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cpufreq: dt: eliminate uses of of_node_put()

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Make use of the __free() cleanup handler to automatically free nodes
when they get out of scope.

Only find_supply_name() is affected, and the new mechanism removes the
need for a 'goto' and the 'name' local variable.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Javier Carrasco 2024-04-23 10:27:44 +02:00 committed by Viresh Kumar
parent d769eaef2a
commit 68090fdaac
1 changed files with 6 additions and 15 deletions
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21
drivers/cpufreq/cpufreq-dt.c
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@ -68,12 +68,9 @@ static int set_target(struct cpufreq_policy *policy, unsigned int index)
*/
static const char *find_supply_name(struct device *dev)
{
struct device_node *np;
struct device_node *np __free(device_node) = of_node_get(dev->of_node);
struct property *pp;
int cpu = dev->id;
const char *name = NULL;
np = of_node_get(dev->of_node);
/* This must be valid for sure */
if (WARN_ON(!np))
@ -82,22 +79,16 @@ static const char *find_supply_name(struct device *dev)
/* Try "cpu0" for older DTs */
if (!cpu) {
pp = of_find_property(np, "cpu0-supply", NULL);
if (pp) {
name = "cpu0";
goto node_put;
}
if (pp)
return "cpu0";
}
pp = of_find_property(np, "cpu-supply", NULL);
if (pp) {
name = "cpu";
goto node_put;
}
if (pp)
return "cpu";
dev_dbg(dev, "no regulator for cpu%d\n", cpu);
node_put:
of_node_put(np);
return name;
return NULL;
}
static int cpufreq_init(struct cpufreq_policy *policy)