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-rw-r--r--drivers/base/power/opp/of.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/base/power/opp/of.c b/drivers/base/power/opp/of.c
index 6f0497b377c7..0b718886479b 100644
--- a/drivers/base/power/opp/of.c
+++ b/drivers/base/power/opp/of.c
@@ -248,15 +248,22 @@ void dev_pm_opp_of_remove_table(struct device *dev)
}
EXPORT_SYMBOL_GPL(dev_pm_opp_of_remove_table);
-/* Returns opp descriptor node for a device, caller must do of_node_put() */
-struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev)
+/* Returns opp descriptor node for a device node, caller must
+ * do of_node_put() */
+static struct device_node *_opp_of_get_opp_desc_node(struct device_node *np)
{
/*
* There should be only ONE phandle present in "operating-points-v2"
* property.
*/
- return of_parse_phandle(dev->of_node, "operating-points-v2", 0);
+ return of_parse_phandle(np, "operating-points-v2", 0);
+}
+
+/* Returns opp descriptor node for a device, caller must do of_node_put() */
+struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev)
+{
+ return _opp_of_get_opp_desc_node(dev->of_node);
}
EXPORT_SYMBOL_GPL(dev_pm_opp_of_get_opp_desc_node);
@@ -576,8 +583,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_of_cpumask_add_table);
int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev,
struct cpumask *cpumask)
{
- struct device_node *np, *tmp_np;
- struct device *tcpu_dev;
+ struct device_node *np, *tmp_np, *cpu_np;
int cpu, ret = 0;
/* Get OPP descriptor node */
@@ -597,19 +603,18 @@ int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev,
if (cpu == cpu_dev->id)
continue;
- tcpu_dev = get_cpu_device(cpu);
- if (!tcpu_dev) {
- dev_err(cpu_dev, "%s: failed to get cpu%d device\n",
+ cpu_np = of_get_cpu_node(cpu, NULL);
+ if (!cpu_np) {
+ dev_err(cpu_dev, "%s: failed to get cpu%d node\n",
__func__, cpu);
- ret = -ENODEV;
+ ret = -ENOENT;
goto put_cpu_node;
}
/* Get OPP descriptor node */
- tmp_np = dev_pm_opp_of_get_opp_desc_node(tcpu_dev);
+ tmp_np = _opp_of_get_opp_desc_node(cpu_np);
if (!tmp_np) {
- dev_err(tcpu_dev, "%s: Couldn't find opp node.\n",
- __func__);
+ pr_err("%pOF: Couldn't find opp node\n", cpu_np);
ret = -ENOENT;
goto put_cpu_node;
}