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PM / OPP: Don't create debugfs "supply-0" directory unnecessarily 

We create "supply-0" debugfs directory even if the device doesn't do
voltage scaling. That looks confusing, as if the regulator is found but
we never managed to get voltage levels for it.

Avoid creating such a directory unnecessarily.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar 2017-05-23 09:32:13 +05:30 committed by Rafael J. Wysocki
parent 688a48b0d2
commit 1fae788ed6
1 changed files with 3 additions and 4 deletions
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7
drivers/base/power/opp/debugfs.c
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@ -40,11 +40,10 @@ static bool opp_debug_create_supplies(struct dev_pm_opp *opp,
struct dentry *pdentry)
{
struct dentry *d;
int i = 0;
int i;
char *name;
/* Always create at least supply-0 directory */
do {
for (i = 0; i < opp_table->regulator_count; i++) {
name = kasprintf(GFP_KERNEL, "supply-%d", i);
/* Create per-opp directory */
@ -70,7 +69,7 @@ static bool opp_debug_create_supplies(struct dev_pm_opp *opp,
if (!debugfs_create_ulong("u_amp", S_IRUGO, d,
&opp->supplies[i].u_amp))
return false;
} while (++i < opp_table->regulator_count);
}
return true;
}