| Message ID | f4d658bcbc428f6fb9bd70bcd9c7a0b00a20cd08.1548654899.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/mediatek-cpufreq.c | 14 ++------------ > 1 file changed, 2 insertions(+), 12 deletions(-) > > diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c > index eb8920d39818..9a937f4c63e7 100644 > --- a/drivers/cpufreq/mediatek-cpufreq.c > +++ b/drivers/cpufreq/mediatek-cpufreq.c > @@ -14,7 +14,6 @@ > > #include <linux/clk.h> > #include <linux/cpu.h> > -#include <linux/cpu_cooling.h> > #include <linux/cpufreq.h> > #include <linux/cpumask.h> > #include <linux/module.h> > @@ -48,7 +47,6 @@ struct mtk_cpu_dvfs_info { > struct regulator *sram_reg; > struct clk *cpu_clk; > struct clk *inter_clk; > - struct thermal_cooling_device *cdev; > struct list_head list_head; > int intermediate_voltage; > bool need_voltage_tracking; > @@ -307,13 +305,6 @@ static int mtk_cpufreq_set_target(struct cpufreq_policy *policy, > > #define DYNAMIC_POWER "dynamic-power-coefficient" > > -static void mtk_cpufreq_ready(struct cpufreq_policy *policy) > -{ > - struct mtk_cpu_dvfs_info *info = policy->driver_data; > - > - info->cdev = of_cpufreq_cooling_register(policy); > -} > - > static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu) > { > struct device *cpu_dev; > @@ -472,7 +463,6 @@ static int mtk_cpufreq_exit(struct cpufreq_policy *policy) > { > struct mtk_cpu_dvfs_info *info = policy->driver_data; > > - cpufreq_cooling_unregister(info->cdev); > dev_pm_opp_free_cpufreq_table(info->cpu_dev, &policy->freq_table); > > return 0; > @@ -480,13 +470,13 @@ static int mtk_cpufreq_exit(struct cpufreq_policy *policy) > > static struct cpufreq_driver mtk_cpufreq_driver = { > .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK | > - CPUFREQ_HAVE_GOVERNOR_PER_POLICY, > + CPUFREQ_HAVE_GOVERNOR_PER_POLICY | > + CPUFREQ_AUTO_REGISTER_COOLING_DEV, > .verify = cpufreq_generic_frequency_table_verify, > .target_index = mtk_cpufreq_set_target, > .get = cpufreq_generic_get, > .init = mtk_cpufreq_init, > .exit = mtk_cpufreq_exit, > - .ready = mtk_cpufreq_ready, > .name = "mtk-cpufreq", > .attr = cpufreq_generic_attr, > }; >
diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c index eb8920d39818..9a937f4c63e7 100644 --- a/drivers/cpufreq/mediatek-cpufreq.c +++ b/drivers/cpufreq/mediatek-cpufreq.c @@ -14,7 +14,6 @@ #include <linux/clk.h> #include <linux/cpu.h> -#include <linux/cpu_cooling.h> #include <linux/cpufreq.h> #include <linux/cpumask.h> #include <linux/module.h> @@ -48,7 +47,6 @@ struct mtk_cpu_dvfs_info { struct regulator *sram_reg; struct clk *cpu_clk; struct clk *inter_clk; - struct thermal_cooling_device *cdev; struct list_head list_head; int intermediate_voltage; bool need_voltage_tracking; @@ -307,13 +305,6 @@ static int mtk_cpufreq_set_target(struct cpufreq_policy *policy, #define DYNAMIC_POWER "dynamic-power-coefficient" -static void mtk_cpufreq_ready(struct cpufreq_policy *policy) -{ - struct mtk_cpu_dvfs_info *info = policy->driver_data; - - info->cdev = of_cpufreq_cooling_register(policy); -} - static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu) { struct device *cpu_dev; @@ -472,7 +463,6 @@ static int mtk_cpufreq_exit(struct cpufreq_policy *policy) { struct mtk_cpu_dvfs_info *info = policy->driver_data; - cpufreq_cooling_unregister(info->cdev); dev_pm_opp_free_cpufreq_table(info->cpu_dev, &policy->freq_table); return 0; @@ -480,13 +470,13 @@ static int mtk_cpufreq_exit(struct cpufreq_policy *policy) static struct cpufreq_driver mtk_cpufreq_driver = { .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK | - CPUFREQ_HAVE_GOVERNOR_PER_POLICY, + CPUFREQ_HAVE_GOVERNOR_PER_POLICY | + CPUFREQ_AUTO_REGISTER_COOLING_DEV, .verify = cpufreq_generic_frequency_table_verify, .target_index = mtk_cpufreq_set_target, .get = cpufreq_generic_get, .init = mtk_cpufreq_init, .exit = mtk_cpufreq_exit, - .ready = mtk_cpufreq_ready, .name = "mtk-cpufreq", .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/mediatek-cpufreq.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-)