On 28/01/2019 07:41, Amit Kucheria wrote:
> 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>
Reviewed-by: Daniel Lezcano <daniel.lezc...@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,
>
--
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