linux-kernel - [PATCH 3/3] samples: rust: platform: conditionally call Self::properties

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Message-ID: <20250616194439.68775-3-dakr@kernel.org>
Date: Mon, 16 Jun 2025 21:40:21 +0200
From: Danilo Krummrich <dakr@...nel.org>
To: igor.korotin.linux@...il.com,
	gregkh@...uxfoundation.org,
	rafael@...nel.org,
	ojeda@...nel.org,
	alex.gaynor@...il.com,
	boqun.feng@...il.com,
	gary@...yguo.net,
	bjorn3_gh@...tonmail.com,
	benno.lossin@...ton.me,
	a.hindborg@...nel.org,
	aliceryhl@...gle.com,
	tmgross@...ch.edu
Cc: rust-for-linux@...r.kernel.org,
	linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Danilo Krummrich <dakr@...nel.org>
Subject: [PATCH 3/3] samples: rust: platform: conditionally call Self::properties_parse()

Only call Self::properties_parse() when the device is compatible with
"test,rust-device".

Once we add ACPI support, we don't want the ACPI device to fail probing
in Self::properties_parse().

Signed-off-by: Danilo Krummrich <dakr@...nel.org>
---
 samples/rust/rust_driver_platform.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/samples/rust/rust_driver_platform.rs b/samples/rust/rust_driver_platform.rs
index 000bb915af60..036dd0b899b0 100644
--- a/samples/rust/rust_driver_platform.rs
+++ b/samples/rust/rust_driver_platform.rs
@@ -40,7 +40,12 @@ fn probe(
             dev_info!(dev, "Probed with info: '{}'.\n", info.0);
         }
 
-        Self::properties_parse(dev)?;
+        if dev
+            .fwnode()
+            .is_some_and(|node| node.is_compatible(c_str!("test,rust-device")))
+        {
+            Self::properties_parse(dev)?;
+        }
 
         let drvdata = KBox::new(Self { pdev: pdev.into() }, GFP_KERNEL)?;
 
-- 
2.49.0