[PATCH] rust: clk: replace `kernel::c_str!` with C-Strings

From: Tamir Duberstein

Date: Mon Dec 22 2025 - 07:17:06 EST


From: Tamir Duberstein <tamird@xxxxxxxxx>

C-String literals were added in Rust 1.77. Replace instances of
`kernel::c_str!` with C-String literals where possible.

Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>
Reviewed-by: Benno Lossin <lossin@xxxxxxxxxx>
Acked-by: Stephen Boyd <sboyd@xxxxxxxxxx>
Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Signed-off-by: Tamir Duberstein <tamird@xxxxxxxxx>
---
rust/kernel/clk.rs | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/rust/kernel/clk.rs b/rust/kernel/clk.rs
index c1cfaeaa36a2..68a0c2f4e318 100644
--- a/rust/kernel/clk.rs
+++ b/rust/kernel/clk.rs
@@ -104,13 +104,12 @@ mod common_clk {
/// The following example demonstrates how to obtain and configure a clock for a device.
///
/// ```
- /// use kernel::c_str;
/// use kernel::clk::{Clk, Hertz};
/// use kernel::device::Device;
/// use kernel::error::Result;
///
/// fn configure_clk(dev: &Device) -> Result {
- /// let clk = Clk::get(dev, Some(c_str!("apb_clk")))?;
+ /// let clk = Clk::get(dev, Some(c"apb_clk"))?;
///
/// clk.prepare_enable()?;
///
@@ -272,13 +271,12 @@ fn drop(&mut self) {
/// device. The code functions correctly whether or not the clock is available.
///
/// ```
- /// use kernel::c_str;
/// use kernel::clk::{OptionalClk, Hertz};
/// use kernel::device::Device;
/// use kernel::error::Result;
///
/// fn configure_clk(dev: &Device) -> Result {
- /// let clk = OptionalClk::get(dev, Some(c_str!("apb_clk")))?;
+ /// let clk = OptionalClk::get(dev, Some(c"apb_clk"))?;
///
/// clk.prepare_enable()?;
///

---
base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
change-id: 20251222-cstr-clk-122a1428b919

Best regards,
--
Tamir Duberstein <tamird@xxxxxxxxx>