linux-kernel - [PATCH v3 2/3] tyr: remove impl Send/Sync for TyrData

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Message-ID: <20251218-clk-send-sync-v3-2-e48b2e2f1eac@google.com>
Date: Thu, 18 Dec 2025 13:27:41 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Drew Fustini <fustini@...nel.org>, Guo Ren <guoren@...nel.org>, Fu Wei <wefu@...hat.com>, 
	"Uwe Kleine-König" <ukleinek@...nel.org>, Michal Wilczynski <m.wilczynski@...sung.com>
Cc: Viresh Kumar <viresh.kumar@...aro.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>, Trevor Gross <tmgross@...ch.edu>, 
	Danilo Krummrich <dakr@...nel.org>, Daniel Almeida <daniel.almeida@...labora.com>, 
	linux-clk@...r.kernel.org, rust-for-linux@...r.kernel.org, 
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
	linux-riscv@...ts.infradead.org, linux-pwm@...r.kernel.org, 
	Alice Ryhl <aliceryhl@...gle.com>
Subject: [PATCH v3 2/3] tyr: remove impl Send/Sync for TyrData

Now that clk implements Send and Sync, we no longer need to manually
implement these traits for TyrData. Thus remove the implementations.

The comment also mentions the regulator. However, the regulator had the
traits added in commit 9a200cbdb543 ("rust: regulator: implement Send
and Sync for Regulator<T>"), which is already in mainline.

Reviewed-by: Danilo Krummrich <dakr@...nel.org>
Reviewed-by: Boqun Feng <boqun.feng@...il.com>
Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
---
 drivers/gpu/drm/tyr/driver.rs | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/drivers/gpu/drm/tyr/driver.rs b/drivers/gpu/drm/tyr/driver.rs
index 0389c558c0367522471ea78fcf72a6b58c4a3650..09711fb7fe0b1c83b72bffba06f5a76c53244f4d 100644
--- a/drivers/gpu/drm/tyr/driver.rs
+++ b/drivers/gpu/drm/tyr/driver.rs
@@ -53,18 +53,6 @@ pub(crate) struct TyrData {
     pub(crate) gpu_info: GpuInfo,
 }
 
-// Both `Clk` and `Regulator` do not implement `Send` or `Sync`, but they
-// should. There are patches on the mailing list to address this, but they have
-// not landed yet.
-//
-// For now, add this workaround so that this patch compiles with the promise
-// that it will be removed in a future patch.
-//
-// SAFETY: This will be removed in a future patch.
-unsafe impl Send for TyrData {}
-// SAFETY: This will be removed in a future patch.
-unsafe impl Sync for TyrData {}
-
 fn issue_soft_reset(dev: &Device<Bound>, iomem: &Devres<IoMem>) -> Result {
     regs::GPU_CMD.write(dev, iomem, regs::GPU_CMD_SOFT_RESET)?;
 

-- 
2.52.0.351.gbe84eed79e-goog