Lines Matching refs:path
170 struct icc_path *path; in path_init() local
173 path = kzalloc(struct_size(path, reqs, num_nodes), GFP_KERNEL); in path_init()
174 if (!path) in path_init()
177 path->num_nodes = num_nodes; in path_init()
183 hlist_add_head(&path->reqs[i].req_node, &node->req_list); in path_init()
184 path->reqs[i].node = node; in path_init()
185 path->reqs[i].dev = dev; in path_init()
186 path->reqs[i].enabled = true; in path_init()
193 return path; in path_init()
199 struct icc_path *path = ERR_PTR(-EPROBE_DEFER); in path_find() local
226 path = ERR_PTR(-ENOENT); in path_find()
257 path = path_init(dev, dst, depth); in path_find()
259 return path; in path_find()
302 static int apply_constraints(struct icc_path *path) in apply_constraints() argument
309 for (i = 0; i < path->num_nodes; i++) { in apply_constraints()
310 next = path->reqs[i].node; in apply_constraints()
426 struct icc_path **ptr, *path; in devm_of_icc_get() local
432 path = of_icc_get(dev, name); in devm_of_icc_get()
433 if (!IS_ERR(path)) { in devm_of_icc_get()
434 *ptr = path; in devm_of_icc_get()
440 return path; in devm_of_icc_get()
461 struct icc_path *path; in of_icc_get_by_index() local
516 path = path_find(dev, src_data->node, dst_data->node); in of_icc_get_by_index()
518 if (IS_ERR(path)) { in of_icc_get_by_index()
519 dev_err(dev, "%s: invalid path=%ld\n", __func__, PTR_ERR(path)); in of_icc_get_by_index()
524 icc_set_tag(path, src_data->tag); in of_icc_get_by_index()
526 path->name = kasprintf(GFP_KERNEL, "%s-%s", in of_icc_get_by_index()
528 if (!path->name) { in of_icc_get_by_index()
529 kfree(path); in of_icc_get_by_index()
530 path = ERR_PTR(-ENOMEM); in of_icc_get_by_index()
536 return path; in of_icc_get_by_index()
603 struct icc_path *path = ERR_PTR(-EPROBE_DEFER); in icc_get() local
619 path = path_find(dev, src_node, dst_node); in icc_get()
620 if (IS_ERR(path)) { in icc_get()
621 dev_err(dev, "%s: invalid path=%ld\n", __func__, PTR_ERR(path)); in icc_get()
625 path->name = kasprintf(GFP_KERNEL, "%s-%s", src_node->name, dst_node->name); in icc_get()
626 if (!path->name) { in icc_get()
627 kfree(path); in icc_get()
628 path = ERR_PTR(-ENOMEM); in icc_get()
632 return path; in icc_get()
643 void icc_set_tag(struct icc_path *path, u32 tag) in icc_set_tag() argument
647 if (!path) in icc_set_tag()
652 for (i = 0; i < path->num_nodes; i++) in icc_set_tag()
653 path->reqs[i].tag = tag; in icc_set_tag()
668 const char *icc_get_name(struct icc_path *path) in icc_get_name() argument
670 if (!path) in icc_get_name()
673 return path->name; in icc_get_name()
692 int icc_set_bw(struct icc_path *path, u32 avg_bw, u32 peak_bw) in icc_set_bw() argument
699 if (!path) in icc_set_bw()
702 if (WARN_ON(IS_ERR(path) || !path->num_nodes)) in icc_set_bw()
707 old_avg = path->reqs[0].avg_bw; in icc_set_bw()
708 old_peak = path->reqs[0].peak_bw; in icc_set_bw()
710 for (i = 0; i < path->num_nodes; i++) { in icc_set_bw()
711 node = path->reqs[i].node; in icc_set_bw()
714 path->reqs[i].avg_bw = avg_bw; in icc_set_bw()
715 path->reqs[i].peak_bw = peak_bw; in icc_set_bw()
720 trace_icc_set_bw(path, node, i, avg_bw, peak_bw); in icc_set_bw()
723 ret = apply_constraints(path); in icc_set_bw()
728 for (i = 0; i < path->num_nodes; i++) { in icc_set_bw()
729 node = path->reqs[i].node; in icc_set_bw()
730 path->reqs[i].avg_bw = old_avg; in icc_set_bw()
731 path->reqs[i].peak_bw = old_peak; in icc_set_bw()
734 apply_constraints(path); in icc_set_bw()
739 trace_icc_set_bw_end(path, ret); in icc_set_bw()
745 static int __icc_enable(struct icc_path *path, bool enable) in __icc_enable() argument
749 if (!path) in __icc_enable()
752 if (WARN_ON(IS_ERR(path) || !path->num_nodes)) in __icc_enable()
757 for (i = 0; i < path->num_nodes; i++) in __icc_enable()
758 path->reqs[i].enabled = enable; in __icc_enable()
762 return icc_set_bw(path, path->reqs[0].avg_bw, in __icc_enable()
763 path->reqs[0].peak_bw); in __icc_enable()
766 int icc_enable(struct icc_path *path) in icc_enable() argument
768 return __icc_enable(path, true); in icc_enable()
772 int icc_disable(struct icc_path *path) in icc_disable() argument
774 return __icc_enable(path, false); in icc_disable()
785 void icc_put(struct icc_path *path) in icc_put() argument
791 if (!path || WARN_ON(IS_ERR(path))) in icc_put()
794 ret = icc_set_bw(path, 0, 0); in icc_put()
801 for (i = 0; i < path->num_nodes; i++) { in icc_put()
802 node = path->reqs[i].node; in icc_put()
803 hlist_del(&path->reqs[i].req_node); in icc_put()
811 kfree_const(path->name); in icc_put()
812 kfree(path); in icc_put()