#include <linux/suspend.h>
#include <linux/export.h>
#include <linux/cpu.h>
+#include <linux/debugfs.h>
#include "power.h"
}
#ifdef CONFIG_DEBUG_FS
+static struct dentry *genpd_debugfs_dir;
+
+static void genpd_debug_add(struct generic_pm_domain *genpd);
+
+static void genpd_debug_remove(struct generic_pm_domain *genpd)
+{
+ struct dentry *d;
+
+ d = debugfs_lookup(genpd->name, genpd_debugfs_dir);
+ debugfs_remove(d);
+}
+
static void genpd_update_accounting(struct generic_pm_domain *genpd)
{
ktime_t delta, now;
genpd->accounting_time = now;
}
#else
+static inline void genpd_debug_add(struct generic_pm_domain *genpd) {}
+static inline void genpd_debug_remove(struct generic_pm_domain *genpd) {}
static inline void genpd_update_accounting(struct generic_pm_domain *genpd) {}
#endif
mutex_lock(&gpd_list_lock);
list_add(&genpd->gpd_list_node, &gpd_list);
+ genpd_debug_add(genpd);
mutex_unlock(&gpd_list_lock);
return 0;
kfree(link);
}
+ genpd_debug_remove(genpd);
list_del(&genpd->gpd_list_node);
genpd_unlock(genpd);
cancel_work_sync(&genpd->power_off_work);
/*** debugfs support ***/
#ifdef CONFIG_DEBUG_FS
-#include <linux/pm.h>
-#include <linux/device.h>
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
-#include <linux/init.h>
-#include <linux/kobject.h>
-static struct dentry *genpd_debugfs_dir;
-
/*
* TODO: This function is a slightly modified version of rtpm_status_show
* from sysfs.c, so generalize it.
DEFINE_SHOW_ATTRIBUTE(devices);
DEFINE_SHOW_ATTRIBUTE(perf_state);
-static int __init genpd_debug_init(void)
+static void genpd_debug_add(struct generic_pm_domain *genpd)
{
struct dentry *d;
+
+ if (!genpd_debugfs_dir)
+ return;
+
+ d = debugfs_create_dir(genpd->name, genpd_debugfs_dir);
+
+ debugfs_create_file("current_state", 0444,
+ d, genpd, &status_fops);
+ debugfs_create_file("sub_domains", 0444,
+ d, genpd, &sub_domains_fops);
+ debugfs_create_file("idle_states", 0444,
+ d, genpd, &idle_states_fops);
+ debugfs_create_file("active_time", 0444,
+ d, genpd, &active_time_fops);
+ debugfs_create_file("total_idle_time", 0444,
+ d, genpd, &total_idle_time_fops);
+ debugfs_create_file("devices", 0444,
+ d, genpd, &devices_fops);
+ if (genpd->set_performance_state)
+ debugfs_create_file("perf_state", 0444,
+ d, genpd, &perf_state_fops);
+}
+
+static int __init genpd_debug_init(void)
+{
struct generic_pm_domain *genpd;
genpd_debugfs_dir = debugfs_create_dir("pm_genpd", NULL);
debugfs_create_file("pm_genpd_summary", S_IRUGO, genpd_debugfs_dir,
NULL, &summary_fops);
- list_for_each_entry(genpd, &gpd_list, gpd_list_node) {
- d = debugfs_create_dir(genpd->name, genpd_debugfs_dir);
-
- debugfs_create_file("current_state", 0444,
- d, genpd, &status_fops);
- debugfs_create_file("sub_domains", 0444,
- d, genpd, &sub_domains_fops);
- debugfs_create_file("idle_states", 0444,
- d, genpd, &idle_states_fops);
- debugfs_create_file("active_time", 0444,
- d, genpd, &active_time_fops);
- debugfs_create_file("total_idle_time", 0444,
- d, genpd, &total_idle_time_fops);
- debugfs_create_file("devices", 0444,
- d, genpd, &devices_fops);
- if (genpd->set_performance_state)
- debugfs_create_file("perf_state", 0444,
- d, genpd, &perf_state_fops);
- }
+ list_for_each_entry(genpd, &gpd_list, gpd_list_node)
+ genpd_debug_add(genpd);
return 0;
}