genpd: ti: Use for_each_node_with_property() simplify code logic

Let's convert to use for_each_node_with_property() to iterate through the
DT nodes, as to simplify the code logic a bit. No intended functional
change.

Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/genpd/ti/ti_sci_pm_domains.c b/drivers/genpd/ti/ti_sci_pm_domains.c
index a33ec7eaf23d14ceb46b1667079547b1d5de39f7..34645104fe45d333e0394602b313400ae435d597 100644 (file)
--- a/drivers/genpd/ti/ti_sci_pm_domains.c
+++ b/drivers/genpd/ti/ti_sci_pm_domains.c
@@ -119,7 +119,7 @@ static int ti_sci_pm_domain_probe(struct platform_device *pdev)
        struct device *dev = &pdev->dev;
        struct ti_sci_genpd_provider *pd_provider;
        struct ti_sci_pm_domain *pd;
-       struct device_node *np = NULL;
+       struct device_node *np;
        struct of_phandle_args args;
        int ret;
        u32 max_id = 0;
@@ -138,11 +138,7 @@ static int ti_sci_pm_domain_probe(struct platform_device *pdev)
        INIT_LIST_HEAD(&pd_provider->pd_list);
 
        /* Find highest device ID used for power domains */
-       while (1) {
-               np = of_find_node_with_property(np, "power-domains");
-               if (!np)
-                       break;
-
+       for_each_node_with_property(np, "power-domains") {
                index = 0;
 
                while (1) {