| Message ID | f33f279a20f9125ffbec96bfbf1aa9153baebab8.1548654899.git.amit.kucheria@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | cpufreq: Add flag to auto-register as cooling device | expand |
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.kucheria@linaro.org> Reviewed-by: Daniel Lezcano <daniel.lezcano@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, > }; > >
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, };
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/qoriq-cpufreq.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-)