struct opp_table **required_opp_tables;
struct device **genpd_virt_devs = NULL;
struct device_node *required_np, *np;
- int count, i;
+ int count, count_pd, i;
/* Traversing the first OPP node is all we need */
np = of_get_next_available_child(opp_np, NULL);
if (!count)
goto put_np;
- if (count > 1) {
+ /*
+ * Check the number of power-domains to know if we need to deal
+ * with virtual devices. In some cases we have devices with multiple
+ * power domains but with only one of them being scalable, hence
+ * 'count' could be 1, but we still have to deal with multiple genpds
+ * and virtual devices.
+ */
+ count_pd = of_count_phandle_with_args(dev->of_node, "power-domains",
+ "#power-domain-cells");
+ if (!count_pd)
+ goto put_np;
+
+ if (count_pd > 1) {
genpd_virt_devs = kcalloc(count, sizeof(*genpd_virt_devs),
GFP_KERNEL);
if (!genpd_virt_devs)