[PATCH v4 7/9] cpufreq: qoriq: Use auto-registration of thermal cooling device

[Amit Kucheria]

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.kuche...@linaro.org>
---
 drivers/cpufreq/qoriq-cpufreq.c | 15 ++-------------
 1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/drivers/cpufreq/qoriq-cpufreq.c b/drivers/cpufreq/qoriq-cpufreq.c
index 3d773f64b4df..b206e6cb55f0 100644
--- a/drivers/cpufreq/qoriq-cpufreq.c
+++ b/drivers/cpufreq/qoriq-cpufreq.c
@@ -13,7 +13,6 @@
 #include <linux/clk.h>
 #include <linux/clk-provider.h>
 #include <linux/cpufreq.h>
-#include <linux/cpu_cooling.h>
 #include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
@@ -31,7 +30,6 @@
 struct cpu_data {
        struct clk **pclk;
        struct cpufreq_frequency_table *table;
-       struct thermal_cooling_device *cdev;
 };
 
 /*
@@ -239,7 +237,6 @@ static int qoriq_cpufreq_cpu_exit(struct cpufreq_policy 
*policy)
 {
        struct cpu_data *data = policy->driver_data;
 
-       cpufreq_cooling_unregister(data->cdev);
        kfree(data->pclk);
        kfree(data->table);
        kfree(data);
@@ -258,23 +255,15 @@ static int qoriq_cpufreq_target(struct cpufreq_policy 
*policy,
        return clk_set_parent(policy->clk, parent);
 }
 
-
-static void qoriq_cpufreq_ready(struct cpufreq_policy *policy)
-{
-       struct cpu_data *cpud = policy->driver_data;
-
-       cpud->cdev = of_cpufreq_cooling_register(policy);
-}
-
 static struct cpufreq_driver qoriq_cpufreq_driver = {
        .name           = "qoriq_cpufreq",
-       .flags          = CPUFREQ_CONST_LOOPS,
+       .flags          = CPUFREQ_CONST_LOOPS |
+                         CPUFREQ_AUTO_REGISTER_COOLING_DEV,
        .init           = qoriq_cpufreq_cpu_init,
        .exit           = qoriq_cpufreq_cpu_exit,
        .verify         = cpufreq_generic_frequency_table_verify,
        .target_index   = qoriq_cpufreq_target,
        .get            = cpufreq_generic_get,
-       .ready          = qoriq_cpufreq_ready,
        .attr           = cpufreq_generic_attr,
 };
 
-- 
2.17.1