644 static void tegra_powergate_disable_clocks(struct tegra_powergate *pg)  in tegra_powergate_disable_clocks()  argument
648 	for (i = 0; i < pg->num_clks; i++)  in tegra_powergate_disable_clocks()
649 		clk_disable_unprepare(pg->clks[i]);  in tegra_powergate_disable_clocks()
652 static int tegra_powergate_enable_clocks(struct tegra_powergate *pg)  in tegra_powergate_enable_clocks()  argument
657 	for (i = 0; i < pg->num_clks; i++) {  in tegra_powergate_enable_clocks()
658 		err = clk_prepare_enable(pg->clks[i]);  in tegra_powergate_enable_clocks()
667 		clk_disable_unprepare(pg->clks[i]);  in tegra_powergate_enable_clocks()
677 static int tegra_powergate_power_up(struct tegra_powergate *pg,  in tegra_powergate_power_up()  argument
682 	err = reset_control_assert(pg->reset);  in tegra_powergate_power_up()
688 	err = tegra_powergate_set(pg->pmc, pg->id, true);  in tegra_powergate_power_up()
694 	err = tegra_powergate_enable_clocks(pg);  in tegra_powergate_power_up()
700 	err = __tegra_powergate_remove_clamping(pg->pmc, pg->id);  in tegra_powergate_power_up()
706 	err = reset_control_deassert(pg->reset);  in tegra_powergate_power_up()
712 	if (pg->pmc->soc->needs_mbist_war)  in tegra_powergate_power_up()
713 		err = tegra210_clk_handle_mbist_war(pg->id);  in tegra_powergate_power_up()
718 		tegra_powergate_disable_clocks(pg);  in tegra_powergate_power_up()
723 	tegra_powergate_disable_clocks(pg);  in tegra_powergate_power_up()
727 	tegra_powergate_set(pg->pmc, pg->id, false);  in tegra_powergate_power_up()
732 static int tegra_powergate_power_down(struct tegra_powergate *pg)  in tegra_powergate_power_down()  argument
736 	err = tegra_powergate_enable_clocks(pg);  in tegra_powergate_power_down()
742 	err = reset_control_assert(pg->reset);  in tegra_powergate_power_down()
748 	tegra_powergate_disable_clocks(pg);  in tegra_powergate_power_down()
752 	err = tegra_powergate_set(pg->pmc, pg->id, false);  in tegra_powergate_power_down()
759 	tegra_powergate_enable_clocks(pg);  in tegra_powergate_power_down()
761 	reset_control_deassert(pg->reset);  in tegra_powergate_power_down()
765 	tegra_powergate_disable_clocks(pg);  in tegra_powergate_power_down()
772 	struct tegra_powergate *pg = to_powergate(domain);  in tegra_genpd_power_on()  local
773 	struct device *dev = pg->pmc->dev;  in tegra_genpd_power_on()
776 	err = tegra_powergate_power_up(pg, true);  in tegra_genpd_power_on()
779 			pg->genpd.name, err);  in tegra_genpd_power_on()
783 	reset_control_release(pg->reset);  in tegra_genpd_power_on()
791 	struct tegra_powergate *pg = to_powergate(domain);  in tegra_genpd_power_off()  local
792 	struct device *dev = pg->pmc->dev;  in tegra_genpd_power_off()
795 	err = reset_control_acquire(pg->reset);  in tegra_genpd_power_off()
801 	err = tegra_powergate_power_down(pg);  in tegra_genpd_power_off()
804 			pg->genpd.name, err);  in tegra_genpd_power_off()
805 		reset_control_release(pg->reset);  in tegra_genpd_power_off()
874 	struct tegra_powergate *pg;  in tegra_powergate_sequence_power_up()  local
880 	pg = kzalloc(sizeof(*pg), GFP_KERNEL);  in tegra_powergate_sequence_power_up()
881 	if (!pg)  in tegra_powergate_sequence_power_up()
884 	pg->id = id;  in tegra_powergate_sequence_power_up()
885 	pg->clks = &clk;  in tegra_powergate_sequence_power_up()
886 	pg->num_clks = 1;  in tegra_powergate_sequence_power_up()
887 	pg->reset = rst;  in tegra_powergate_sequence_power_up()
888 	pg->pmc = pmc;  in tegra_powergate_sequence_power_up()
890 	err = tegra_powergate_power_up(pg, false);  in tegra_powergate_sequence_power_up()
895 	kfree(pg);  in tegra_powergate_sequence_power_up()
1030 static int tegra_powergate_of_get_clks(struct tegra_powergate *pg,  in tegra_powergate_of_get_clks()  argument
1041 	pg->clks = kcalloc(count, sizeof(clk), GFP_KERNEL);  in tegra_powergate_of_get_clks()
1042 	if (!pg->clks)  in tegra_powergate_of_get_clks()
1046 		pg->clks[i] = of_clk_get(np, i);  in tegra_powergate_of_get_clks()
1047 		if (IS_ERR(pg->clks[i])) {  in tegra_powergate_of_get_clks()
1048 			err = PTR_ERR(pg->clks[i]);  in tegra_powergate_of_get_clks()
1053 	pg->num_clks = count;  in tegra_powergate_of_get_clks()
1059 		clk_put(pg->clks[i]);  in tegra_powergate_of_get_clks()
1061 	kfree(pg->clks);  in tegra_powergate_of_get_clks()
1066 static int tegra_powergate_of_get_resets(struct tegra_powergate *pg,  in tegra_powergate_of_get_resets()  argument
1069 	struct device *dev = pg->pmc->dev;  in tegra_powergate_of_get_resets()
1072 	pg->reset = of_reset_control_array_get_exclusive_released(np);  in tegra_powergate_of_get_resets()
1073 	if (IS_ERR(pg->reset)) {  in tegra_powergate_of_get_resets()
1074 		err = PTR_ERR(pg->reset);  in tegra_powergate_of_get_resets()
1079 	err = reset_control_acquire(pg->reset);  in tegra_powergate_of_get_resets()
1086 		err = reset_control_assert(pg->reset);  in tegra_powergate_of_get_resets()
1088 		err = reset_control_deassert(pg->reset);  in tegra_powergate_of_get_resets()
1092 		reset_control_release(pg->reset);  in tegra_powergate_of_get_resets()
1097 		reset_control_release(pg->reset);  in tegra_powergate_of_get_resets()
1098 		reset_control_put(pg->reset);  in tegra_powergate_of_get_resets()
1107 	struct tegra_powergate *pg;  in tegra_powergate_add()  local
1111 	pg = kzalloc(sizeof(*pg), GFP_KERNEL);  in tegra_powergate_add()
1112 	if (!pg)  in tegra_powergate_add()
1128 	pg->id = id;  in tegra_powergate_add()
1129 	pg->genpd.name = np->name;  in tegra_powergate_add()
1130 	pg->genpd.power_off = tegra_genpd_power_off;  in tegra_powergate_add()
1131 	pg->genpd.power_on = tegra_genpd_power_on;  in tegra_powergate_add()
1132 	pg->pmc = pmc;  in tegra_powergate_add()
1134 	off = !tegra_powergate_is_powered(pmc, pg->id);  in tegra_powergate_add()
1136 	err = tegra_powergate_of_get_clks(pg, np);  in tegra_powergate_add()
1142 	err = tegra_powergate_of_get_resets(pg, np, off);  in tegra_powergate_add()
1150 			WARN_ON(tegra_powergate_power_up(pg, true));  in tegra_powergate_add()
1155 	err = pm_genpd_init(&pg->genpd, NULL, off);  in tegra_powergate_add()
1162 	err = of_genpd_add_provider_simple(np, &pg->genpd);  in tegra_powergate_add()
1169 	dev_dbg(dev, "added PM domain %s\n", pg->genpd.name);  in tegra_powergate_add()
1174 	pm_genpd_remove(&pg->genpd);  in tegra_powergate_add()
1177 	reset_control_put(pg->reset);  in tegra_powergate_add()
1180 	while (pg->num_clks--)  in tegra_powergate_add()
1181 		clk_put(pg->clks[pg->num_clks]);  in tegra_powergate_add()
1183 	kfree(pg->clks);  in tegra_powergate_add()
1189 	kfree(pg);  in tegra_powergate_add()
1219 	struct tegra_powergate *pg = to_powergate(genpd);  in tegra_powergate_remove()  local
1221 	reset_control_put(pg->reset);  in tegra_powergate_remove()
1223 	while (pg->num_clks--)  in tegra_powergate_remove()
1224 		clk_put(pg->clks[pg->num_clks]);  in tegra_powergate_remove()
1226 	kfree(pg->clks);  in tegra_powergate_remove()
1228 	set_bit(pg->id, pmc->powergates_available);  in tegra_powergate_remove()
1230 	kfree(pg);  in tegra_powergate_remove()