[PATCH V4 4/4] cpufreq: Remove stop_cpu() callback

From: Viresh Kumar
Date: Wed Jun 23 2021 - 00:25:14 EST


Now that all users of stop_cpu() are migrated to use other callbacks,
lets remove its support from the core.

Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
---
Documentation/cpu-freq/cpu-drivers.rst | 3 ---
Documentation/translations/zh_CN/cpu-freq/cpu-drivers.rst | 3 ---
drivers/cpufreq/cpufreq.c | 3 ---
include/linux/cpufreq.h | 1 -
4 files changed, 10 deletions(-)

diff --git a/Documentation/cpu-freq/cpu-drivers.rst b/Documentation/cpu-freq/cpu-drivers.rst
index a697278ce190..74fac797c396 100644
--- a/Documentation/cpu-freq/cpu-drivers.rst
+++ b/Documentation/cpu-freq/cpu-drivers.rst
@@ -71,9 +71,6 @@ And optionally
.exit - A pointer to a per-policy cleanup function called during
CPU_POST_DEAD phase of cpu hotplug process.

- .stop_cpu - A pointer to a per-policy stop function called during
- CPU_DOWN_PREPARE phase of cpu hotplug process.
-
.suspend - A pointer to a per-policy suspend function which is called
with interrupts disabled and _after_ the governor is stopped for the
policy.
diff --git a/Documentation/translations/zh_CN/cpu-freq/cpu-drivers.rst b/Documentation/translations/zh_CN/cpu-freq/cpu-drivers.rst
index 0ca2cb646666..9570e9c9e939 100644
--- a/Documentation/translations/zh_CN/cpu-freq/cpu-drivers.rst
+++ b/Documentation/translations/zh_CN/cpu-freq/cpu-drivers.rst
@@ -76,9 +76,6 @@ 并且可选择
.exit - 一个指向per-policy清理函数的指针,该函数在cpu热插拔过程的CPU_POST_DEAD
阶段被调用。

- .stop_cpu - 一个指向per-policy停止函数的指针,该函数在cpu热插拔过程的CPU_DOWN_PREPARE
- 阶段被调用。
-
.suspend - 一个指向per-policy暂停函数的指针,该函数在关中断且在该策略的调节器停止
后被调用。

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index cbab834c37a0..5e4b5316d254 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1606,9 +1606,6 @@ static int cpufreq_offline(unsigned int cpu)
policy->cdev = NULL;
}

- if (cpufreq_driver->stop_cpu)
- cpufreq_driver->stop_cpu(policy);
-
if (has_target())
cpufreq_exit_governor(policy);

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 353969c7acd3..2e2267a36502 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -371,7 +371,6 @@ struct cpufreq_driver {
int (*online)(struct cpufreq_policy *policy);
int (*offline)(struct cpufreq_policy *policy);
int (*exit)(struct cpufreq_policy *policy);
- void (*stop_cpu)(struct cpufreq_policy *policy);
int (*suspend)(struct cpufreq_policy *policy);
int (*resume)(struct cpufreq_policy *policy);

--
2.31.1.272.g89b43f80a514