From nobody Sun Feb 8 02:21:34 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 02E946BFCE; Mon, 22 Dec 2025 12:29:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766406579; cv=none; b=A6KNOYZ++efDqwMbblfkeNuXwLPtviXCUjxHtI4Wj8CjgaUpnjHfiiCwPGIF+4lT3CiDkqGj3H5jAqBe3roi3r1KAKM49EA30rsWqmZwlPwqSGItI3uwZdXvzTzshM2/eBfxpMZ8hJ0795ghkVMLQcmOG29l1D3vY0Ge4lkPKFg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766406579; c=relaxed/simple; bh=2G0/TbpRpEY08Dw+lJgLBhbGwn9HvxIvXWSw1WPXQow=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=tflV2gINQJSuxd1uiaKPOBJ1kQO5m5dmYVrWAtYnfasCeY/tQ5NVAIgjnJKVPhZ1nCICJ3+GJlauX2bl/jo05sxPB0jcZlUGkv1RPSMtMFqt2LGn5DzUn83ZAc6ktc6CEceb7P2IU8MF1FzIcHsmTX5TuHNgESwpyT1MhEABVQA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iQgCSt2n; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="iQgCSt2n" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D3FEEC4CEF1; Mon, 22 Dec 2025 12:29:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766406578; bh=2G0/TbpRpEY08Dw+lJgLBhbGwn9HvxIvXWSw1WPXQow=; h=From:Date:Subject:To:Cc:From; b=iQgCSt2nDpREmaxV5n847O4OFRkZ2VIljxcOMpy2J19Fyyuc6lFbJ1MaZXi7gpevy QdZ+KY3Zyq8J14f7Sr9j+MnwKNHZ0t3Mmi9BrVqcIg9wJw93fMjCihRWMQ/u9wCxWW ZLDpLe1/WjtvyKpp9Umo3BNIdtSxl27eeWCZ9feRxPnvotAgJlk194/W682tUcKPAV bzeWPfiZw7+hEuwcX4hok865IZyxt2laiYPzCKDuGUXGKPZNLDxvRucx4jkw2wN5on h1EK670TjFAnsYqplDZsYlOWde5otlcvyagd0fukXXUOfO4V9+KTARPCHCvUeSkf1z FeI1W3CExmc1g== From: Tamir Duberstein Date: Mon, 22 Dec 2025 13:29:32 +0100 Subject: [PATCH] rust: cpufreq: replace `kernel::c_str!` with C-Strings Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251222-cstr-cpufreq-v1-1-2d99dfc88cbb@gmail.com> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/yXMwQ5EQAyA4VeRnncSU0HiVTZ7oDrUwdIiEvHuB sfv8P8HGKuwQZUcoLyJyX+M8J8EqK/Hjp200YAp5h4RHdmijqY1KM+uxJzarKA6DR5iMikH2Z/ d9/fa1mZgWu4HnOcF8ZpLNXAAAAA= X-Change-ID: 20251222-cstr-cpufreq-725cd36ca0f1 To: "Rafael J. Wysocki" , Viresh Kumar , Miguel Ojeda , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, Tamir Duberstein , Greg Kroah-Hartman X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openssh-sha256; t=1766406574; l=2533; i=tamird@gmail.com; h=from:subject:message-id; bh=URejYURVdgM8xsn8wNpsqiJMx/VUH8dxw+RDn7bQgdw=; b=U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgtYz36g7iDMSkY5K7Ab51ksGX7hJgs MRt+XVZTrIzMVIAAAAGcGF0YXR0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5AAAA QEyO4qNIUfiiQW9I5t4F7WkcUXH4wt9Bo9uqWZs3y+Dq3yJSj18scNHUGrfLjsEdKwgn1PYlxDR irs+xzDBMtQE= X-Developer-Key: i=tamird@gmail.com; a=openssh; fpr=SHA256:264rPmnnrb+ERkS7DDS3tuwqcJss/zevJRzoylqMsbc From: Tamir Duberstein 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 Reviewed-by: Daniel Almeida --- 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 31e07f0279db..f17bf64c22e2 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. =20 use kernel::{ - c_str, clk::Clk, cpu, cpufreq, cpumask::CpumaskVar, @@ -52,7 +51,7 @@ impl opp::ConfigOps for CPUFreqDTDriver {} =20 #[vtable] impl cpufreq::Driver for CPUFreqDTDriver { - const NAME: &'static CStr =3D c_str!("cpufreq-dt"); + const NAME: &'static CStr =3D c"cpufreq-dt"; const FLAGS: u16 =3D cpufreq::flags::NEED_INITIAL_FREQ_CHECK | cpufreq= ::flags::IS_COOLING_DEV; const BOOST_ENABLED: bool =3D true; =20 @@ -197,7 +196,7 @@ 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"), ())] ); =20 impl platform::Driver for CPUFreqDTDriver { diff --git a/rust/kernel/cpufreq.rs b/rust/kernel/cpufreq.rs index f968fbd22890..8be634eaabe9 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 =3D c_str!("cpufreq-sample"); +/// const NAME: &'static CStr =3D c"cpufreq-sample"; /// const FLAGS: u16 =3D cpufreq::flags::NEED_INITIAL_FREQ_CHECK | cpu= freq::flags::IS_COOLING_DEV; /// const BOOST_ENABLED: bool =3D true; /// --- base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8 change-id: 20251222-cstr-cpufreq-725cd36ca0f1 Best regards, -- =20 Tamir Duberstein