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PM: EM: Remove old debugfs files and print all 'flags'

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The Energy Model gets more bits used in 'flags'. Avoid adding another
debugfs file just to print what is the status of a new flag. Simply
remove old debugfs files and add one generic which prints all flags
as a hex value.

Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Reviewed-by: Ionela Voinescu <ionela.voinescu@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lukasz Luba 2022-03-21 09:57:26 +00:00 committed by Rafael J. Wysocki
parent 75a3a99a5a
commit 16857482b8
1 changed files with 5 additions and 19 deletions
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24
kernel/power/energy_model.c
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@ -54,28 +54,15 @@ static int em_debug_cpus_show(struct seq_file *s, void *unused)
}
DEFINE_SHOW_ATTRIBUTE(em_debug_cpus);
static int em_debug_units_show(struct seq_file *s, void *unused)
static int em_debug_flags_show(struct seq_file *s, void *unused)
{
struct em_perf_domain *pd = s->private;
char *units = (pd->flags & EM_PERF_DOMAIN_MILLIWATTS) ?
"milliWatts" : "bogoWatts";
seq_printf(s, "%s\n", units);
seq_printf(s, "%#lx\n", pd->flags);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(em_debug_units);
static int em_debug_skip_inefficiencies_show(struct seq_file *s, void *unused)
{
struct em_perf_domain *pd = s->private;
int enabled = (pd->flags & EM_PERF_DOMAIN_SKIP_INEFFICIENCIES) ? 1 : 0;
seq_printf(s, "%d\n", enabled);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(em_debug_skip_inefficiencies);
DEFINE_SHOW_ATTRIBUTE(em_debug_flags);
static void em_debug_create_pd(struct device *dev)
{
@ -89,9 +76,8 @@ static void em_debug_create_pd(struct device *dev)
debugfs_create_file("cpus", 0444, d, dev->em_pd->cpus,
&em_debug_cpus_fops);
debugfs_create_file("units", 0444, d, dev->em_pd, &em_debug_units_fops);
debugfs_create_file("skip-inefficiencies", 0444, d, dev->em_pd,
&em_debug_skip_inefficiencies_fops);
debugfs_create_file("flags", 0444, d, dev->em_pd,
&em_debug_flags_fops);
/* Create a sub-directory for each performance state */
for (i = 0; i < dev->em_pd->nr_perf_states; i++)