[PATCH v2 06/19] rust: cpufreq: replace `kernel::c_str!` with C-Strings

Tamir Duberstein
2025-09-25T13:54:53Z

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
---
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 7e1fbf9a091f..1120a8f5edd7 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,
@@ -56,7 +55,7 @@ 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;

@@ -201,7 +200,7 @@ fn register_em(policy: &mut cpufreq::Policy) {
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 86c02e81729e..43ecdc56cb59 100644
--- a/rust/kernel/cpufreq.rs
+++ b/rust/kernel/cpufreq.rs
@@ -840,7 +840,6 @@ fn register_em(_policy: &mut Policy) {
/// ```
/// use kernel::{
/// cpufreq,
-/// c_str,
/// device::{Core, Device},
/// macros::vtable,
/// of, platform,
@@ -853,7 +852,7 @@ fn register_em(_policy: &mut Policy) {
///
/// #[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;
///

--
2.51.0