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Subject[PATCH v2 5/9] cpufreq: cpufreq-dt: Use auto-registration of thermal cooling device
Date
Use the CPUFREQ_AUTO_REGISTER_COOLING_DEV flag to allow cpufreq core to
automatically register as a thermal cooling device.

This allows removal of boiler plate code from the driver.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
---
drivers/cpufreq/cpufreq-dt.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index e58bfcb1169e..2a4c4ea7980b 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -13,7 +13,6 @@

#include <linux/clk.h>
#include <linux/cpu.h>
-#include <linux/cpu_cooling.h>
#include <linux/cpufreq.h>
#include <linux/cpumask.h>
#include <linux/err.h>
@@ -30,7 +29,6 @@
struct private_data {
struct opp_table *opp_table;
struct device *cpu_dev;
- struct thermal_cooling_device *cdev;
const char *reg_name;
bool have_static_opps;
};
@@ -301,7 +299,6 @@ static int cpufreq_exit(struct cpufreq_policy *policy)
{
struct private_data *priv = policy->driver_data;

- cpufreq_cooling_unregister(priv->cdev);
dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table);
if (priv->have_static_opps)
dev_pm_opp_of_cpumask_remove_table(policy->related_cpus);
@@ -314,21 +311,14 @@ static int cpufreq_exit(struct cpufreq_policy *policy)
return 0;
}

-static void cpufreq_ready(struct cpufreq_policy *policy)
-{
- struct private_data *priv = policy->driver_data;
-
- priv->cdev = of_cpufreq_cooling_register(policy);
-}
-
static struct cpufreq_driver dt_cpufreq_driver = {
- .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
+ .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK |
+ CPUFREQ_AUTO_REGISTER_COOLING_DEV,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = set_target,
.get = cpufreq_generic_get,
.init = cpufreq_init,
.exit = cpufreq_exit,
- .ready = cpufreq_ready,
.name = "cpufreq-dt",
.attr = cpufreq_dt_attr,
.suspend = cpufreq_generic_suspend,
--
2.17.1
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