Lines Matching refs:core
54 struct clk_core *core; member
103 struct clk_core *core; member
114 static int clk_pm_runtime_get(struct clk_core *core) in clk_pm_runtime_get() argument
116 if (!core->rpm_enabled) in clk_pm_runtime_get()
119 return pm_runtime_resume_and_get(core->dev); in clk_pm_runtime_get()
122 static void clk_pm_runtime_put(struct clk_core *core) in clk_pm_runtime_put() argument
124 if (!core->rpm_enabled) in clk_pm_runtime_put()
127 pm_runtime_put_sync(core->dev); in clk_pm_runtime_put()
148 struct clk_core *core, *failed; in clk_pm_runtime_get_all() local
161 hlist_for_each_entry(core, &clk_rpm_list, rpm_node) { in clk_pm_runtime_get_all()
162 ret = clk_pm_runtime_get(core); in clk_pm_runtime_get_all()
164 failed = core; in clk_pm_runtime_get_all()
174 hlist_for_each_entry(core, &clk_rpm_list, rpm_node) { in clk_pm_runtime_get_all()
175 if (core == failed) in clk_pm_runtime_get_all()
178 clk_pm_runtime_put(core); in clk_pm_runtime_get_all()
193 struct clk_core *core; in clk_pm_runtime_put_all() local
195 hlist_for_each_entry(core, &clk_rpm_list, rpm_node) in clk_pm_runtime_put_all()
196 clk_pm_runtime_put(core); in clk_pm_runtime_put_all()
200 static void clk_pm_runtime_init(struct clk_core *core) in clk_pm_runtime_init() argument
202 struct device *dev = core->dev; in clk_pm_runtime_init()
205 core->rpm_enabled = true; in clk_pm_runtime_init()
208 hlist_add_head(&core->rpm_node, &clk_rpm_list); in clk_pm_runtime_init()
282 static bool clk_core_rate_is_protected(struct clk_core *core) in clk_core_rate_is_protected() argument
284 return core->protect_count; in clk_core_rate_is_protected()
287 static bool clk_core_is_prepared(struct clk_core *core) in clk_core_is_prepared() argument
295 if (!core->ops->is_prepared) in clk_core_is_prepared()
296 return core->prepare_count; in clk_core_is_prepared()
298 if (!clk_pm_runtime_get(core)) { in clk_core_is_prepared()
299 ret = core->ops->is_prepared(core->hw); in clk_core_is_prepared()
300 clk_pm_runtime_put(core); in clk_core_is_prepared()
306 static bool clk_core_is_enabled(struct clk_core *core) in clk_core_is_enabled() argument
314 if (!core->ops->is_enabled) in clk_core_is_enabled()
315 return core->enable_count; in clk_core_is_enabled()
327 if (core->rpm_enabled) { in clk_core_is_enabled()
328 pm_runtime_get_noresume(core->dev); in clk_core_is_enabled()
329 if (!pm_runtime_active(core->dev)) { in clk_core_is_enabled()
340 if ((core->flags & CLK_OPS_PARENT_ENABLE) && core->parent) in clk_core_is_enabled()
341 if (!clk_core_is_enabled(core->parent)) { in clk_core_is_enabled()
346 ret = core->ops->is_enabled(core->hw); in clk_core_is_enabled()
348 if (core->rpm_enabled) in clk_core_is_enabled()
349 pm_runtime_put(core->dev); in clk_core_is_enabled()
358 return !clk ? NULL : clk->core->name; in __clk_get_name()
364 return hw->core->name; in clk_hw_get_name()
370 return !clk ? NULL : clk->core->hw; in __clk_get_hw()
376 return hw->core->num_parents; in clk_hw_get_num_parents()
382 return hw->core->parent ? hw->core->parent->hw : NULL; in clk_hw_get_parent()
387 struct clk_core *core) in __clk_lookup_subtree() argument
392 if (!strcmp(core->name, name)) in __clk_lookup_subtree()
393 return core; in __clk_lookup_subtree()
395 hlist_for_each_entry(child, &core->children, child_node) { in __clk_lookup_subtree()
484 static struct clk_core *clk_core_get(struct clk_core *core, u8 p_index) in clk_core_get() argument
486 const char *name = core->parents[p_index].fw_name; in clk_core_get()
487 int index = core->parents[p_index].index; in clk_core_get()
489 struct device *dev = core->dev; in clk_core_get()
491 struct device_node *np = core->of_node; in clk_core_get()
512 return hw->core; in clk_core_get()
515 static void clk_core_fill_parent_index(struct clk_core *core, u8 index) in clk_core_fill_parent_index() argument
517 struct clk_parent_map *entry = &core->parents[index]; in clk_core_fill_parent_index()
521 parent = entry->hw->core; in clk_core_fill_parent_index()
523 parent = clk_core_get(core, index); in clk_core_fill_parent_index()
538 entry->core = parent; in clk_core_fill_parent_index()
541 static struct clk_core *clk_core_get_parent_by_index(struct clk_core *core, in clk_core_get_parent_by_index() argument
544 if (!core || index >= core->num_parents || !core->parents) in clk_core_get_parent_by_index()
547 if (!core->parents[index].core) in clk_core_get_parent_by_index()
548 clk_core_fill_parent_index(core, index); in clk_core_get_parent_by_index()
550 return core->parents[index].core; in clk_core_get_parent_by_index()
558 parent = clk_core_get_parent_by_index(hw->core, index); in clk_hw_get_parent_by_index()
566 return !clk ? 0 : clk->core->enable_count; in __clk_get_enable_count()
569 static unsigned long clk_core_get_rate_nolock(struct clk_core *core) in clk_core_get_rate_nolock() argument
571 if (!core) in clk_core_get_rate_nolock()
574 if (!core->num_parents || core->parent) in clk_core_get_rate_nolock()
575 return core->rate; in clk_core_get_rate_nolock()
587 return clk_core_get_rate_nolock(hw->core); in clk_hw_get_rate()
591 static unsigned long clk_core_get_accuracy_no_lock(struct clk_core *core) in clk_core_get_accuracy_no_lock() argument
593 if (!core) in clk_core_get_accuracy_no_lock()
596 return core->accuracy; in clk_core_get_accuracy_no_lock()
601 return hw->core->flags; in clk_hw_get_flags()
607 return clk_core_is_prepared(hw->core); in clk_hw_is_prepared()
613 return clk_core_is_enabled(hw->core); in clk_hw_is_enabled()
622 return clk_core_is_enabled(clk->core); in __clk_is_enabled()
635 static void clk_core_init_rate_req(struct clk_core * const core,
639 static int clk_core_round_rate_nolock(struct clk_core *core,
642 static bool clk_core_has_parent(struct clk_core *core, const struct clk_core *parent) in clk_core_has_parent() argument
648 if (core->parent == parent) in clk_core_has_parent()
651 for (i = 0; i < core->num_parents; i++) { in clk_core_has_parent()
652 tmp = clk_core_get_parent_by_index(core, i); in clk_core_has_parent()
664 clk_core_forward_rate_req(struct clk_core *core, in clk_core_forward_rate_req() argument
670 if (WARN_ON(!clk_core_has_parent(core, parent))) in clk_core_forward_rate_req()
686 struct clk_core *core = hw->core; in clk_core_determine_rate_no_reparent() local
687 struct clk_core *parent = core->parent; in clk_core_determine_rate_no_reparent()
691 if (core->flags & CLK_SET_RATE_PARENT) { in clk_core_determine_rate_no_reparent()
699 clk_core_forward_rate_req(core, req, parent, &parent_req, in clk_core_determine_rate_no_reparent()
714 best = clk_core_get_rate_nolock(core); in clk_core_determine_rate_no_reparent()
727 struct clk_core *core = hw->core, *parent, *best_parent = NULL; in clk_mux_determine_rate_flags() local
732 if (core->flags & CLK_SET_RATE_NO_REPARENT) in clk_mux_determine_rate_flags()
736 num_parents = core->num_parents; in clk_mux_determine_rate_flags()
740 parent = clk_core_get_parent_by_index(core, i); in clk_mux_determine_rate_flags()
744 if (core->flags & CLK_SET_RATE_PARENT) { in clk_mux_determine_rate_flags()
747 clk_core_forward_rate_req(core, req, parent, &parent_req, req->rate); in clk_mux_determine_rate_flags()
782 struct clk_core *core = clk_core_lookup(name); in __clk_lookup() local
784 return !core ? NULL : core->hw->clk; in __clk_lookup()
787 static void clk_core_get_boundaries(struct clk_core *core, in clk_core_get_boundaries() argument
795 *min_rate = core->min_rate; in clk_core_get_boundaries()
796 *max_rate = core->max_rate; in clk_core_get_boundaries()
798 hlist_for_each_entry(clk_user, &core->clks, clks_node) in clk_core_get_boundaries()
801 hlist_for_each_entry(clk_user, &core->clks, clks_node) in clk_core_get_boundaries()
817 clk_core_get_boundaries(hw->core, min_rate, max_rate); in clk_hw_get_rate_range()
821 static bool clk_core_check_boundaries(struct clk_core *core, in clk_core_check_boundaries() argument
829 if (min_rate > core->max_rate || max_rate < core->min_rate) in clk_core_check_boundaries()
832 hlist_for_each_entry(user, &core->clks, clks_node) in clk_core_check_boundaries()
842 hw->core->min_rate = min_rate; in clk_hw_set_rate_range()
843 hw->core->max_rate = max_rate; in clk_hw_set_rate_range()
893 static void clk_core_rate_unprotect(struct clk_core *core) in clk_core_rate_unprotect() argument
897 if (!core) in clk_core_rate_unprotect()
900 if (WARN(core->protect_count == 0, in clk_core_rate_unprotect()
901 "%s already unprotected\n", core->name)) in clk_core_rate_unprotect()
904 if (--core->protect_count > 0) in clk_core_rate_unprotect()
907 clk_core_rate_unprotect(core->parent); in clk_core_rate_unprotect()
910 static int clk_core_rate_nuke_protect(struct clk_core *core) in clk_core_rate_nuke_protect() argument
916 if (!core) in clk_core_rate_nuke_protect()
919 if (core->protect_count == 0) in clk_core_rate_nuke_protect()
922 ret = core->protect_count; in clk_core_rate_nuke_protect()
923 core->protect_count = 1; in clk_core_rate_nuke_protect()
924 clk_core_rate_unprotect(core); in clk_core_rate_nuke_protect()
961 clk_core_rate_unprotect(clk->core); in clk_rate_exclusive_put()
968 static void clk_core_rate_protect(struct clk_core *core) in clk_core_rate_protect() argument
972 if (!core) in clk_core_rate_protect()
975 if (core->protect_count == 0) in clk_core_rate_protect()
976 clk_core_rate_protect(core->parent); in clk_core_rate_protect()
978 core->protect_count++; in clk_core_rate_protect()
981 static void clk_core_rate_restore_protect(struct clk_core *core, int count) in clk_core_rate_restore_protect() argument
985 if (!core) in clk_core_rate_restore_protect()
991 clk_core_rate_protect(core); in clk_core_rate_restore_protect()
992 core->protect_count = count; in clk_core_rate_restore_protect()
1019 clk_core_rate_protect(clk->core); in clk_rate_exclusive_get()
1046 static void clk_core_unprepare(struct clk_core *core) in clk_core_unprepare() argument
1050 if (!core) in clk_core_unprepare()
1053 if (WARN(core->prepare_count == 0, in clk_core_unprepare()
1054 "%s already unprepared\n", core->name)) in clk_core_unprepare()
1057 if (WARN(core->prepare_count == 1 && core->flags & CLK_IS_CRITICAL, in clk_core_unprepare()
1058 "Unpreparing critical %s\n", core->name)) in clk_core_unprepare()
1061 if (core->flags & CLK_SET_RATE_GATE) in clk_core_unprepare()
1062 clk_core_rate_unprotect(core); in clk_core_unprepare()
1064 if (--core->prepare_count > 0) in clk_core_unprepare()
1067 WARN(core->enable_count > 0, "Unpreparing enabled %s\n", core->name); in clk_core_unprepare()
1069 trace_clk_unprepare(core); in clk_core_unprepare()
1071 if (core->ops->unprepare) in clk_core_unprepare()
1072 core->ops->unprepare(core->hw); in clk_core_unprepare()
1074 trace_clk_unprepare_complete(core); in clk_core_unprepare()
1075 clk_core_unprepare(core->parent); in clk_core_unprepare()
1076 clk_pm_runtime_put(core); in clk_core_unprepare()
1079 static void clk_core_unprepare_lock(struct clk_core *core) in clk_core_unprepare_lock() argument
1082 clk_core_unprepare(core); in clk_core_unprepare_lock()
1102 clk_core_unprepare_lock(clk->core); in clk_unprepare()
1106 static int clk_core_prepare(struct clk_core *core) in clk_core_prepare() argument
1112 if (!core) in clk_core_prepare()
1115 if (core->prepare_count == 0) { in clk_core_prepare()
1116 ret = clk_pm_runtime_get(core); in clk_core_prepare()
1120 ret = clk_core_prepare(core->parent); in clk_core_prepare()
1124 trace_clk_prepare(core); in clk_core_prepare()
1126 if (core->ops->prepare) in clk_core_prepare()
1127 ret = core->ops->prepare(core->hw); in clk_core_prepare()
1129 trace_clk_prepare_complete(core); in clk_core_prepare()
1135 core->prepare_count++; in clk_core_prepare()
1144 if (core->flags & CLK_SET_RATE_GATE) in clk_core_prepare()
1145 clk_core_rate_protect(core); in clk_core_prepare()
1149 clk_core_unprepare(core->parent); in clk_core_prepare()
1151 clk_pm_runtime_put(core); in clk_core_prepare()
1155 static int clk_core_prepare_lock(struct clk_core *core) in clk_core_prepare_lock() argument
1160 ret = clk_core_prepare(core); in clk_core_prepare_lock()
1183 return clk_core_prepare_lock(clk->core); in clk_prepare()
1187 static void clk_core_disable(struct clk_core *core) in clk_core_disable() argument
1191 if (!core) in clk_core_disable()
1194 if (WARN(core->enable_count == 0, "%s already disabled\n", core->name)) in clk_core_disable()
1197 if (WARN(core->enable_count == 1 && core->flags & CLK_IS_CRITICAL, in clk_core_disable()
1198 "Disabling critical %s\n", core->name)) in clk_core_disable()
1201 if (--core->enable_count > 0) in clk_core_disable()
1204 trace_clk_disable(core); in clk_core_disable()
1206 if (core->ops->disable) in clk_core_disable()
1207 core->ops->disable(core->hw); in clk_core_disable()
1209 trace_clk_disable_complete(core); in clk_core_disable()
1211 clk_core_disable(core->parent); in clk_core_disable()
1214 static void clk_core_disable_lock(struct clk_core *core) in clk_core_disable_lock() argument
1219 clk_core_disable(core); in clk_core_disable_lock()
1240 clk_core_disable_lock(clk->core); in clk_disable()
1244 static int clk_core_enable(struct clk_core *core) in clk_core_enable() argument
1250 if (!core) in clk_core_enable()
1253 if (WARN(core->prepare_count == 0, in clk_core_enable()
1254 "Enabling unprepared %s\n", core->name)) in clk_core_enable()
1257 if (core->enable_count == 0) { in clk_core_enable()
1258 ret = clk_core_enable(core->parent); in clk_core_enable()
1263 trace_clk_enable(core); in clk_core_enable()
1265 if (core->ops->enable) in clk_core_enable()
1266 ret = core->ops->enable(core->hw); in clk_core_enable()
1268 trace_clk_enable_complete(core); in clk_core_enable()
1271 clk_core_disable(core->parent); in clk_core_enable()
1276 core->enable_count++; in clk_core_enable()
1280 static int clk_core_enable_lock(struct clk_core *core) in clk_core_enable_lock() argument
1286 ret = clk_core_enable(core); in clk_core_enable_lock()
1304 struct clk_core *core = hw->core; in clk_gate_restore_context() local
1306 if (core->enable_count) in clk_gate_restore_context()
1307 core->ops->enable(hw); in clk_gate_restore_context()
1309 core->ops->disable(hw); in clk_gate_restore_context()
1313 static int clk_core_save_context(struct clk_core *core) in clk_core_save_context() argument
1318 hlist_for_each_entry(child, &core->children, child_node) { in clk_core_save_context()
1324 if (core->ops && core->ops->save_context) in clk_core_save_context()
1325 ret = core->ops->save_context(core->hw); in clk_core_save_context()
1330 static void clk_core_restore_context(struct clk_core *core) in clk_core_restore_context() argument
1334 if (core->ops && core->ops->restore_context) in clk_core_restore_context()
1335 core->ops->restore_context(core->hw); in clk_core_restore_context()
1337 hlist_for_each_entry(child, &core->children, child_node) in clk_core_restore_context()
1377 struct clk_core *core; in clk_restore_context() local
1379 hlist_for_each_entry(core, &clk_root_list, child_node) in clk_restore_context()
1380 clk_core_restore_context(core); in clk_restore_context()
1382 hlist_for_each_entry(core, &clk_orphan_list, child_node) in clk_restore_context()
1383 clk_core_restore_context(core); in clk_restore_context()
1405 return clk_core_enable_lock(clk->core); in clk_enable()
1426 return clk && !(clk->core->ops->enable && clk->core->ops->disable); in clk_is_enabled_when_prepared()
1430 static int clk_core_prepare_enable(struct clk_core *core) in clk_core_prepare_enable() argument
1434 ret = clk_core_prepare_lock(core); in clk_core_prepare_enable()
1438 ret = clk_core_enable_lock(core); in clk_core_prepare_enable()
1440 clk_core_unprepare_lock(core); in clk_core_prepare_enable()
1445 static void clk_core_disable_unprepare(struct clk_core *core) in clk_core_disable_unprepare() argument
1447 clk_core_disable_lock(core); in clk_core_disable_unprepare()
1448 clk_core_unprepare_lock(core); in clk_core_disable_unprepare()
1451 static void __init clk_unprepare_unused_subtree(struct clk_core *core) in clk_unprepare_unused_subtree() argument
1457 hlist_for_each_entry(child, &core->children, child_node) in clk_unprepare_unused_subtree()
1460 if (core->prepare_count) in clk_unprepare_unused_subtree()
1463 if (core->flags & CLK_IGNORE_UNUSED) in clk_unprepare_unused_subtree()
1466 if (clk_core_is_prepared(core)) { in clk_unprepare_unused_subtree()
1467 trace_clk_unprepare(core); in clk_unprepare_unused_subtree()
1468 if (core->ops->unprepare_unused) in clk_unprepare_unused_subtree()
1469 core->ops->unprepare_unused(core->hw); in clk_unprepare_unused_subtree()
1470 else if (core->ops->unprepare) in clk_unprepare_unused_subtree()
1471 core->ops->unprepare(core->hw); in clk_unprepare_unused_subtree()
1472 trace_clk_unprepare_complete(core); in clk_unprepare_unused_subtree()
1476 static void __init clk_disable_unused_subtree(struct clk_core *core) in clk_disable_unused_subtree() argument
1483 hlist_for_each_entry(child, &core->children, child_node) in clk_disable_unused_subtree()
1486 if (core->flags & CLK_OPS_PARENT_ENABLE) in clk_disable_unused_subtree()
1487 clk_core_prepare_enable(core->parent); in clk_disable_unused_subtree()
1491 if (core->enable_count) in clk_disable_unused_subtree()
1494 if (core->flags & CLK_IGNORE_UNUSED) in clk_disable_unused_subtree()
1502 if (clk_core_is_enabled(core)) { in clk_disable_unused_subtree()
1503 trace_clk_disable(core); in clk_disable_unused_subtree()
1504 if (core->ops->disable_unused) in clk_disable_unused_subtree()
1505 core->ops->disable_unused(core->hw); in clk_disable_unused_subtree()
1506 else if (core->ops->disable) in clk_disable_unused_subtree()
1507 core->ops->disable(core->hw); in clk_disable_unused_subtree()
1508 trace_clk_disable_complete(core); in clk_disable_unused_subtree()
1513 if (core->flags & CLK_OPS_PARENT_ENABLE) in clk_disable_unused_subtree()
1514 clk_core_disable_unprepare(core->parent); in clk_disable_unused_subtree()
1527 struct clk_core *core; in clk_disable_unused() local
1546 hlist_for_each_entry(core, &clk_root_list, child_node) in clk_disable_unused()
1547 clk_disable_unused_subtree(core); in clk_disable_unused()
1549 hlist_for_each_entry(core, &clk_orphan_list, child_node) in clk_disable_unused()
1550 clk_disable_unused_subtree(core); in clk_disable_unused()
1552 hlist_for_each_entry(core, &clk_root_list, child_node) in clk_disable_unused()
1553 clk_unprepare_unused_subtree(core); in clk_disable_unused()
1555 hlist_for_each_entry(core, &clk_orphan_list, child_node) in clk_disable_unused()
1556 clk_unprepare_unused_subtree(core); in clk_disable_unused()
1566 static int clk_core_determine_round_nolock(struct clk_core *core, in clk_core_determine_round_nolock() argument
1573 if (!core) in clk_core_determine_round_nolock()
1586 __func__, core->name); in clk_core_determine_round_nolock()
1596 if (clk_core_rate_is_protected(core)) { in clk_core_determine_round_nolock()
1597 req->rate = core->rate; in clk_core_determine_round_nolock()
1598 } else if (core->ops->determine_rate) { in clk_core_determine_round_nolock()
1599 return core->ops->determine_rate(core->hw, req); in clk_core_determine_round_nolock()
1600 } else if (core->ops->round_rate) { in clk_core_determine_round_nolock()
1601 rate = core->ops->round_rate(core->hw, req->rate, in clk_core_determine_round_nolock()
1614 static void clk_core_init_rate_req(struct clk_core * const core, in clk_core_init_rate_req() argument
1626 if (!core) in clk_core_init_rate_req()
1629 req->core = core; in clk_core_init_rate_req()
1631 clk_core_get_boundaries(core, &req->min_rate, &req->max_rate); in clk_core_init_rate_req()
1633 parent = core->parent; in clk_core_init_rate_req()
1659 clk_core_init_rate_req(hw->core, req, rate); in clk_hw_init_rate_request()
1683 clk_core_forward_rate_req(hw->core, old_req, in clk_hw_forward_rate_request()
1684 parent->core, req, in clk_hw_forward_rate_request()
1689 static bool clk_core_can_round(struct clk_core * const core) in clk_core_can_round() argument
1691 return core->ops->determine_rate || core->ops->round_rate; in clk_core_can_round()
1694 static int clk_core_round_rate_nolock(struct clk_core *core, in clk_core_round_rate_nolock() argument
1701 if (!core) { in clk_core_round_rate_nolock()
1706 if (clk_core_can_round(core)) in clk_core_round_rate_nolock()
1707 return clk_core_determine_round_nolock(core, req); in clk_core_round_rate_nolock()
1709 if (core->flags & CLK_SET_RATE_PARENT) { in clk_core_round_rate_nolock()
1712 clk_core_forward_rate_req(core, req, core->parent, &parent_req, req->rate); in clk_core_round_rate_nolock()
1716 ret = clk_core_round_rate_nolock(core->parent, &parent_req); in clk_core_round_rate_nolock()
1728 req->rate = core->rate; in clk_core_round_rate_nolock()
1746 return clk_core_round_rate_nolock(hw->core, req); in __clk_determine_rate()
1770 clk_core_init_rate_req(hw->core, &req, rate); in clk_hw_round_rate()
1774 ret = clk_core_round_rate_nolock(hw->core, &req); in clk_hw_round_rate()
1804 clk_core_rate_unprotect(clk->core); in clk_round_rate()
1806 clk_core_init_rate_req(clk->core, &req, rate); in clk_round_rate()
1810 ret = clk_core_round_rate_nolock(clk->core, &req); in clk_round_rate()
1815 clk_core_rate_protect(clk->core); in clk_round_rate()
1840 static int __clk_notify(struct clk_core *core, unsigned long msg, in __clk_notify() argument
1851 if (cn->clk->core == core) { in __clk_notify()
1872 static void __clk_recalc_accuracies(struct clk_core *core) in __clk_recalc_accuracies() argument
1879 if (core->parent) in __clk_recalc_accuracies()
1880 parent_accuracy = core->parent->accuracy; in __clk_recalc_accuracies()
1882 if (core->ops->recalc_accuracy) in __clk_recalc_accuracies()
1883 core->accuracy = core->ops->recalc_accuracy(core->hw, in __clk_recalc_accuracies()
1886 core->accuracy = parent_accuracy; in __clk_recalc_accuracies()
1888 hlist_for_each_entry(child, &core->children, child_node) in __clk_recalc_accuracies()
1892 static long clk_core_get_accuracy_recalc(struct clk_core *core) in clk_core_get_accuracy_recalc() argument
1894 if (core && (core->flags & CLK_GET_ACCURACY_NOCACHE)) in clk_core_get_accuracy_recalc()
1895 __clk_recalc_accuracies(core); in clk_core_get_accuracy_recalc()
1897 return clk_core_get_accuracy_no_lock(core); in clk_core_get_accuracy_recalc()
1917 accuracy = clk_core_get_accuracy_recalc(clk->core); in clk_get_accuracy()
1924 static unsigned long clk_recalc(struct clk_core *core, in clk_recalc() argument
1929 if (core->ops->recalc_rate && !clk_pm_runtime_get(core)) { in clk_recalc()
1930 rate = core->ops->recalc_rate(core->hw, parent_rate); in clk_recalc()
1931 clk_pm_runtime_put(core); in clk_recalc()
1949 static void __clk_recalc_rates(struct clk_core *core, bool update_req, in __clk_recalc_rates() argument
1958 old_rate = core->rate; in __clk_recalc_rates()
1960 if (core->parent) in __clk_recalc_rates()
1961 parent_rate = core->parent->rate; in __clk_recalc_rates()
1963 core->rate = clk_recalc(core, parent_rate); in __clk_recalc_rates()
1965 core->req_rate = core->rate; in __clk_recalc_rates()
1971 if (core->notifier_count && msg) in __clk_recalc_rates()
1972 __clk_notify(core, msg, old_rate, core->rate); in __clk_recalc_rates()
1974 hlist_for_each_entry(child, &core->children, child_node) in __clk_recalc_rates()
1978 static unsigned long clk_core_get_rate_recalc(struct clk_core *core) in clk_core_get_rate_recalc() argument
1980 if (core && (core->flags & CLK_GET_RATE_NOCACHE)) in clk_core_get_rate_recalc()
1981 __clk_recalc_rates(core, false, 0); in clk_core_get_rate_recalc()
1983 return clk_core_get_rate_nolock(core); in clk_core_get_rate_recalc()
2003 rate = clk_core_get_rate_recalc(clk->core); in clk_get_rate()
2010 static int clk_fetch_parent_index(struct clk_core *core, in clk_fetch_parent_index() argument
2018 for (i = 0; i < core->num_parents; i++) { in clk_fetch_parent_index()
2020 if (core->parents[i].core == parent) in clk_fetch_parent_index()
2024 if (core->parents[i].core) in clk_fetch_parent_index()
2028 if (core->parents[i].hw) { in clk_fetch_parent_index()
2029 if (core->parents[i].hw == parent->hw) in clk_fetch_parent_index()
2037 if (parent == clk_core_get(core, i)) in clk_fetch_parent_index()
2041 if (core->parents[i].name && in clk_fetch_parent_index()
2042 !strcmp(parent->name, core->parents[i].name)) in clk_fetch_parent_index()
2046 if (i == core->num_parents) in clk_fetch_parent_index()
2049 core->parents[i].core = parent; in clk_fetch_parent_index()
2067 return clk_fetch_parent_index(hw->core, parent->core); in clk_hw_get_parent_index()
2074 static void clk_core_update_orphan_status(struct clk_core *core, bool is_orphan) in clk_core_update_orphan_status() argument
2078 core->orphan = is_orphan; in clk_core_update_orphan_status()
2080 hlist_for_each_entry(child, &core->children, child_node) in clk_core_update_orphan_status()
2084 static void clk_reparent(struct clk_core *core, struct clk_core *new_parent) in clk_reparent() argument
2086 bool was_orphan = core->orphan; in clk_reparent()
2088 hlist_del(&core->child_node); in clk_reparent()
2094 if (new_parent->new_child == core) in clk_reparent()
2097 hlist_add_head(&core->child_node, &new_parent->children); in clk_reparent()
2100 clk_core_update_orphan_status(core, becomes_orphan); in clk_reparent()
2102 hlist_add_head(&core->child_node, &clk_orphan_list); in clk_reparent()
2104 clk_core_update_orphan_status(core, true); in clk_reparent()
2107 core->parent = new_parent; in clk_reparent()
2110 static struct clk_core *__clk_set_parent_before(struct clk_core *core, in __clk_set_parent_before() argument
2114 struct clk_core *old_parent = core->parent; in __clk_set_parent_before()
2137 if (core->flags & CLK_OPS_PARENT_ENABLE) { in __clk_set_parent_before()
2143 if (core->prepare_count) { in __clk_set_parent_before()
2145 clk_core_enable_lock(core); in __clk_set_parent_before()
2150 clk_reparent(core, parent); in __clk_set_parent_before()
2156 static void __clk_set_parent_after(struct clk_core *core, in __clk_set_parent_after() argument
2164 if (core->prepare_count) { in __clk_set_parent_after()
2165 clk_core_disable_lock(core); in __clk_set_parent_after()
2170 if (core->flags & CLK_OPS_PARENT_ENABLE) { in __clk_set_parent_after()
2176 static int __clk_set_parent(struct clk_core *core, struct clk_core *parent, in __clk_set_parent() argument
2183 old_parent = __clk_set_parent_before(core, parent); in __clk_set_parent()
2185 trace_clk_set_parent(core, parent); in __clk_set_parent()
2188 if (parent && core->ops->set_parent) in __clk_set_parent()
2189 ret = core->ops->set_parent(core->hw, p_index); in __clk_set_parent()
2191 trace_clk_set_parent_complete(core, parent); in __clk_set_parent()
2195 clk_reparent(core, old_parent); in __clk_set_parent()
2198 __clk_set_parent_after(core, old_parent, parent); in __clk_set_parent()
2203 __clk_set_parent_after(core, parent, old_parent); in __clk_set_parent()
2222 static int __clk_speculate_rates(struct clk_core *core, in __clk_speculate_rates() argument
2231 new_rate = clk_recalc(core, parent_rate); in __clk_speculate_rates()
2234 if (core->notifier_count) in __clk_speculate_rates()
2235 ret = __clk_notify(core, PRE_RATE_CHANGE, core->rate, new_rate); in __clk_speculate_rates()
2239 __func__, core->name, ret); in __clk_speculate_rates()
2243 hlist_for_each_entry(child, &core->children, child_node) { in __clk_speculate_rates()
2253 static void clk_calc_subtree(struct clk_core *core, unsigned long new_rate, in clk_calc_subtree() argument
2258 core->new_rate = new_rate; in clk_calc_subtree()
2259 core->new_parent = new_parent; in clk_calc_subtree()
2260 core->new_parent_index = p_index; in clk_calc_subtree()
2262 core->new_child = NULL; in clk_calc_subtree()
2263 if (new_parent && new_parent != core->parent) in clk_calc_subtree()
2264 new_parent->new_child = core; in clk_calc_subtree()
2266 hlist_for_each_entry(child, &core->children, child_node) { in clk_calc_subtree()
2276 static struct clk_core *clk_calc_new_rates(struct clk_core *core, in clk_calc_new_rates() argument
2279 struct clk_core *top = core; in clk_calc_new_rates()
2289 if (IS_ERR_OR_NULL(core)) in clk_calc_new_rates()
2293 parent = old_parent = core->parent; in clk_calc_new_rates()
2297 clk_core_get_boundaries(core, &min_rate, &max_rate); in clk_calc_new_rates()
2300 if (clk_core_can_round(core)) { in clk_calc_new_rates()
2303 clk_core_init_rate_req(core, &req, rate); in clk_calc_new_rates()
2307 ret = clk_core_determine_round_nolock(core, &req); in clk_calc_new_rates()
2315 parent = req.best_parent_hw ? req.best_parent_hw->core : NULL; in clk_calc_new_rates()
2319 } else if (!parent || !(core->flags & CLK_SET_RATE_PARENT)) { in clk_calc_new_rates()
2321 core->new_rate = core->rate; in clk_calc_new_rates()
2332 (core->flags & CLK_SET_PARENT_GATE) && core->prepare_count) { in clk_calc_new_rates()
2334 __func__, core->name); in clk_calc_new_rates()
2339 if (parent && core->num_parents > 1) { in clk_calc_new_rates()
2340 p_index = clk_fetch_parent_index(core, parent); in clk_calc_new_rates()
2343 __func__, parent->name, core->name); in clk_calc_new_rates()
2348 if ((core->flags & CLK_SET_RATE_PARENT) && parent && in clk_calc_new_rates()
2353 clk_calc_subtree(core, new_rate, parent, p_index); in clk_calc_new_rates()
2363 static struct clk_core *clk_propagate_rate_change(struct clk_core *core, in clk_propagate_rate_change() argument
2369 if (core->rate == core->new_rate) in clk_propagate_rate_change()
2372 if (core->notifier_count) { in clk_propagate_rate_change()
2373 ret = __clk_notify(core, event, core->rate, core->new_rate); in clk_propagate_rate_change()
2375 fail_clk = core; in clk_propagate_rate_change()
2378 hlist_for_each_entry(child, &core->children, child_node) { in clk_propagate_rate_change()
2380 if (child->new_parent && child->new_parent != core) in clk_propagate_rate_change()
2388 if (core->new_child) { in clk_propagate_rate_change()
2389 tmp_clk = clk_propagate_rate_change(core->new_child, event); in clk_propagate_rate_change()
2401 static void clk_change_rate(struct clk_core *core) in clk_change_rate() argument
2411 old_rate = core->rate; in clk_change_rate()
2413 if (core->new_parent) { in clk_change_rate()
2414 parent = core->new_parent; in clk_change_rate()
2415 best_parent_rate = core->new_parent->rate; in clk_change_rate()
2416 } else if (core->parent) { in clk_change_rate()
2417 parent = core->parent; in clk_change_rate()
2418 best_parent_rate = core->parent->rate; in clk_change_rate()
2421 if (clk_pm_runtime_get(core)) in clk_change_rate()
2424 if (core->flags & CLK_SET_RATE_UNGATE) { in clk_change_rate()
2425 clk_core_prepare(core); in clk_change_rate()
2426 clk_core_enable_lock(core); in clk_change_rate()
2429 if (core->new_parent && core->new_parent != core->parent) { in clk_change_rate()
2430 old_parent = __clk_set_parent_before(core, core->new_parent); in clk_change_rate()
2431 trace_clk_set_parent(core, core->new_parent); in clk_change_rate()
2433 if (core->ops->set_rate_and_parent) { in clk_change_rate()
2435 core->ops->set_rate_and_parent(core->hw, core->new_rate, in clk_change_rate()
2437 core->new_parent_index); in clk_change_rate()
2438 } else if (core->ops->set_parent) { in clk_change_rate()
2439 core->ops->set_parent(core->hw, core->new_parent_index); in clk_change_rate()
2442 trace_clk_set_parent_complete(core, core->new_parent); in clk_change_rate()
2443 __clk_set_parent_after(core, core->new_parent, old_parent); in clk_change_rate()
2446 if (core->flags & CLK_OPS_PARENT_ENABLE) in clk_change_rate()
2449 trace_clk_set_rate(core, core->new_rate); in clk_change_rate()
2451 if (!skip_set_rate && core->ops->set_rate) in clk_change_rate()
2452 core->ops->set_rate(core->hw, core->new_rate, best_parent_rate); in clk_change_rate()
2454 trace_clk_set_rate_complete(core, core->new_rate); in clk_change_rate()
2456 core->rate = clk_recalc(core, best_parent_rate); in clk_change_rate()
2458 if (core->flags & CLK_SET_RATE_UNGATE) { in clk_change_rate()
2459 clk_core_disable_lock(core); in clk_change_rate()
2460 clk_core_unprepare(core); in clk_change_rate()
2463 if (core->flags & CLK_OPS_PARENT_ENABLE) in clk_change_rate()
2466 if (core->notifier_count && old_rate != core->rate) in clk_change_rate()
2467 __clk_notify(core, POST_RATE_CHANGE, old_rate, core->rate); in clk_change_rate()
2469 if (core->flags & CLK_RECALC_NEW_RATES) in clk_change_rate()
2470 (void)clk_calc_new_rates(core, core->new_rate); in clk_change_rate()
2476 hlist_for_each_entry_safe(child, tmp, &core->children, child_node) { in clk_change_rate()
2478 if (child->new_parent && child->new_parent != core) in clk_change_rate()
2484 if (core->new_child) in clk_change_rate()
2485 clk_change_rate(core->new_child); in clk_change_rate()
2487 clk_pm_runtime_put(core); in clk_change_rate()
2490 static unsigned long clk_core_req_round_rate_nolock(struct clk_core *core, in clk_core_req_round_rate_nolock() argument
2498 if (!core) in clk_core_req_round_rate_nolock()
2502 cnt = clk_core_rate_nuke_protect(core); in clk_core_req_round_rate_nolock()
2506 clk_core_init_rate_req(core, &req, req_rate); in clk_core_req_round_rate_nolock()
2510 ret = clk_core_round_rate_nolock(core, &req); in clk_core_req_round_rate_nolock()
2515 clk_core_rate_restore_protect(core, cnt); in clk_core_req_round_rate_nolock()
2520 static int clk_core_set_rate_nolock(struct clk_core *core, in clk_core_set_rate_nolock() argument
2527 if (!core) in clk_core_set_rate_nolock()
2530 rate = clk_core_req_round_rate_nolock(core, req_rate); in clk_core_set_rate_nolock()
2533 if (rate == clk_core_get_rate_nolock(core)) in clk_core_set_rate_nolock()
2537 if (clk_core_rate_is_protected(core)) in clk_core_set_rate_nolock()
2541 top = clk_calc_new_rates(core, req_rate); in clk_core_set_rate_nolock()
2545 ret = clk_pm_runtime_get(core); in clk_core_set_rate_nolock()
2562 core->req_rate = req_rate; in clk_core_set_rate_nolock()
2564 clk_pm_runtime_put(core); in clk_core_set_rate_nolock()
2601 clk_core_rate_unprotect(clk->core); in clk_set_rate()
2603 ret = clk_core_set_rate_nolock(clk->core, rate); in clk_set_rate()
2606 clk_core_rate_protect(clk->core); in clk_set_rate()
2649 ret = clk_core_set_rate_nolock(clk->core, rate); in clk_set_rate_exclusive()
2651 clk_core_rate_protect(clk->core); in clk_set_rate_exclusive()
2673 trace_clk_set_rate_range(clk->core, min, max); in clk_set_rate_range_nolock()
2677 __func__, clk->core->name, clk->dev_id, clk->con_id, in clk_set_rate_range_nolock()
2683 clk_core_rate_unprotect(clk->core); in clk_set_rate_range_nolock()
2691 if (!clk_core_check_boundaries(clk->core, min, max)) { in clk_set_rate_range_nolock()
2696 rate = clk->core->req_rate; in clk_set_rate_range_nolock()
2697 if (clk->core->flags & CLK_GET_RATE_NOCACHE) in clk_set_rate_range_nolock()
2698 rate = clk_core_get_rate_recalc(clk->core); in clk_set_rate_range_nolock()
2718 ret = clk_core_set_rate_nolock(clk->core, rate); in clk_set_rate_range_nolock()
2727 clk_core_rate_protect(clk->core); in clk_set_rate_range_nolock()
2769 trace_clk_set_min_rate(clk->core, rate); in clk_set_min_rate()
2787 trace_clk_set_max_rate(clk->core, rate); in clk_set_max_rate()
2808 parent = !clk->core->parent ? NULL : clk->core->parent->hw->clk; in clk_get_parent()
2815 static struct clk_core *__clk_init_parent(struct clk_core *core) in __clk_init_parent() argument
2819 if (core->num_parents > 1 && core->ops->get_parent) in __clk_init_parent()
2820 index = core->ops->get_parent(core->hw); in __clk_init_parent()
2822 return clk_core_get_parent_by_index(core, index); in __clk_init_parent()
2825 static void clk_core_reparent(struct clk_core *core, in clk_core_reparent() argument
2828 clk_reparent(core, new_parent); in clk_core_reparent()
2829 __clk_recalc_accuracies(core); in clk_core_reparent()
2830 __clk_recalc_rates(core, true, POST_RATE_CHANGE); in clk_core_reparent()
2838 clk_core_reparent(hw->core, !new_parent ? NULL : new_parent->core); in clk_hw_reparent()
2857 return clk_core_has_parent(clk->core, parent->core); in clk_has_parent()
2861 static int clk_core_set_parent_nolock(struct clk_core *core, in clk_core_set_parent_nolock() argument
2870 if (!core) in clk_core_set_parent_nolock()
2873 if (core->parent == parent) in clk_core_set_parent_nolock()
2877 if (core->num_parents > 1 && !core->ops->set_parent) in clk_core_set_parent_nolock()
2881 if ((core->flags & CLK_SET_PARENT_GATE) && core->prepare_count) in clk_core_set_parent_nolock()
2884 if (clk_core_rate_is_protected(core)) in clk_core_set_parent_nolock()
2889 p_index = clk_fetch_parent_index(core, parent); in clk_core_set_parent_nolock()
2892 __func__, parent->name, core->name); in clk_core_set_parent_nolock()
2898 ret = clk_pm_runtime_get(core); in clk_core_set_parent_nolock()
2903 ret = __clk_speculate_rates(core, p_rate); in clk_core_set_parent_nolock()
2910 ret = __clk_set_parent(core, parent, p_index); in clk_core_set_parent_nolock()
2914 __clk_recalc_rates(core, true, ABORT_RATE_CHANGE); in clk_core_set_parent_nolock()
2916 __clk_recalc_rates(core, true, POST_RATE_CHANGE); in clk_core_set_parent_nolock()
2917 __clk_recalc_accuracies(core); in clk_core_set_parent_nolock()
2921 clk_pm_runtime_put(core); in clk_core_set_parent_nolock()
2928 return clk_core_set_parent_nolock(hw->core, parent->core); in clk_hw_set_parent()
2959 clk_core_rate_unprotect(clk->core); in clk_set_parent()
2961 ret = clk_core_set_parent_nolock(clk->core, in clk_set_parent()
2962 parent ? parent->core : NULL); in clk_set_parent()
2965 clk_core_rate_protect(clk->core); in clk_set_parent()
2973 static int clk_core_set_phase_nolock(struct clk_core *core, int degrees) in clk_core_set_phase_nolock() argument
2979 if (!core) in clk_core_set_phase_nolock()
2982 if (clk_core_rate_is_protected(core)) in clk_core_set_phase_nolock()
2985 trace_clk_set_phase(core, degrees); in clk_core_set_phase_nolock()
2987 if (core->ops->set_phase) { in clk_core_set_phase_nolock()
2988 ret = core->ops->set_phase(core->hw, degrees); in clk_core_set_phase_nolock()
2990 core->phase = degrees; in clk_core_set_phase_nolock()
2993 trace_clk_set_phase_complete(core, degrees); in clk_core_set_phase_nolock()
3033 clk_core_rate_unprotect(clk->core); in clk_set_phase()
3035 ret = clk_core_set_phase_nolock(clk->core, degrees); in clk_set_phase()
3038 clk_core_rate_protect(clk->core); in clk_set_phase()
3046 static int clk_core_get_phase(struct clk_core *core) in clk_core_get_phase() argument
3051 if (!core->ops->get_phase) in clk_core_get_phase()
3055 ret = core->ops->get_phase(core->hw); in clk_core_get_phase()
3057 core->phase = ret; in clk_core_get_phase()
3077 ret = clk_core_get_phase(clk->core); in clk_get_phase()
3084 static void clk_core_reset_duty_cycle_nolock(struct clk_core *core) in clk_core_reset_duty_cycle_nolock() argument
3087 core->duty.num = 1; in clk_core_reset_duty_cycle_nolock()
3088 core->duty.den = 2; in clk_core_reset_duty_cycle_nolock()
3091 static int clk_core_update_duty_cycle_parent_nolock(struct clk_core *core);
3093 static int clk_core_update_duty_cycle_nolock(struct clk_core *core) in clk_core_update_duty_cycle_nolock() argument
3095 struct clk_duty *duty = &core->duty; in clk_core_update_duty_cycle_nolock()
3098 if (!core->ops->get_duty_cycle) in clk_core_update_duty_cycle_nolock()
3099 return clk_core_update_duty_cycle_parent_nolock(core); in clk_core_update_duty_cycle_nolock()
3101 ret = core->ops->get_duty_cycle(core->hw, duty); in clk_core_update_duty_cycle_nolock()
3114 clk_core_reset_duty_cycle_nolock(core); in clk_core_update_duty_cycle_nolock()
3118 static int clk_core_update_duty_cycle_parent_nolock(struct clk_core *core) in clk_core_update_duty_cycle_parent_nolock() argument
3122 if (core->parent && in clk_core_update_duty_cycle_parent_nolock()
3123 core->flags & CLK_DUTY_CYCLE_PARENT) { in clk_core_update_duty_cycle_parent_nolock()
3124 ret = clk_core_update_duty_cycle_nolock(core->parent); in clk_core_update_duty_cycle_parent_nolock()
3125 memcpy(&core->duty, &core->parent->duty, sizeof(core->duty)); in clk_core_update_duty_cycle_parent_nolock()
3127 clk_core_reset_duty_cycle_nolock(core); in clk_core_update_duty_cycle_parent_nolock()
3133 static int clk_core_set_duty_cycle_parent_nolock(struct clk_core *core,
3136 static int clk_core_set_duty_cycle_nolock(struct clk_core *core, in clk_core_set_duty_cycle_nolock() argument
3143 if (clk_core_rate_is_protected(core)) in clk_core_set_duty_cycle_nolock()
3146 trace_clk_set_duty_cycle(core, duty); in clk_core_set_duty_cycle_nolock()
3148 if (!core->ops->set_duty_cycle) in clk_core_set_duty_cycle_nolock()
3149 return clk_core_set_duty_cycle_parent_nolock(core, duty); in clk_core_set_duty_cycle_nolock()
3151 ret = core->ops->set_duty_cycle(core->hw, duty); in clk_core_set_duty_cycle_nolock()
3153 memcpy(&core->duty, duty, sizeof(*duty)); in clk_core_set_duty_cycle_nolock()
3155 trace_clk_set_duty_cycle_complete(core, duty); in clk_core_set_duty_cycle_nolock()
3160 static int clk_core_set_duty_cycle_parent_nolock(struct clk_core *core, in clk_core_set_duty_cycle_parent_nolock() argument
3165 if (core->parent && in clk_core_set_duty_cycle_parent_nolock()
3166 core->flags & (CLK_DUTY_CYCLE_PARENT | CLK_SET_RATE_PARENT)) { in clk_core_set_duty_cycle_parent_nolock()
3167 ret = clk_core_set_duty_cycle_nolock(core->parent, duty); in clk_core_set_duty_cycle_parent_nolock()
3168 memcpy(&core->duty, &core->parent->duty, sizeof(core->duty)); in clk_core_set_duty_cycle_parent_nolock()
3203 clk_core_rate_unprotect(clk->core); in clk_set_duty_cycle()
3205 ret = clk_core_set_duty_cycle_nolock(clk->core, &duty); in clk_set_duty_cycle()
3208 clk_core_rate_protect(clk->core); in clk_set_duty_cycle()
3216 static int clk_core_get_scaled_duty_cycle(struct clk_core *core, in clk_core_get_scaled_duty_cycle() argument
3219 struct clk_duty *duty = &core->duty; in clk_core_get_scaled_duty_cycle()
3224 ret = clk_core_update_duty_cycle_nolock(core); in clk_core_get_scaled_duty_cycle()
3246 return clk_core_get_scaled_duty_cycle(clk->core, scale); in clk_get_scaled_duty_cycle()
3269 if (p->core == q->core) in clk_is_match()
3448 struct clk_core *core = data; in clk_rate_set() local
3452 ret = clk_core_set_rate_nolock(core, val); in clk_rate_set()
3462 struct clk_core *core = data; in clk_phase_set() local
3467 ret = clk_core_set_phase_nolock(core, degrees); in clk_phase_set()
3477 struct clk_core *core = data; in clk_prepare_enable_set() local
3481 ret = clk_prepare_enable(core->hw->clk); in clk_prepare_enable_set()
3483 clk_disable_unprepare(core->hw->clk); in clk_prepare_enable_set()
3490 struct clk_core *core = data; in clk_prepare_enable_get() local
3492 *val = core->enable_count && core->prepare_count; in clk_prepare_enable_get()
3509 struct clk_core *core = data; in clk_rate_get() local
3512 *val = clk_core_get_rate_recalc(core); in clk_rate_get()
3522 struct clk_core *core = data; in clk_phase_get() local
3524 *val = core->phase; in clk_phase_get()
3552 struct clk_core *core = s->private; in clk_flags_show() local
3553 unsigned long flags = core->flags; in clk_flags_show()
3571 static void possible_parent_show(struct seq_file *s, struct clk_core *core, in possible_parent_show() argument
3589 parent = clk_core_get_parent_by_index(core, i); in possible_parent_show()
3592 } else if (core->parents[i].name) { in possible_parent_show()
3593 seq_puts(s, core->parents[i].name); in possible_parent_show()
3594 } else if (core->parents[i].fw_name) { in possible_parent_show()
3595 seq_printf(s, "<%s>(fw)", core->parents[i].fw_name); in possible_parent_show()
3597 if (core->parents[i].index >= 0) in possible_parent_show()
3598 name = of_clk_get_parent_name(core->of_node, core->parents[i].index); in possible_parent_show()
3610 struct clk_core *core = s->private; in possible_parents_show() local
3613 for (i = 0; i < core->num_parents - 1; i++) in possible_parents_show()
3614 possible_parent_show(s, core, i, ' '); in possible_parents_show()
3616 possible_parent_show(s, core, i, '\n'); in possible_parents_show()
3624 struct clk_core *core = s->private; in current_parent_show() local
3626 if (core->parent) in current_parent_show()
3627 seq_printf(s, "%s\n", core->parent->name); in current_parent_show()
3638 struct clk_core *core = s->private; in current_parent_write() local
3647 parent = clk_core_get_parent_by_index(core, idx); in current_parent_write()
3652 err = clk_core_set_parent_nolock(core, parent); in current_parent_write()
3671 struct clk_core *core = s->private; in clk_duty_cycle_show() local
3672 struct clk_duty *duty = &core->duty; in clk_duty_cycle_show()
3682 struct clk_core *core = s->private; in clk_min_rate_show() local
3686 clk_core_get_boundaries(core, &min_rate, &max_rate); in clk_min_rate_show()
3696 struct clk_core *core = s->private; in clk_max_rate_show() local
3700 clk_core_get_boundaries(core, &min_rate, &max_rate); in clk_max_rate_show()
3708 static void clk_debug_create_one(struct clk_core *core, struct dentry *pdentry) in clk_debug_create_one() argument
3712 if (!core || !pdentry) in clk_debug_create_one()
3715 root = debugfs_create_dir(core->name, pdentry); in clk_debug_create_one()
3716 core->dentry = root; in clk_debug_create_one()
3718 debugfs_create_file("clk_rate", clk_rate_mode, root, core, in clk_debug_create_one()
3720 debugfs_create_file("clk_min_rate", 0444, root, core, &clk_min_rate_fops); in clk_debug_create_one()
3721 debugfs_create_file("clk_max_rate", 0444, root, core, &clk_max_rate_fops); in clk_debug_create_one()
3722 debugfs_create_ulong("clk_accuracy", 0444, root, &core->accuracy); in clk_debug_create_one()
3723 debugfs_create_file("clk_phase", clk_phase_mode, root, core, in clk_debug_create_one()
3725 debugfs_create_file("clk_flags", 0444, root, core, &clk_flags_fops); in clk_debug_create_one()
3726 debugfs_create_u32("clk_prepare_count", 0444, root, &core->prepare_count); in clk_debug_create_one()
3727 debugfs_create_u32("clk_enable_count", 0444, root, &core->enable_count); in clk_debug_create_one()
3728 debugfs_create_u32("clk_protect_count", 0444, root, &core->protect_count); in clk_debug_create_one()
3729 debugfs_create_u32("clk_notifier_count", 0444, root, &core->notifier_count); in clk_debug_create_one()
3730 debugfs_create_file("clk_duty_cycle", 0444, root, core, in clk_debug_create_one()
3733 debugfs_create_file("clk_prepare_enable", 0644, root, core, in clk_debug_create_one()
3736 if (core->num_parents > 1) in clk_debug_create_one()
3737 debugfs_create_file("clk_parent", 0644, root, core, in clk_debug_create_one()
3741 if (core->num_parents > 0) in clk_debug_create_one()
3742 debugfs_create_file("clk_parent", 0444, root, core, in clk_debug_create_one()
3745 if (core->num_parents > 1) in clk_debug_create_one()
3746 debugfs_create_file("clk_possible_parents", 0444, root, core, in clk_debug_create_one()
3749 if (core->ops->debug_init) in clk_debug_create_one()
3750 core->ops->debug_init(core->hw, core->dentry); in clk_debug_create_one()
3761 static void clk_debug_register(struct clk_core *core) in clk_debug_register() argument
3764 hlist_add_head(&core->debug_node, &clk_debug_list); in clk_debug_register()
3766 clk_debug_create_one(core, rootdir); in clk_debug_register()
3778 static void clk_debug_unregister(struct clk_core *core) in clk_debug_unregister() argument
3781 hlist_del_init(&core->debug_node); in clk_debug_unregister()
3782 debugfs_remove_recursive(core->dentry); in clk_debug_unregister()
3783 core->dentry = NULL; in clk_debug_unregister()
3798 struct clk_core *core; in clk_debug_init() local
3830 hlist_for_each_entry(core, &clk_debug_list, debug_node) in clk_debug_init()
3831 clk_debug_create_one(core, rootdir); in clk_debug_init()
3840 static inline void clk_debug_register(struct clk_core *core) { } in clk_debug_register() argument
3841 static inline void clk_debug_unregister(struct clk_core *core) in clk_debug_unregister() argument
3894 static int __clk_core_init(struct clk_core *core) in __clk_core_init() argument
3909 core->hw->core = core; in __clk_core_init()
3911 ret = clk_pm_runtime_get(core); in __clk_core_init()
3916 if (clk_core_lookup(core->name)) { in __clk_core_init()
3918 __func__, core->name); in __clk_core_init()
3924 if (core->ops->set_rate && in __clk_core_init()
3925 !((core->ops->round_rate || core->ops->determine_rate) && in __clk_core_init()
3926 core->ops->recalc_rate)) { in __clk_core_init()
3928 __func__, core->name); in __clk_core_init()
3933 if (core->ops->set_parent && !core->ops->get_parent) { in __clk_core_init()
3935 __func__, core->name); in __clk_core_init()
3940 if (core->ops->set_parent && !core->ops->determine_rate) { in __clk_core_init()
3942 __func__, core->name); in __clk_core_init()
3947 if (core->num_parents > 1 && !core->ops->get_parent) { in __clk_core_init()
3949 __func__, core->name); in __clk_core_init()
3954 if (core->ops->set_rate_and_parent && in __clk_core_init()
3955 !(core->ops->set_parent && core->ops->set_rate)) { in __clk_core_init()
3957 __func__, core->name); in __clk_core_init()
3976 if (core->ops->init) { in __clk_core_init()
3977 ret = core->ops->init(core->hw); in __clk_core_init()
3982 parent = core->parent = __clk_init_parent(core); in __clk_core_init()
3995 hlist_add_head(&core->child_node, &parent->children); in __clk_core_init()
3996 core->orphan = parent->orphan; in __clk_core_init()
3997 } else if (!core->num_parents) { in __clk_core_init()
3998 hlist_add_head(&core->child_node, &clk_root_list); in __clk_core_init()
3999 core->orphan = false; in __clk_core_init()
4001 hlist_add_head(&core->child_node, &clk_orphan_list); in __clk_core_init()
4002 core->orphan = true; in __clk_core_init()
4012 if (core->ops->recalc_accuracy) in __clk_core_init()
4013 core->accuracy = core->ops->recalc_accuracy(core->hw, in __clk_core_init()
4016 core->accuracy = parent->accuracy; in __clk_core_init()
4018 core->accuracy = 0; in __clk_core_init()
4025 phase = clk_core_get_phase(core); in __clk_core_init()
4029 core->name); in __clk_core_init()
4036 clk_core_update_duty_cycle_nolock(core); in __clk_core_init()
4044 if (core->ops->recalc_rate) in __clk_core_init()
4045 rate = core->ops->recalc_rate(core->hw, in __clk_core_init()
4051 core->rate = core->req_rate = rate; in __clk_core_init()
4058 if (core->flags & CLK_IS_CRITICAL) { in __clk_core_init()
4059 ret = clk_core_prepare(core); in __clk_core_init()
4062 __func__, core->name); in __clk_core_init()
4066 ret = clk_core_enable_lock(core); in __clk_core_init()
4069 __func__, core->name); in __clk_core_init()
4070 clk_core_unprepare(core); in __clk_core_init()
4077 clk_pm_runtime_put(core); in __clk_core_init()
4080 hlist_del_init(&core->child_node); in __clk_core_init()
4081 core->hw->core = NULL; in __clk_core_init()
4087 clk_debug_register(core); in __clk_core_init()
4097 static void clk_core_link_consumer(struct clk_core *core, struct clk *clk) in clk_core_link_consumer() argument
4100 hlist_add_head(&clk->clks_node, &core->clks); in clk_core_link_consumer()
4122 static struct clk *alloc_clk(struct clk_core *core, const char *dev_id, in alloc_clk() argument
4131 clk->core = core; in alloc_clk()
4168 struct clk_core *core; in clk_hw_create_clk() local
4174 core = hw->core; in clk_hw_create_clk()
4175 clk = alloc_clk(core, dev_id, con_id); in clk_hw_create_clk()
4180 if (!try_module_get(core->owner)) { in clk_hw_create_clk()
4185 kref_get(&core->ref); in clk_hw_create_clk()
4186 clk_core_link_consumer(core, clk); in clk_hw_create_clk()
4203 struct device *dev = hw->core->dev; in clk_hw_get_clk()
4227 static int clk_core_populate_parent_map(struct clk_core *core, in clk_core_populate_parent_map() argument
4245 core->parents = parents; in clk_core_populate_parent_map()
4256 __func__, core->name); in clk_core_populate_parent_map()
4289 static void clk_core_free_parent_map(struct clk_core *core) in clk_core_free_parent_map() argument
4291 int i = core->num_parents; in clk_core_free_parent_map()
4293 if (!core->num_parents) in clk_core_free_parent_map()
4297 kfree_const(core->parents[i].name); in clk_core_free_parent_map()
4298 kfree_const(core->parents[i].fw_name); in clk_core_free_parent_map()
4301 kfree(core->parents); in clk_core_free_parent_map()
4307 struct clk_core *core = container_of(ref, struct clk_core, ref); in __clk_release() local
4309 if (core->rpm_enabled) { in __clk_release()
4311 hlist_del(&core->rpm_node); in __clk_release()
4315 clk_core_free_parent_map(core); in __clk_release()
4316 kfree_const(core->name); in __clk_release()
4317 kfree(core); in __clk_release()
4324 struct clk_core *core; in __clk_register() local
4334 core = kzalloc(sizeof(*core), GFP_KERNEL); in __clk_register()
4335 if (!core) { in __clk_register()
4340 kref_init(&core->ref); in __clk_register()
4342 core->name = kstrdup_const(init->name, GFP_KERNEL); in __clk_register()
4343 if (!core->name) { in __clk_register()
4352 core->ops = init->ops; in __clk_register()
4354 core->dev = dev; in __clk_register()
4355 clk_pm_runtime_init(core); in __clk_register()
4356 core->of_node = np; in __clk_register()
4358 core->owner = dev->driver->owner; in __clk_register()
4359 core->hw = hw; in __clk_register()
4360 core->flags = init->flags; in __clk_register()
4361 core->num_parents = init->num_parents; in __clk_register()
4362 core->min_rate = 0; in __clk_register()
4363 core->max_rate = ULONG_MAX; in __clk_register()
4365 ret = clk_core_populate_parent_map(core, init); in __clk_register()
4369 INIT_HLIST_HEAD(&core->clks); in __clk_register()
4375 hw->clk = alloc_clk(core, NULL, NULL); in __clk_register()
4381 clk_core_link_consumer(core, hw->clk); in __clk_register()
4383 ret = __clk_core_init(core); in __clk_register()
4398 kref_put(&core->ref, __clk_release); in __clk_register()
4527 if (root->parents[i].core == target) in clk_core_evict_parent_cache_subtree()
4528 root->parents[i].core = NULL; in clk_core_evict_parent_cache_subtree()
4535 static void clk_core_evict_parent_cache(struct clk_core *core) in clk_core_evict_parent_cache() argument
4544 clk_core_evict_parent_cache_subtree(root, core); in clk_core_evict_parent_cache()
4560 clk_debug_unregister(clk->core); in clk_unregister()
4564 ops = clk->core->ops; in clk_unregister()
4567 clk->core->name); in clk_unregister()
4576 clk->core->ops = &clk_nodrv_ops; in clk_unregister()
4580 ops->terminate(clk->core->hw); in clk_unregister()
4582 if (!hlist_empty(&clk->core->children)) { in clk_unregister()
4587 hlist_for_each_entry_safe(child, t, &clk->core->children, in clk_unregister()
4592 clk_core_evict_parent_cache(clk->core); in clk_unregister()
4594 hlist_del_init(&clk->core->child_node); in clk_unregister()
4596 if (clk->core->prepare_count) in clk_unregister()
4598 __func__, clk->core->name); in clk_unregister()
4600 if (clk->core->protect_count) in clk_unregister()
4602 __func__, clk->core->name); in clk_unregister()
4605 kref_put(&clk->core->ref, __clk_release); in clk_unregister()
4716 WARN_ON_ONCE(dev != hw->core->dev); in devm_clk_hw_get_clk()
4754 clk->core->protect_count -= (clk->exclusive_count - 1); in __clk_put()
4755 clk_core_rate_unprotect(clk->core); in __clk_put()
4767 owner = clk->core->owner; in __clk_put()
4768 kref_put(&clk->core->ref, __clk_release); in __clk_put()
4823 clk->core->notifier_count++; in clk_notifier_register()
4857 clk->core->notifier_count--; in clk_notifier_unregister()