pm_qos_update

函数名称：pm_qos_update_target - manages the constraints list and calls the notifiers* if needed*@c: constraints data struct*@node: request to add to the list, to update or to remove*@action: action to take on the constraints list*@value: value of the request to

函数原型：int pm_qos_update_target(struct pm_qos_constraints *c, struct plist_node *node, enum pm_qos_req_action action, int value)

返回类型：int

参数：

类型	参数	名称
struct pm_qos_constraints *	c
struct plist_node *	node
enum pm_qos_req_action	action
int	value

**调用者**
名称	描述
__pm_qos_update_request
pm_qos_add_request	pm_qos_add_request - inserts new qos request into the list@req: pointer to a preallocated handle@pm_qos_class: identifies which list of qos request to use@value: defines the qos request This function inserts a new entry in the pm_qos_class list of
pm_qos_update_request_timeout	pm_qos_update_request_timeout - modifies an existing qos request temporarily.@req : handle to list element holding a pm_qos request to use@new_value: defines the temporal qos request*@timeout_us: the effective duration of this qos request in usecs.
pm_qos_remove_request	pm_qos_remove_request - modifies an existing qos request@req: handle to request list element Will remove pm qos request from the list of constraints and* recompute the current target value for the pm_qos_class. Call this* on slow code paths.
freq_qos_apply	q_qos_apply - Add/modify/remove frequency QoS request.@req: Constraint request to apply.@action: Action to perform (add/update/remove).@value: Value to assign to the QoS request. This is only meant to be called from inside pm_qos, not drivers.

函数逻辑报告