linux-kernel - [PATCH v3 1/2] cpufreq: Fix a comment in cpufreq_policy

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Message-ID: <20211201074021.18097-2-tangyizhou@huawei.com>
Date:   Wed, 1 Dec 2021 15:40:20 +0800
From:   Tang Yizhou <tangyizhou@...wei.com>
To:     <viresh.kumar@...aro.org>, <rafael.j.wysocki@...el.com>,
        <rafael@...nel.org>
CC:     <linux-pm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <zhengbin13@...wei.com>, Tang Yizhou <tangyizhou@...wei.com>
Subject: [PATCH v3 1/2] cpufreq: Fix a comment in cpufreq_policy_free

Make the comment of blocking_notifier_call_chain() easier to
understand.

Signed-off-by: Tang Yizhou <tangyizhou@...wei.com>
---
 drivers/cpufreq/cpufreq.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index e338d2f010fe..db0b4b4258d5 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1296,8 +1296,9 @@ static void cpufreq_policy_free(struct cpufreq_policy *policy)
 
 	if (policy->max_freq_req) {
 		/*
-		 * CPUFREQ_CREATE_POLICY notification is sent only after
-		 * successfully adding max_freq_req request.
+		 * Remove max_freq_req after sending CPUFREQ_REMOVE_POLICY
+		 * notification, since CPUFREQ_CREATE_POLICY notification was
+		 * sent after adding max_freq_req earlier.
 		 */
 		blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
 					     CPUFREQ_REMOVE_POLICY, policy);
-- 
2.17.1