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cpufreq: dt: Add cpu devices to system monitor

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Change-Id: I5481e50dddc2f9a8888758d096e4c3f185df06dc
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
This commit is contained in:
Finley Xiao
2019-03-15 17:31:42 +08:00
committed by Tao Huang
parent 0efbd84a9a
commit bfcf509395
1 changed files with 25 additions and 0 deletions
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25
drivers/cpufreq/cpufreq-dt.c
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@@ -29,12 +29,18 @@
#include "cpufreq-dt.h"
#ifdef CONFIG_ARCH_ROCKCHIP
#include "rockchip-cpufreq.h"
#include <soc/rockchip/rockchip_ipa.h>
#include <soc/rockchip/rockchip_system_monitor.h>
#endif
struct private_data {
struct opp_table *opp_table;
struct device *cpu_dev;
struct thermal_cooling_device *cdev;
#ifdef CONFIG_ARCH_ROCKCHIP
struct monitor_dev_info *mdev_info;
struct monitor_dev_profile *mdevp;
#endif
const char *reg_name;
bool have_static_opps;
};
@@ -312,6 +318,23 @@ static int cpufreq_init(struct cpufreq_policy *policy)
em_register_perf_domain(policy->cpus, nr_opp, &em_cb);
#ifdef CONFIG_ARCH_ROCKCHIP
priv->mdevp = kzalloc(sizeof(*priv->mdevp), GFP_KERNEL);
if (!priv->mdevp)
goto check_rate_volt;
priv->mdevp->type = MONITOR_TPYE_CPU;
priv->mdevp->low_temp_adjust = rockchip_monitor_cpu_low_temp_adjust;
priv->mdevp->high_temp_adjust = rockchip_monitor_cpu_high_temp_adjust;
cpumask_copy(&priv->mdevp->allowed_cpus, policy->cpus);
priv->mdev_info = rockchip_system_monitor_register(cpu_dev,
priv->mdevp);
if (IS_ERR(priv->mdev_info)) {
kfree(priv->mdevp);
priv->mdevp = NULL;
dev_dbg(priv->cpu_dev,
"running cpufreq without system monitor\n");
priv->mdev_info = NULL;
}
check_rate_volt:
rockchip_cpufreq_check_rate_volt(cpu_dev);
#endif
return 0;
@@ -343,6 +366,8 @@ static int cpufreq_exit(struct cpufreq_policy *policy)
dev_pm_opp_put_regulators(priv->opp_table);
#ifdef CONFIG_ARCH_ROCKCHIP
rockchip_cpufreq_put_opp_info(priv->cpu_dev);
rockchip_system_monitor_unregister(priv->mdev_info);
kfree(priv->mdevp);
#endif
clk_put(policy->clk);
kfree(priv);