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Merge "clk: Add support to print parent clock names during suspend"

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qctecmdr 2020-01-14 00:34:33 -08:00 • committed by Gerrit - the friendly Code Review server
commit cc64fce503
1 changed files with 6 additions and 44 deletions
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50
drivers/clk/clk.c
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@ -1,7 +1,7 @@
/*
* 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);