(idev.as_ref(), "Shutdown Rust I2C driver sample.\n");
}
fn unbind<'bound>(idev: &'bound 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",
}