[PATCH 06/17] rust: cpufreq: replace `kernel::c_str!` with C-Strings
From: Tamir Duberstein <hidden>
Date: 2025-07-10 15:31:47
Also in:
dri-devel, linux-block, linux-clk, linux-kselftest, linux-pci, linux-pm, lkml, nouveau, rust-for-linux
Subsystem:
cpu frequency scaling framework, rust, the rest · Maintainers:
"Rafael J. Wysocki", Viresh Kumar, Miguel Ojeda, Linus Torvalds
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> Signed-off-by: Tamir Duberstein <redacted> --- 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 4608d2286fa1..0b4feb27b4f4 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,
@@ -55,7 +54,7 @@ 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;
@@ -200,7 +199,7 @@ 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 71d601f7c261..0f316dfeb5dd 100644
--- a/rust/kernel/cpufreq.rs
+++ b/rust/kernel/cpufreq.rs@@ -841,7 +841,6 @@ fn register_em(_policy: &mut Policy) { /// ``` /// use kernel::{ /// cpufreq, -/// c_str, /// device::{Core, Device}, /// macros::vtable, /// of, platform,
@@ -854,7 +853,7 @@ 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; ///
--
2.50.0