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Thu, 25 Sep 2025 06:54:51 -0700 (PDT) From: Tamir Duberstein Date: Thu, 25 Sep 2025 09:53:54 -0400 Subject: [PATCH v2 06/19] rust: cpufreq: replace `kernel::c_str!` with C-Strings Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250925-core-cstr-cstrings-v2-6-78e0aaace1cd@gmail.com> References: <20250925-core-cstr-cstrings-v2-0-78e0aaace1cd@gmail.com> In-Reply-To: <20250925-core-cstr-cstrings-v2-0-78e0aaace1cd@gmail.com> To: "Rafael J. Wysocki" , Viresh Kumar , Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , FUJITA Tomonori , Andrew Lunn , Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Michael Turquette , Stephen Boyd , Breno Leitao , Greg Kroah-Hartman , Luis Chamberlain , Russ Weight , Dave Ertman , Ira Weiny , Leon Romanovsky , Bjorn Helgaas , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Arnd Bergmann , Brendan Higgins , David Gow , Rae Moar , Jens Axboe , Alexandre Courbot , Alexander Viro , Christian Brauner , Jan Kara , Liam Girdwood , Mark Brown Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, netdev@vger.kernel.org, linux-clk@vger.kernel.org, linux-pci@vger.kernel.org, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, Tamir Duberstein X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openssh-sha256; t=1758808437; l=2379; i=tamird@gmail.com; h=from:subject:message-id; bh=Min9lnjKt/hlKTHKx8DHe+UjEz1oTNKYHDrlD//vrww=; b=U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgtYz36g7iDMSkY5K7Ab51ksGX7hJgs MRt+XVZTrIzMVIAAAAGcGF0YXR0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5AAAA QO2LsZad4F+RVkixHdOcMhyCY96m5gE5v9iNO38GMhdV/J/W7PblbDJmxH/UCygnEMUNp04FBPV HU86loJ89jQs= X-Developer-Key: i=tamird@gmail.com; a=openssh; fpr=SHA256:264rPmnnrb+ERkS7DDS3tuwqcJss/zevJRzoylqMsbc 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 Reviewed-by: Alice Ryhl Reviewed-by: Benno Lossin Acked-by: Viresh Kumar Signed-off-by: Tamir Duberstein --- 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, ::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