Merge "clk: Add support to print parent clock names during suspend" (cc64fce5) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/clk/clk.c

+6 −44

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2010-2011 Canonical Ltd <jeremy.kerr@canonical.com>
		* Copyright (C) 2011-2012 Linaro Ltd <mturquette@linaro.org>
		* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
		* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 as
		@@ -3503,45 +3503,6 @@ do { \
		pr_info(fmt, ##__VA_ARGS__); \
		} while (0)

		/*
		* clock_debug_print_enabled_debug_suspend() - Print names of enabled clocks
		* during suspend.
		*/
		static void clock_debug_print_enabled_debug_suspend(struct seq_file *s)
		{
		struct clk_core *core;
		int cnt = 0;

		if (!mutex_trylock(&clk_debug_lock))
		return;

		clock_debug_output(s, 0, "Enabled clocks:\n");

		hlist_for_each_entry(core, &clk_debug_list, debug_node) {
		if (!core->prepare_count)
		continue;

		if (core->vdd_class)
		clock_debug_output(s, 0, " %s:%u:%u [%ld, %d]",
		core->name, core->prepare_count,
		core->enable_count, core->rate,
		clk_find_vdd_level(core, core->rate));

		else
		clock_debug_output(s, 0, " %s:%u:%u [%ld]",
		core->name, core->prepare_count,
		core->enable_count, core->rate);
		cnt++;
		}

		mutex_unlock(&clk_debug_lock);

		if (cnt)
		clock_debug_output(s, 0, "Enabled clock count: %d\n", cnt);
		else
		clock_debug_output(s, 0, "No clocks enabled.\n");
		}

		static int clock_debug_print_clock(struct clk_core c, struct seq_file s)
		{
		char *start = "";
		@@ -3552,7 +3513,7 @@ static int clock_debug_print_clock(struct clk_core c, struct seq_file s)

		clk = c->hw->clk;

		clock_debug_output(s, 0, "\t");
		clock_debug_output(s, 0, " ");

		do {
		if (clk->core->vdd_class)
		@@ -3584,9 +3545,10 @@ static void clock_debug_print_enabled_clocks(struct seq_file *s)
		struct clk_core *core;
		int cnt = 0;

		clock_debug_output(s, 0, "Enabled clocks:\n");
		if (!mutex_trylock(&clk_debug_lock))
		return;

		mutex_lock(&clk_debug_lock);
		clock_debug_output(s, 0, "Enabled clocks:\n");

		hlist_for_each_entry(core, &clk_debug_list, debug_node)
		cnt += clock_debug_print_clock(core, s);
		@@ -3911,7 +3873,7 @@ void clock_debug_print_enabled(void)
		if (likely(!debug_suspend))
		return;

		clock_debug_print_enabled_debug_suspend(NULL);
		clock_debug_print_enabled_clocks(NULL);
		}
		EXPORT_SYMBOL_GPL(clock_debug_print_enabled);