From e05d9e5c8b754cc7d72acd896f5f7caf6b78a973 Mon Sep 17 00:00:00 2001
From: Tamir Duberstein <tamird@gmail.com>
Date: Mon, 22 Dec 2025 13:29:32 +0100
Subject: [PATCH] rust: cpufreq: replace `kernel::c_str!` with C-Strings

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@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
 drivers/cpufreq/rcpufreq_dt.rs | 5 ++---
 rust/kernel/cpufreq.rs         | 3 +--
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/cpufreq/rcpufreq_dt.rs b/drivers/cpufreq/rcpufreq_dt.rs
index 31e07f0279dbd..f17bf64c22e2c 100644
--- a/drivers/cpufreq/rcpufreq_dt.rs
+++ b/drivers/cpufreq/rcpufreq_dt.rs
@@ -3,7 +3,6 @@
 //! Rust based implementation of the cpufreq-dt driver.
 
 use kernel::{
-    c_str,
     clk::Clk,
     cpu, cpufreq,
     cpumask::CpumaskVar,
@@ -52,7 +51,7 @@ impl opp::ConfigOps for CPUFreqDTDriver {}
 
 #[vtable]
 impl cpufreq::Driver for CPUFreqDTDriver {
-    const NAME: &'static CStr = c_str!("cpufreq-dt");
+    const NAME: &'static CStr = c"cpufreq-dt";
     const FLAGS: u16 = cpufreq::flags::NEED_INITIAL_FREQ_CHECK | cpufreq::flags::IS_COOLING_DEV;
     const BOOST_ENABLED: bool = true;
 
@@ -197,7 +196,7 @@ kernel::of_device_table!(
     OF_TABLE,
     MODULE_OF_TABLE,
     <CPUFreqDTDriver as platform::Driver>::IdInfo,
-    [(of::DeviceId::new(c_str!("operating-points-v2")), ())]
+    [(of::DeviceId::new(c"operating-points-v2"), ())]
 );
 
 impl platform::Driver for CPUFreqDTDriver {
diff --git a/rust/kernel/cpufreq.rs b/rust/kernel/cpufreq.rs
index 0879a79485f8e..76faa1ac85017 100644
--- a/rust/kernel/cpufreq.rs
+++ b/rust/kernel/cpufreq.rs
@@ -840,7 +840,6 @@ pub trait Driver {
 /// ```
 /// use kernel::{
 ///     cpufreq,
-///     c_str,
 ///     device::{Core, Device},
 ///     macros::vtable,
 ///     of, platform,
@@ -853,7 +852,7 @@ pub trait Driver {
 ///
 /// #[vtable]
 /// impl cpufreq::Driver for SampleDriver {
-///     const NAME: &'static CStr = c_str!("cpufreq-sample");
+///     const NAME: &'static CStr = c"cpufreq-sample";
 ///     const FLAGS: u16 = cpufreq::flags::NEED_INITIAL_FREQ_CHECK | cpufreq::flags::IS_COOLING_DEV;
 ///     const BOOST_ENABLED: bool = true;
 ///
-- 
2.47.3