Lines Matching refs:core
82 struct clk_core *core; member
151 static bool clk_core_is_prepared(struct clk_core *core) in clk_core_is_prepared() argument
157 if (!core->ops->is_prepared) in clk_core_is_prepared()
158 return core->prepare_count; in clk_core_is_prepared()
160 return core->ops->is_prepared(core->hw); in clk_core_is_prepared()
163 static bool clk_core_is_enabled(struct clk_core *core) in clk_core_is_enabled() argument
169 if (!core->ops->is_enabled) in clk_core_is_enabled()
170 return core->enable_count; in clk_core_is_enabled()
172 return core->ops->is_enabled(core->hw); in clk_core_is_enabled()
175 static void clk_unprepare_unused_subtree(struct clk_core *core) in clk_unprepare_unused_subtree() argument
181 hlist_for_each_entry(child, &core->children, child_node) in clk_unprepare_unused_subtree()
184 if (core->prepare_count) in clk_unprepare_unused_subtree()
187 if (core->flags & CLK_IGNORE_UNUSED) in clk_unprepare_unused_subtree()
190 if (clk_core_is_prepared(core)) { in clk_unprepare_unused_subtree()
191 trace_clk_unprepare(core); in clk_unprepare_unused_subtree()
192 if (core->ops->unprepare_unused) in clk_unprepare_unused_subtree()
193 core->ops->unprepare_unused(core->hw); in clk_unprepare_unused_subtree()
194 else if (core->ops->unprepare) in clk_unprepare_unused_subtree()
195 core->ops->unprepare(core->hw); in clk_unprepare_unused_subtree()
196 trace_clk_unprepare_complete(core); in clk_unprepare_unused_subtree()
200 static void clk_disable_unused_subtree(struct clk_core *core) in clk_disable_unused_subtree() argument
207 hlist_for_each_entry(child, &core->children, child_node) in clk_disable_unused_subtree()
212 if (core->enable_count) in clk_disable_unused_subtree()
215 if (core->flags & CLK_IGNORE_UNUSED) in clk_disable_unused_subtree()
223 if (clk_core_is_enabled(core)) { in clk_disable_unused_subtree()
224 trace_clk_disable(core); in clk_disable_unused_subtree()
225 if (core->ops->disable_unused) in clk_disable_unused_subtree()
226 core->ops->disable_unused(core->hw); in clk_disable_unused_subtree()
227 else if (core->ops->disable) in clk_disable_unused_subtree()
228 core->ops->disable(core->hw); in clk_disable_unused_subtree()
229 trace_clk_disable_complete(core); in clk_disable_unused_subtree()
246 struct clk_core *core; in clk_disable_unused() local
255 hlist_for_each_entry(core, &clk_root_list, child_node) in clk_disable_unused()
256 clk_disable_unused_subtree(core); in clk_disable_unused()
258 hlist_for_each_entry(core, &clk_orphan_list, child_node) in clk_disable_unused()
259 clk_disable_unused_subtree(core); in clk_disable_unused()
261 hlist_for_each_entry(core, &clk_root_list, child_node) in clk_disable_unused()
262 clk_unprepare_unused_subtree(core); in clk_disable_unused()
264 hlist_for_each_entry(core, &clk_orphan_list, child_node) in clk_disable_unused()
265 clk_unprepare_unused_subtree(core); in clk_disable_unused()
277 return !clk ? NULL : clk->core->name; in __clk_get_name()
283 return hw->core->name; in clk_hw_get_name()
289 return !clk ? NULL : clk->core->hw; in __clk_get_hw()
295 return hw->core->num_parents; in clk_hw_get_num_parents()
301 return hw->core->parent ? hw->core->parent->hw : NULL; in clk_hw_get_parent()
306 struct clk_core *core) in __clk_lookup_subtree() argument
311 if (!strcmp(core->name, name)) in __clk_lookup_subtree()
312 return core; in __clk_lookup_subtree()
314 hlist_for_each_entry(child, &core->children, child_node) { in __clk_lookup_subtree()
348 static struct clk_core *clk_core_get_parent_by_index(struct clk_core *core, in clk_core_get_parent_by_index() argument
351 if (!core || index >= core->num_parents) in clk_core_get_parent_by_index()
353 else if (!core->parents) in clk_core_get_parent_by_index()
354 return clk_core_lookup(core->parent_names[index]); in clk_core_get_parent_by_index()
355 else if (!core->parents[index]) in clk_core_get_parent_by_index()
356 return core->parents[index] = in clk_core_get_parent_by_index()
357 clk_core_lookup(core->parent_names[index]); in clk_core_get_parent_by_index()
359 return core->parents[index]; in clk_core_get_parent_by_index()
367 parent = clk_core_get_parent_by_index(hw->core, index); in clk_hw_get_parent_by_index()
375 return !clk ? 0 : clk->core->enable_count; in __clk_get_enable_count()
378 static unsigned long clk_core_get_rate_nolock(struct clk_core *core) in clk_core_get_rate_nolock() argument
382 if (!core) { in clk_core_get_rate_nolock()
387 ret = core->rate; in clk_core_get_rate_nolock()
389 if (core->flags & CLK_IS_ROOT) in clk_core_get_rate_nolock()
392 if (!core->parent) in clk_core_get_rate_nolock()
401 return clk_core_get_rate_nolock(hw->core); in clk_hw_get_rate()
405 static unsigned long __clk_get_accuracy(struct clk_core *core) in __clk_get_accuracy() argument
407 if (!core) in __clk_get_accuracy()
410 return core->accuracy; in __clk_get_accuracy()
415 return !clk ? 0 : clk->core->flags; in __clk_get_flags()
421 return hw->core->flags; in clk_hw_get_flags()
427 return clk_core_is_prepared(hw->core); in clk_hw_is_prepared()
432 return clk_core_is_enabled(hw->core); in clk_hw_is_enabled()
440 return clk_core_is_enabled(clk->core); in __clk_is_enabled()
457 struct clk_core *core = hw->core, *parent, *best_parent = NULL; in clk_mux_determine_rate_flags() local
463 if (core->flags & CLK_SET_RATE_NO_REPARENT) { in clk_mux_determine_rate_flags()
464 parent = core->parent; in clk_mux_determine_rate_flags()
465 if (core->flags & CLK_SET_RATE_PARENT) { in clk_mux_determine_rate_flags()
475 best = clk_core_get_rate_nolock(core); in clk_mux_determine_rate_flags()
482 num_parents = core->num_parents; in clk_mux_determine_rate_flags()
484 parent = clk_core_get_parent_by_index(core, i); in clk_mux_determine_rate_flags()
488 if (core->flags & CLK_SET_RATE_PARENT) { in clk_mux_determine_rate_flags()
518 struct clk_core *core = clk_core_lookup(name); in __clk_lookup() local
520 return !core ? NULL : core->hw->clk; in __clk_lookup()
523 static void clk_core_get_boundaries(struct clk_core *core, in clk_core_get_boundaries() argument
529 *min_rate = core->min_rate; in clk_core_get_boundaries()
530 *max_rate = core->max_rate; in clk_core_get_boundaries()
532 hlist_for_each_entry(clk_user, &core->clks, clks_node) in clk_core_get_boundaries()
535 hlist_for_each_entry(clk_user, &core->clks, clks_node) in clk_core_get_boundaries()
542 hw->core->min_rate = min_rate; in clk_hw_set_rate_range()
543 hw->core->max_rate = max_rate; in clk_hw_set_rate_range()
568 static void clk_core_unprepare(struct clk_core *core) in clk_core_unprepare() argument
572 if (!core) in clk_core_unprepare()
575 if (WARN_ON(core->prepare_count == 0)) in clk_core_unprepare()
578 if (--core->prepare_count > 0) in clk_core_unprepare()
581 WARN_ON(core->enable_count > 0); in clk_core_unprepare()
583 trace_clk_unprepare(core); in clk_core_unprepare()
585 if (core->ops->unprepare) in clk_core_unprepare()
586 core->ops->unprepare(core->hw); in clk_core_unprepare()
588 trace_clk_unprepare_complete(core); in clk_core_unprepare()
589 clk_core_unprepare(core->parent); in clk_core_unprepare()
609 clk_core_unprepare(clk->core); in clk_unprepare()
614 static int clk_core_prepare(struct clk_core *core) in clk_core_prepare() argument
620 if (!core) in clk_core_prepare()
623 if (core->prepare_count == 0) { in clk_core_prepare()
624 ret = clk_core_prepare(core->parent); in clk_core_prepare()
628 trace_clk_prepare(core); in clk_core_prepare()
630 if (core->ops->prepare) in clk_core_prepare()
631 ret = core->ops->prepare(core->hw); in clk_core_prepare()
633 trace_clk_prepare_complete(core); in clk_core_prepare()
636 clk_core_unprepare(core->parent); in clk_core_prepare()
641 core->prepare_count++; in clk_core_prepare()
666 ret = clk_core_prepare(clk->core); in clk_prepare()
673 static void clk_core_disable(struct clk_core *core) in clk_core_disable() argument
677 if (!core) in clk_core_disable()
680 if (WARN_ON(core->enable_count == 0)) in clk_core_disable()
683 if (--core->enable_count > 0) in clk_core_disable()
686 trace_clk_disable(core); in clk_core_disable()
688 if (core->ops->disable) in clk_core_disable()
689 core->ops->disable(core->hw); in clk_core_disable()
691 trace_clk_disable_complete(core); in clk_core_disable()
693 clk_core_disable(core->parent); in clk_core_disable()
716 clk_core_disable(clk->core); in clk_disable()
721 static int clk_core_enable(struct clk_core *core) in clk_core_enable() argument
727 if (!core) in clk_core_enable()
730 if (WARN_ON(core->prepare_count == 0)) in clk_core_enable()
733 if (core->enable_count == 0) { in clk_core_enable()
734 ret = clk_core_enable(core->parent); in clk_core_enable()
739 trace_clk_enable(core); in clk_core_enable()
741 if (core->ops->enable) in clk_core_enable()
742 ret = core->ops->enable(core->hw); in clk_core_enable()
744 trace_clk_enable_complete(core); in clk_core_enable()
747 clk_core_disable(core->parent); in clk_core_enable()
752 core->enable_count++; in clk_core_enable()
778 ret = clk_core_enable(clk->core); in clk_enable()
785 static int clk_core_round_rate_nolock(struct clk_core *core, in clk_core_round_rate_nolock() argument
793 if (!core) in clk_core_round_rate_nolock()
796 parent = core->parent; in clk_core_round_rate_nolock()
805 if (core->ops->determine_rate) { in clk_core_round_rate_nolock()
806 return core->ops->determine_rate(core->hw, req); in clk_core_round_rate_nolock()
807 } else if (core->ops->round_rate) { in clk_core_round_rate_nolock()
808 rate = core->ops->round_rate(core->hw, req->rate, in clk_core_round_rate_nolock()
814 } else if (core->flags & CLK_SET_RATE_PARENT) { in clk_core_round_rate_nolock()
817 req->rate = core->rate; in clk_core_round_rate_nolock()
839 return clk_core_round_rate_nolock(hw->core, req); in __clk_determine_rate()
848 clk_core_get_boundaries(hw->core, &req.min_rate, &req.max_rate); in clk_hw_round_rate()
851 ret = clk_core_round_rate_nolock(hw->core, &req); in clk_hw_round_rate()
878 clk_core_get_boundaries(clk->core, &req.min_rate, &req.max_rate); in clk_round_rate()
881 ret = clk_core_round_rate_nolock(clk->core, &req); in clk_round_rate()
905 static int __clk_notify(struct clk_core *core, unsigned long msg, in __clk_notify() argument
916 if (cn->clk->core == core) { in __clk_notify()
935 static void __clk_recalc_accuracies(struct clk_core *core) in __clk_recalc_accuracies() argument
942 if (core->parent) in __clk_recalc_accuracies()
943 parent_accuracy = core->parent->accuracy; in __clk_recalc_accuracies()
945 if (core->ops->recalc_accuracy) in __clk_recalc_accuracies()
946 core->accuracy = core->ops->recalc_accuracy(core->hw, in __clk_recalc_accuracies()
949 core->accuracy = parent_accuracy; in __clk_recalc_accuracies()
951 hlist_for_each_entry(child, &core->children, child_node) in __clk_recalc_accuracies()
955 static long clk_core_get_accuracy(struct clk_core *core) in clk_core_get_accuracy() argument
960 if (core && (core->flags & CLK_GET_ACCURACY_NOCACHE)) in clk_core_get_accuracy()
961 __clk_recalc_accuracies(core); in clk_core_get_accuracy()
963 accuracy = __clk_get_accuracy(core); in clk_core_get_accuracy()
983 return clk_core_get_accuracy(clk->core); in clk_get_accuracy()
987 static unsigned long clk_recalc(struct clk_core *core, in clk_recalc() argument
990 if (core->ops->recalc_rate) in clk_recalc()
991 return core->ops->recalc_rate(core->hw, parent_rate); in clk_recalc()
1007 static void __clk_recalc_rates(struct clk_core *core, unsigned long msg) in __clk_recalc_rates() argument
1015 old_rate = core->rate; in __clk_recalc_rates()
1017 if (core->parent) in __clk_recalc_rates()
1018 parent_rate = core->parent->rate; in __clk_recalc_rates()
1020 core->rate = clk_recalc(core, parent_rate); in __clk_recalc_rates()
1026 if (core->notifier_count && msg) in __clk_recalc_rates()
1027 __clk_notify(core, msg, old_rate, core->rate); in __clk_recalc_rates()
1029 hlist_for_each_entry(child, &core->children, child_node) in __clk_recalc_rates()
1033 static unsigned long clk_core_get_rate(struct clk_core *core) in clk_core_get_rate() argument
1039 if (core && (core->flags & CLK_GET_RATE_NOCACHE)) in clk_core_get_rate()
1040 __clk_recalc_rates(core, 0); in clk_core_get_rate()
1042 rate = clk_core_get_rate_nolock(core); in clk_core_get_rate()
1061 return clk_core_get_rate(clk->core); in clk_get_rate()
1065 static int clk_fetch_parent_index(struct clk_core *core, in clk_fetch_parent_index() argument
1070 if (!core->parents) { in clk_fetch_parent_index()
1071 core->parents = kcalloc(core->num_parents, in clk_fetch_parent_index()
1073 if (!core->parents) in clk_fetch_parent_index()
1082 for (i = 0; i < core->num_parents; i++) { in clk_fetch_parent_index()
1083 if (core->parents[i] == parent) in clk_fetch_parent_index()
1086 if (core->parents[i]) in clk_fetch_parent_index()
1089 if (!strcmp(core->parent_names[i], parent->name)) { in clk_fetch_parent_index()
1090 core->parents[i] = clk_core_lookup(parent->name); in clk_fetch_parent_index()
1101 static void clk_core_update_orphan_status(struct clk_core *core, bool is_orphan) in clk_core_update_orphan_status() argument
1105 core->orphan = is_orphan; in clk_core_update_orphan_status()
1107 hlist_for_each_entry(child, &core->children, child_node) in clk_core_update_orphan_status()
1111 static void clk_reparent(struct clk_core *core, struct clk_core *new_parent) in clk_reparent() argument
1113 bool was_orphan = core->orphan; in clk_reparent()
1115 hlist_del(&core->child_node); in clk_reparent()
1121 if (new_parent->new_child == core) in clk_reparent()
1124 hlist_add_head(&core->child_node, &new_parent->children); in clk_reparent()
1127 clk_core_update_orphan_status(core, becomes_orphan); in clk_reparent()
1129 hlist_add_head(&core->child_node, &clk_orphan_list); in clk_reparent()
1131 clk_core_update_orphan_status(core, true); in clk_reparent()
1134 core->parent = new_parent; in clk_reparent()
1137 static struct clk_core *__clk_set_parent_before(struct clk_core *core, in __clk_set_parent_before() argument
1141 struct clk_core *old_parent = core->parent; in __clk_set_parent_before()
1160 if (core->prepare_count) { in __clk_set_parent_before()
1164 clk_core_enable(core); in __clk_set_parent_before()
1170 clk_reparent(core, parent); in __clk_set_parent_before()
1176 static void __clk_set_parent_after(struct clk_core *core, in __clk_set_parent_after() argument
1186 if (core->prepare_count) { in __clk_set_parent_after()
1188 clk_core_disable(core); in __clk_set_parent_after()
1195 static int __clk_set_parent(struct clk_core *core, struct clk_core *parent, in __clk_set_parent() argument
1202 old_parent = __clk_set_parent_before(core, parent); in __clk_set_parent()
1204 trace_clk_set_parent(core, parent); in __clk_set_parent()
1207 if (parent && core->ops->set_parent) in __clk_set_parent()
1208 ret = core->ops->set_parent(core->hw, p_index); in __clk_set_parent()
1210 trace_clk_set_parent_complete(core, parent); in __clk_set_parent()
1214 clk_reparent(core, old_parent); in __clk_set_parent()
1216 __clk_set_parent_after(core, old_parent, parent); in __clk_set_parent()
1221 __clk_set_parent_after(core, parent, old_parent); in __clk_set_parent()
1240 static int __clk_speculate_rates(struct clk_core *core, in __clk_speculate_rates() argument
1249 new_rate = clk_recalc(core, parent_rate); in __clk_speculate_rates()
1252 if (core->notifier_count) in __clk_speculate_rates()
1253 ret = __clk_notify(core, PRE_RATE_CHANGE, core->rate, new_rate); in __clk_speculate_rates()
1257 __func__, core->name, ret); in __clk_speculate_rates()
1261 hlist_for_each_entry(child, &core->children, child_node) { in __clk_speculate_rates()
1271 static void clk_calc_subtree(struct clk_core *core, unsigned long new_rate, in clk_calc_subtree() argument
1276 core->new_rate = new_rate; in clk_calc_subtree()
1277 core->new_parent = new_parent; in clk_calc_subtree()
1278 core->new_parent_index = p_index; in clk_calc_subtree()
1280 core->new_child = NULL; in clk_calc_subtree()
1281 if (new_parent && new_parent != core->parent) in clk_calc_subtree()
1282 new_parent->new_child = core; in clk_calc_subtree()
1284 hlist_for_each_entry(child, &core->children, child_node) { in clk_calc_subtree()
1294 static struct clk_core *clk_calc_new_rates(struct clk_core *core, in clk_calc_new_rates() argument
1297 struct clk_core *top = core; in clk_calc_new_rates()
1307 if (IS_ERR_OR_NULL(core)) in clk_calc_new_rates()
1311 parent = old_parent = core->parent; in clk_calc_new_rates()
1315 clk_core_get_boundaries(core, &min_rate, &max_rate); in clk_calc_new_rates()
1318 if (core->ops->determine_rate) { in clk_calc_new_rates()
1332 ret = core->ops->determine_rate(core->hw, &req); in clk_calc_new_rates()
1338 parent = req.best_parent_hw ? req.best_parent_hw->core : NULL; in clk_calc_new_rates()
1339 } else if (core->ops->round_rate) { in clk_calc_new_rates()
1340 ret = core->ops->round_rate(core->hw, rate, in clk_calc_new_rates()
1348 } else if (!parent || !(core->flags & CLK_SET_RATE_PARENT)) { in clk_calc_new_rates()
1350 core->new_rate = core->rate; in clk_calc_new_rates()
1361 (core->flags & CLK_SET_PARENT_GATE) && core->prepare_count) { in clk_calc_new_rates()
1363 __func__, core->name); in clk_calc_new_rates()
1368 if (parent && core->num_parents > 1) { in clk_calc_new_rates()
1369 p_index = clk_fetch_parent_index(core, parent); in clk_calc_new_rates()
1372 __func__, parent->name, core->name); in clk_calc_new_rates()
1377 if ((core->flags & CLK_SET_RATE_PARENT) && parent && in clk_calc_new_rates()
1382 clk_calc_subtree(core, new_rate, parent, p_index); in clk_calc_new_rates()
1392 static struct clk_core *clk_propagate_rate_change(struct clk_core *core, in clk_propagate_rate_change() argument
1398 if (core->rate == core->new_rate) in clk_propagate_rate_change()
1401 if (core->notifier_count) { in clk_propagate_rate_change()
1402 ret = __clk_notify(core, event, core->rate, core->new_rate); in clk_propagate_rate_change()
1404 fail_clk = core; in clk_propagate_rate_change()
1407 hlist_for_each_entry(child, &core->children, child_node) { in clk_propagate_rate_change()
1409 if (child->new_parent && child->new_parent != core) in clk_propagate_rate_change()
1417 if (core->new_child) { in clk_propagate_rate_change()
1418 tmp_clk = clk_propagate_rate_change(core->new_child, event); in clk_propagate_rate_change()
1430 static void clk_change_rate(struct clk_core *core) in clk_change_rate() argument
1439 old_rate = core->rate; in clk_change_rate()
1441 if (core->new_parent) in clk_change_rate()
1442 best_parent_rate = core->new_parent->rate; in clk_change_rate()
1443 else if (core->parent) in clk_change_rate()
1444 best_parent_rate = core->parent->rate; in clk_change_rate()
1446 if (core->new_parent && core->new_parent != core->parent) { in clk_change_rate()
1447 old_parent = __clk_set_parent_before(core, core->new_parent); in clk_change_rate()
1448 trace_clk_set_parent(core, core->new_parent); in clk_change_rate()
1450 if (core->ops->set_rate_and_parent) { in clk_change_rate()
1452 core->ops->set_rate_and_parent(core->hw, core->new_rate, in clk_change_rate()
1454 core->new_parent_index); in clk_change_rate()
1455 } else if (core->ops->set_parent) { in clk_change_rate()
1456 core->ops->set_parent(core->hw, core->new_parent_index); in clk_change_rate()
1459 trace_clk_set_parent_complete(core, core->new_parent); in clk_change_rate()
1460 __clk_set_parent_after(core, core->new_parent, old_parent); in clk_change_rate()
1463 trace_clk_set_rate(core, core->new_rate); in clk_change_rate()
1465 if (!skip_set_rate && core->ops->set_rate) in clk_change_rate()
1466 core->ops->set_rate(core->hw, core->new_rate, best_parent_rate); in clk_change_rate()
1468 trace_clk_set_rate_complete(core, core->new_rate); in clk_change_rate()
1470 core->rate = clk_recalc(core, best_parent_rate); in clk_change_rate()
1472 if (core->notifier_count && old_rate != core->rate) in clk_change_rate()
1473 __clk_notify(core, POST_RATE_CHANGE, old_rate, core->rate); in clk_change_rate()
1475 if (core->flags & CLK_RECALC_NEW_RATES) in clk_change_rate()
1476 (void)clk_calc_new_rates(core, core->new_rate); in clk_change_rate()
1482 hlist_for_each_entry_safe(child, tmp, &core->children, child_node) { in clk_change_rate()
1484 if (child->new_parent && child->new_parent != core) in clk_change_rate()
1490 if (core->new_child) in clk_change_rate()
1491 clk_change_rate(core->new_child); in clk_change_rate()
1494 static int clk_core_set_rate_nolock(struct clk_core *core, in clk_core_set_rate_nolock() argument
1501 if (!core) in clk_core_set_rate_nolock()
1505 if (rate == clk_core_get_rate_nolock(core)) in clk_core_set_rate_nolock()
1508 if ((core->flags & CLK_SET_RATE_GATE) && core->prepare_count) in clk_core_set_rate_nolock()
1512 top = clk_calc_new_rates(core, rate); in clk_core_set_rate_nolock()
1528 core->req_rate = req_rate; in clk_core_set_rate_nolock()
1564 ret = clk_core_set_rate_nolock(clk->core, rate); in clk_set_rate()
1589 __func__, clk->core->name, clk->dev_id, clk->con_id, in clk_set_rate_range()
1599 ret = clk_core_set_rate_nolock(clk->core, clk->core->req_rate); in clk_set_rate_range()
1655 parent = !clk->core->parent ? NULL : clk->core->parent->hw->clk; in clk_get_parent()
1671 static struct clk_core *__clk_init_parent(struct clk_core *core) in __clk_init_parent() argument
1678 if (!core->num_parents) in __clk_init_parent()
1681 if (core->num_parents == 1) { in __clk_init_parent()
1682 if (IS_ERR_OR_NULL(core->parent)) in __clk_init_parent()
1683 core->parent = clk_core_lookup(core->parent_names[0]); in __clk_init_parent()
1684 ret = core->parent; in __clk_init_parent()
1688 if (!core->ops->get_parent) { in __clk_init_parent()
1689 WARN(!core->ops->get_parent, in __clk_init_parent()
1701 index = core->ops->get_parent(core->hw); in __clk_init_parent()
1703 if (!core->parents) in __clk_init_parent()
1704 core->parents = in __clk_init_parent()
1705 kcalloc(core->num_parents, sizeof(struct clk *), in __clk_init_parent()
1708 ret = clk_core_get_parent_by_index(core, index); in __clk_init_parent()
1714 static void clk_core_reparent(struct clk_core *core, in clk_core_reparent() argument
1717 clk_reparent(core, new_parent); in clk_core_reparent()
1718 __clk_recalc_accuracies(core); in clk_core_reparent()
1719 __clk_recalc_rates(core, POST_RATE_CHANGE); in clk_core_reparent()
1727 clk_core_reparent(hw->core, !new_parent ? NULL : new_parent->core); in clk_hw_reparent()
1742 struct clk_core *core, *parent_core; in clk_has_parent() local
1749 core = clk->core; in clk_has_parent()
1750 parent_core = parent->core; in clk_has_parent()
1753 if (core->parent == parent_core) in clk_has_parent()
1756 for (i = 0; i < core->num_parents; i++) in clk_has_parent()
1757 if (strcmp(core->parent_names[i], parent_core->name) == 0) in clk_has_parent()
1764 static int clk_core_set_parent(struct clk_core *core, struct clk_core *parent) in clk_core_set_parent() argument
1770 if (!core) in clk_core_set_parent()
1776 if (core->parent == parent) in clk_core_set_parent()
1780 if ((core->num_parents > 1) && (!core->ops->set_parent)) { in clk_core_set_parent()
1786 if ((core->flags & CLK_SET_PARENT_GATE) && core->prepare_count) { in clk_core_set_parent()
1793 p_index = clk_fetch_parent_index(core, parent); in clk_core_set_parent()
1797 __func__, parent->name, core->name); in clk_core_set_parent()
1804 ret = __clk_speculate_rates(core, p_rate); in clk_core_set_parent()
1811 ret = __clk_set_parent(core, parent, p_index); in clk_core_set_parent()
1815 __clk_recalc_rates(core, ABORT_RATE_CHANGE); in clk_core_set_parent()
1817 __clk_recalc_rates(core, POST_RATE_CHANGE); in clk_core_set_parent()
1818 __clk_recalc_accuracies(core); in clk_core_set_parent()
1849 return clk_core_set_parent(clk->core, parent ? parent->core : NULL); in clk_set_parent()
1887 trace_clk_set_phase(clk->core, degrees); in clk_set_phase()
1889 if (clk->core->ops->set_phase) in clk_set_phase()
1890 ret = clk->core->ops->set_phase(clk->core->hw, degrees); in clk_set_phase()
1892 trace_clk_set_phase_complete(clk->core, degrees); in clk_set_phase()
1895 clk->core->phase = degrees; in clk_set_phase()
1903 static int clk_core_get_phase(struct clk_core *core) in clk_core_get_phase() argument
1908 ret = core->phase; in clk_core_get_phase()
1926 return clk_core_get_phase(clk->core); in clk_get_phase()
1949 if (p->core == q->core) in clk_is_match()
2105 static int clk_debug_create_one(struct clk_core *core, struct dentry *pdentry) in clk_debug_create_one() argument
2110 if (!core || !pdentry) { in clk_debug_create_one()
2115 d = debugfs_create_dir(core->name, pdentry); in clk_debug_create_one()
2119 core->dentry = d; in clk_debug_create_one()
2121 d = debugfs_create_u32("clk_rate", S_IRUGO, core->dentry, in clk_debug_create_one()
2122 (u32 *)&core->rate); in clk_debug_create_one()
2126 d = debugfs_create_u32("clk_accuracy", S_IRUGO, core->dentry, in clk_debug_create_one()
2127 (u32 *)&core->accuracy); in clk_debug_create_one()
2131 d = debugfs_create_u32("clk_phase", S_IRUGO, core->dentry, in clk_debug_create_one()
2132 (u32 *)&core->phase); in clk_debug_create_one()
2136 d = debugfs_create_x32("clk_flags", S_IRUGO, core->dentry, in clk_debug_create_one()
2137 (u32 *)&core->flags); in clk_debug_create_one()
2141 d = debugfs_create_u32("clk_prepare_count", S_IRUGO, core->dentry, in clk_debug_create_one()
2142 (u32 *)&core->prepare_count); in clk_debug_create_one()
2146 d = debugfs_create_u32("clk_enable_count", S_IRUGO, core->dentry, in clk_debug_create_one()
2147 (u32 *)&core->enable_count); in clk_debug_create_one()
2151 d = debugfs_create_u32("clk_notifier_count", S_IRUGO, core->dentry, in clk_debug_create_one()
2152 (u32 *)&core->notifier_count); in clk_debug_create_one()
2156 if (core->ops->debug_init) { in clk_debug_create_one()
2157 ret = core->ops->debug_init(core->hw, core->dentry); in clk_debug_create_one()
2166 debugfs_remove_recursive(core->dentry); in clk_debug_create_one()
2167 core->dentry = NULL; in clk_debug_create_one()
2180 static int clk_debug_register(struct clk_core *core) in clk_debug_register() argument
2185 hlist_add_head(&core->debug_node, &clk_debug_list); in clk_debug_register()
2190 ret = clk_debug_create_one(core, rootdir); in clk_debug_register()
2205 static void clk_debug_unregister(struct clk_core *core) in clk_debug_unregister() argument
2208 hlist_del_init(&core->debug_node); in clk_debug_unregister()
2209 debugfs_remove_recursive(core->dentry); in clk_debug_unregister()
2210 core->dentry = NULL; in clk_debug_unregister()
2219 if (hw->core->dentry) in clk_debugfs_add_file()
2220 d = debugfs_create_file(name, mode, hw->core->dentry, data, in clk_debugfs_add_file()
2238 struct clk_core *core; in clk_debug_init() local
2267 hlist_for_each_entry(core, &clk_debug_list, debug_node) in clk_debug_init()
2268 clk_debug_create_one(core, rootdir); in clk_debug_init()
2277 static inline int clk_debug_register(struct clk_core *core) { return 0; } in clk_debug_register() argument
2278 static inline void clk_debug_reparent(struct clk_core *core, in clk_debug_reparent() argument
2282 static inline void clk_debug_unregister(struct clk_core *core) in clk_debug_unregister() argument
2300 struct clk_core *core; in __clk_init() local
2306 core = clk_user->core; in __clk_init()
2311 if (clk_core_lookup(core->name)) { in __clk_init()
2313 __func__, core->name); in __clk_init()
2319 if (core->ops->set_rate && in __clk_init()
2320 !((core->ops->round_rate || core->ops->determine_rate) && in __clk_init()
2321 core->ops->recalc_rate)) { in __clk_init()
2323 __func__, core->name); in __clk_init()
2328 if (core->ops->set_parent && !core->ops->get_parent) { in __clk_init()
2330 __func__, core->name); in __clk_init()
2335 if (core->ops->set_rate_and_parent && in __clk_init()
2336 !(core->ops->set_parent && core->ops->set_rate)) { in __clk_init()
2338 __func__, core->name); in __clk_init()
2344 for (i = 0; i < core->num_parents; i++) in __clk_init()
2345 WARN(!core->parent_names[i], in __clk_init()
2347 __func__, core->name); in __clk_init()
2359 if (core->num_parents > 1 && !core->parents) { in __clk_init()
2360 core->parents = kcalloc(core->num_parents, sizeof(struct clk *), in __clk_init()
2368 if (core->parents) in __clk_init()
2369 for (i = 0; i < core->num_parents; i++) in __clk_init()
2370 core->parents[i] = in __clk_init()
2371 clk_core_lookup(core->parent_names[i]); in __clk_init()
2374 core->parent = __clk_init_parent(core); in __clk_init()
2386 if (core->parent) { in __clk_init()
2387 hlist_add_head(&core->child_node, in __clk_init()
2388 &core->parent->children); in __clk_init()
2389 core->orphan = core->parent->orphan; in __clk_init()
2390 } else if (core->flags & CLK_IS_ROOT) { in __clk_init()
2391 hlist_add_head(&core->child_node, &clk_root_list); in __clk_init()
2392 core->orphan = false; in __clk_init()
2394 hlist_add_head(&core->child_node, &clk_orphan_list); in __clk_init()
2395 core->orphan = true; in __clk_init()
2405 if (core->ops->recalc_accuracy) in __clk_init()
2406 core->accuracy = core->ops->recalc_accuracy(core->hw, in __clk_init()
2407 __clk_get_accuracy(core->parent)); in __clk_init()
2408 else if (core->parent) in __clk_init()
2409 core->accuracy = core->parent->accuracy; in __clk_init()
2411 core->accuracy = 0; in __clk_init()
2418 if (core->ops->get_phase) in __clk_init()
2419 core->phase = core->ops->get_phase(core->hw); in __clk_init()
2421 core->phase = 0; in __clk_init()
2429 if (core->ops->recalc_rate) in __clk_init()
2430 rate = core->ops->recalc_rate(core->hw, in __clk_init()
2431 clk_core_get_rate_nolock(core->parent)); in __clk_init()
2432 else if (core->parent) in __clk_init()
2433 rate = core->parent->rate; in __clk_init()
2436 core->rate = core->req_rate = rate; in __clk_init()
2446 !strcmp(core->name, orphan->parent_names[i])) in __clk_init()
2447 clk_core_reparent(orphan, core); in __clk_init()
2452 if (!strcmp(core->name, orphan->parent_names[i])) { in __clk_init()
2453 clk_core_reparent(orphan, core); in __clk_init()
2466 if (core->ops->init) in __clk_init()
2467 core->ops->init(core->hw); in __clk_init()
2469 kref_init(&core->ref); in __clk_init()
2474 clk_debug_register(core); in __clk_init()
2492 clk->core = hw->core; in __clk_create_clk()
2498 hlist_add_head(&clk->clks_node, &hw->core->clks); in __clk_create_clk()
2527 struct clk_core *core; in clk_register() local
2529 core = kzalloc(sizeof(*core), GFP_KERNEL); in clk_register()
2530 if (!core) { in clk_register()
2535 core->name = kstrdup_const(hw->init->name, GFP_KERNEL); in clk_register()
2536 if (!core->name) { in clk_register()
2540 core->ops = hw->init->ops; in clk_register()
2542 core->owner = dev->driver->owner; in clk_register()
2543 core->hw = hw; in clk_register()
2544 core->flags = hw->init->flags; in clk_register()
2545 core->num_parents = hw->init->num_parents; in clk_register()
2546 core->min_rate = 0; in clk_register()
2547 core->max_rate = ULONG_MAX; in clk_register()
2548 hw->core = core; in clk_register()
2551 core->parent_names = kcalloc(core->num_parents, sizeof(char *), in clk_register()
2554 if (!core->parent_names) { in clk_register()
2561 for (i = 0; i < core->num_parents; i++) { in clk_register()
2562 core->parent_names[i] = kstrdup_const(hw->init->parent_names[i], in clk_register()
2564 if (!core->parent_names[i]) { in clk_register()
2570 INIT_HLIST_HEAD(&core->clks); in clk_register()
2587 kfree_const(core->parent_names[i]); in clk_register()
2588 kfree(core->parent_names); in clk_register()
2590 kfree_const(core->name); in clk_register()
2592 kfree(core); in clk_register()
2601 struct clk_core *core = container_of(ref, struct clk_core, ref); in __clk_release() local
2602 int i = core->num_parents; in __clk_release()
2606 kfree(core->parents); in __clk_release()
2608 kfree_const(core->parent_names[i]); in __clk_release()
2610 kfree(core->parent_names); in __clk_release()
2611 kfree_const(core->name); in __clk_release()
2612 kfree(core); in __clk_release()
2661 clk_debug_unregister(clk->core); in clk_unregister()
2665 if (clk->core->ops == &clk_nodrv_ops) { in clk_unregister()
2667 clk->core->name); in clk_unregister()
2675 clk->core->ops = &clk_nodrv_ops; in clk_unregister()
2678 if (!hlist_empty(&clk->core->children)) { in clk_unregister()
2683 hlist_for_each_entry_safe(child, t, &clk->core->children, in clk_unregister()
2688 hlist_del_init(&clk->core->child_node); in clk_unregister()
2690 if (clk->core->prepare_count) in clk_unregister()
2692 __func__, clk->core->name); in clk_unregister()
2693 kref_put(&clk->core->ref, __clk_release); in clk_unregister()
2761 struct clk_core *core = !clk ? NULL : clk->core; in __clk_get() local
2763 if (core) { in __clk_get()
2764 if (!try_module_get(core->owner)) in __clk_get()
2767 kref_get(&core->ref); in __clk_get()
2782 if (clk->min_rate > clk->core->req_rate || in __clk_put()
2783 clk->max_rate < clk->core->req_rate) in __clk_put()
2784 clk_core_set_rate_nolock(clk->core, clk->core->req_rate); in __clk_put()
2786 owner = clk->core->owner; in __clk_put()
2787 kref_put(&clk->core->ref, __clk_release); in __clk_put()
2848 clk->core->notifier_count++; in clk_notifier_register()
2885 clk->core->notifier_count--; in clk_notifier_unregister()