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// SPDX-License-Identifier: GPL-2.0
//! Rust Platform driver sample.
use kernel::{c_str, device::Core, of, platform, prelude::*, types::ARef};
struct SampleDriver {
pdev: ARef<platform::Device>,
}
struct Info(u32);
kernel::of_device_table!(
OF_TABLE,
MODULE_OF_TABLE,
<SampleDriver as platform::Driver>::IdInfo,
[(of::DeviceId::new(c_str!("test,rust-device")), Info(42))]
);
impl platform::Driver for SampleDriver {
type IdInfo = Info;
const OF_ID_TABLE: Option<of::IdTable<Self::IdInfo>> = Some(&OF_TABLE);
fn probe(
pdev: &platform::Device<Core>,
info: Option<&Self::IdInfo>,
) -> Result<Pin<KBox<Self>>> {
dev_dbg!(pdev.as_ref(), "Probe Rust Platform driver sample.\n");
if let Some(info) = info {
dev_info!(pdev.as_ref(), "Probed with info: '{}'.\n", info.0);
}
let drvdata = KBox::new(Self { pdev: pdev.into() }, GFP_KERNEL)?;
Ok(drvdata.into())
}
}
impl Drop for SampleDriver {
fn drop(&mut self) {
dev_dbg!(self.pdev.as_ref(), "Remove Rust Platform driver sample.\n");
}
}
kernel::module_platform_driver! {
type: SampleDriver,
name: "rust_driver_platform",
authors: ["Danilo Krummrich"],
description: "Rust Platform driver",
license: "GPL v2",
}
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