linux-kernel - [PATCH v2 4/8] rust: samples: dma: remove redundant `.as_ref()` for `dev

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Message-ID: <20260123175854.176735-4-gary@kernel.org>
Date: Fri, 23 Jan 2026 17:58:41 +0000
From: Gary Guo <gary@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Danilo Krummrich <dakr@...nel.org>,
	Miguel Ojeda <ojeda@...nel.org>,
	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>,
	Abdiel Janulgue <abdiel.janulgue@...il.com>,
	Daniel Almeida <daniel.almeida@...labora.com>,
	Robin Murphy <robin.murphy@....com>
Cc: rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 4/8] rust: samples: dma: remove redundant `.as_ref()` for `dev_*` print

From: Gary Guo <gary@...yguo.net>

This is now handled by the macro itself.

Signed-off-by: Gary Guo <gary@...yguo.net>
---
 samples/rust/rust_dma.rs | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/samples/rust/rust_dma.rs b/samples/rust/rust_dma.rs
index f53bce2a73e3..94effeb4eca4 100644
--- a/samples/rust/rust_dma.rs
+++ b/samples/rust/rust_dma.rs
@@ -57,7 +57,7 @@ impl pci::Driver for DmaSampleDriver {
 
     fn probe(pdev: &pci::Device<Core>, _info: &Self::IdInfo) -> impl PinInit<Self, Error> {
         pin_init::pin_init_scope(move || {
-            dev_info!(pdev.as_ref(), "Probe DMA test driver.\n");
+            dev_info!(pdev, "Probe DMA test driver.\n");
 
             let mask = DmaMask::new::<64>();
 
@@ -88,9 +88,7 @@ fn probe(pdev: &pci::Device<Core>, _info: &Self::IdInfo) -> impl PinInit<Self, E
 #[pinned_drop]
 impl PinnedDrop for DmaSampleDriver {
     fn drop(self: Pin<&mut Self>) {
-        let dev = self.pdev.as_ref();
-
-        dev_info!(dev, "Unload DMA test driver.\n");
+        dev_info!(self.pdev, "Unload DMA test driver.\n");
 
         for (i, value) in TEST_VALUES.into_iter().enumerate() {
             let val0 = kernel::dma_read!(self.ca[i].h);
@@ -107,7 +105,7 @@ fn drop(self: Pin<&mut Self>) {
         }
 
         for (i, entry) in self.sgt.iter().enumerate() {
-            dev_info!(dev, "Entry[{}]: DMA address: {:#x}", i, entry.dma_address());
+            dev_info!(self.pdev, "Entry[{}]: DMA address: {:#x}", i, entry.dma_address());
         }
     }
 }
-- 
2.51.2