linux-kernel - [PATCH v1 4/4] samples: rust: show ACPI ID-table in I2C sample driver

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Message-ID: <20250626175532.909732-1-igor.korotin.linux@gmail.com>
Date: Thu, 26 Jun 2025 18:55:32 +0100
From: Igor Korotin <igor.korotin.linux@...il.com>
To: Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc: Boqun Feng <boqun.feng@...il.com>,
	Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <lossin@...nel.org>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Asahi Lina <lina+kernel@...hilina.net>,
	Wedson Almeida Filho <wedsonaf@...il.com>,
	Alex Hung <alex.hung@....com>,
	Tamir Duberstein <tamird@...il.com>,
	Xiangfei Ding <dingxiangfei2009@...il.com>,
	linux-kernel@...r.kernel.org,
	rust-for-linux@...r.kernel.org,
	linux-i2c@...r.kernel.org
Subject: [PATCH v1 4/4] samples: rust: show ACPI ID-table in I2C sample driver

Add an `acpi_device_table!` example and set
`SampleDriver::ACPI_ID_TABLE` to demonstrate ACPI usage.

Depends-on: <20250620152425.285683-1-igor.korotin.linux@...il.com>
Signed-off-by: Igor Korotin <igor.korotin.linux@...il.com>
---
 samples/rust/rust_driver_i2c.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/samples/rust/rust_driver_i2c.rs b/samples/rust/rust_driver_i2c.rs
index 7c5def930fe0..98bda18fd098 100644
--- a/samples/rust/rust_driver_i2c.rs
+++ b/samples/rust/rust_driver_i2c.rs
@@ -2,12 +2,19 @@
 
 //! Rust I2C driver sample.
 
-use kernel::{c_str, device::Core, i2c, of, prelude::*, types::ARef};
+use kernel::{acpi, c_str, device::Core, i2c, of, prelude::*, types::ARef};
 
 struct SampleDriver {
     pdev: ARef<i2c::Device>,
 }
 
+kernel::acpi_device_table! {
+    ACPI_TABLE,
+    MODULE_ACPI_TABLE,
+    <SampleDriver as i2c::Driver>::IdInfo,
+    [(acpi::DeviceId::new(b"TST0001"), 0)]
+}
+
 kernel::i2c_device_table! {
     I2C_TABLE,
     MODULE_I2C_TABLE,
@@ -25,6 +32,7 @@ struct SampleDriver {
 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);
 
-- 
2.43.0