diff options
| -rw-r--r-- | drivers/clk/clk.c | 45 |
1 files changed, 42 insertions, 3 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 6493b59dac01..4f1ba98a2b2c 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -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) 2016, The Linux Foundation. All rights reserved. + * Copyright (c) 2016-2017, 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 @@ -2534,7 +2534,46 @@ do { \ pr_info(fmt, ##__VA_ARGS__); \ } while (0) -int clock_debug_print_clock(struct clk_core *c, struct seq_file *s) +/* + * 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 || !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 = ""; struct clk *clk; @@ -2910,7 +2949,7 @@ void clock_debug_print_enabled(void) if (likely(!debug_suspend)) return; - clock_debug_print_enabled_clocks(NULL); + clock_debug_print_enabled_debug_suspend(NULL); } EXPORT_SYMBOL_GPL(clock_debug_print_enabled); |