#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/list.h>
+#include <linux/limits.h>
#include <linux/pm_opp.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
* are protected by the dev_opp_list_lock for integrity.
* IMPORTANT: the opp nodes should be maintained in increasing
* order.
- * @dynamic: not-created from static DT entries.
* @available: true/false - marks if this OPP as available or not
+ * @dynamic: not-created from static DT entries.
* @turbo: true if turbo (boost) OPP
+ * @suspend: true if suspend OPP
* @rate: Frequency in hertz
* @u_volt: Target voltage in microvolts corresponding to this OPP
* @u_volt_min: Minimum voltage in microvolts corresponding to this OPP
* @dev_opp: points back to the device_opp struct this opp belongs to
* @rcu_head: RCU callback head used for deferred freeing
* @np: OPP's device node.
+ * @dentry: debugfs dentry pointer (per opp)
*
* This structure stores the OPP information for a given device.
*/
bool available;
bool dynamic;
bool turbo;
+ bool suspend;
unsigned long rate;
unsigned long u_volt;
struct rcu_head rcu_head;
struct device_node *np;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *dentry;
+#endif
};
/**
* @node: list node
* @dev: device to which the struct object belongs
* @rcu_head: RCU callback head used for deferred freeing
+ * @dentry: debugfs dentry pointer (per device)
*
* This is an internal data structure maintaining the list of devices that are
* managed by 'struct device_opp'.
struct list_head node;
const struct device *dev;
struct rcu_head rcu_head;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *dentry;
+#endif
};
/**
* @dev_list: list of devices that share these OPPs
* @opp_list: list of opps
* @np: struct device_node pointer for opp's DT node.
+ * @clock_latency_ns_max: Max clock latency in nanoseconds.
* @shared_opp: OPP is shared between multiple devices.
+ * @suspend_opp: Pointer to OPP to be used during device suspend.
+ * @supported_hw: Array of version number to support.
+ * @supported_hw_count: Number of elements in supported_hw array.
+ * @dentry: debugfs dentry pointer of the real device directory (not links).
+ * @dentry_name: Name of the real dentry.
*
* This is an internal data structure maintaining the link to opps attached to
* a device. This structure is not meant to be shared to users as it is
unsigned long clock_latency_ns_max;
bool shared_opp;
struct dev_pm_opp *suspend_opp;
+
+ unsigned int *supported_hw;
+ unsigned int supported_hw_count;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *dentry;
+ char dentry_name[NAME_MAX];
+#endif
};
/* Routines internal to opp core */
struct device_opp *dev_opp);
struct device_node *_of_get_opp_desc_node(struct device *dev);
+#ifdef CONFIG_DEBUG_FS
+void opp_debug_remove_one(struct dev_pm_opp *opp);
+int opp_debug_create_one(struct dev_pm_opp *opp, struct device_opp *dev_opp);
+int opp_debug_register(struct device_list_opp *list_dev,
+ struct device_opp *dev_opp);
+void opp_debug_unregister(struct device_list_opp *list_dev,
+ struct device_opp *dev_opp);
+#else
+static inline void opp_debug_remove_one(struct dev_pm_opp *opp) {}
+
+static inline int opp_debug_create_one(struct dev_pm_opp *opp,
+ struct device_opp *dev_opp)
+{ return 0; }
+static inline int opp_debug_register(struct device_list_opp *list_dev,
+ struct device_opp *dev_opp)
+{ return 0; }
+
+static inline void opp_debug_unregister(struct device_list_opp *list_dev,
+ struct device_opp *dev_opp)
+{ }
+#endif /* DEBUG_FS */
+
#endif /* __DRIVER_OPP_H__ */