linux-kernel - [PATCH V6 02/15] cpufreq: Add cpufreq_table

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Message-Id: <867ba9728179ba21ff8f8aca97d416b72ccd63d9.1736248242.git.viresh.kumar@linaro.org>
Date: Tue,  7 Jan 2025 16:51:35 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: "Rafael J. Wysocki" <rafael@...nel.org>,
	Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
	Danilo Krummrich <dakr@...hat.com>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>,
	Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Trevor Gross <tmgross@...ch.edu>
Cc: linux-pm@...r.kernel.org,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Stephen Boyd <sboyd@...nel.org>,
	Nishanth Menon <nm@...com>,
	rust-for-linux@...r.kernel.org,
	Manos Pitsidianakis <manos.pitsidianakis@...aro.org>,
	Erik Schilling <erik.schilling@...aro.org>,
	Alex Bennée <alex.bennee@...aro.org>,
	Joakim Bech <joakim.bech@...aro.org>,
	Rob Herring <robh@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH V6 02/15] cpufreq: Add cpufreq_table_len()

Add a function to calculate number of entries in the cpufreq table. This
will be used by the Rust implementation.

Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 include/linux/cpufreq.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 7fe0981a7e46..6b882ff4dc24 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -783,6 +783,17 @@ bool cpufreq_boost_enabled(void);
 int cpufreq_enable_boost_support(void);
 bool policy_has_boost_freq(struct cpufreq_policy *policy);
 
+static inline unsigned int cpufreq_table_len(struct cpufreq_frequency_table *freq_table)
+{
+	struct cpufreq_frequency_table *pos;
+	unsigned int count = 0;
+
+	cpufreq_for_each_entry(pos, freq_table)
+		count++;
+
+	return count;
+}
+
 /* Find lowest freq at or above target in a table in ascending order */
 static inline int cpufreq_table_find_index_al(struct cpufreq_policy *policy,
 					      unsigned int target_freq,
-- 
2.31.1.272.g89b43f80a514