soc/tegra: cbb: tegra194: Use of_address_count() helper

After commit 16988c7 ("of/address: introduce of_address_count() helper"),
We can use of_address_count() to instead of open-coding it.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

Author: Yang Yingliang

drivers/soc/tegra/cbb/tegra194-cbb.c

@@ -2190,7 +2190,6 @@ MODULE_DEVICE_TABLE(of, tegra194_cbb_match);
 static int tegra194_cbb_get_bridges(struct tegra194_cbb *cbb, struct device_node *np)
 {
 	struct tegra_cbb *entry;
-	struct resource res;
 	unsigned long flags;
 	unsigned int i;
 	int err;
@@ -2210,8 +2209,7 @@ static int tegra194_cbb_get_bridges(struct tegra194_cbb *cbb, struct device_node
 	spin_unlock_irqrestore(&cbb_lock, flags);
 
 	if (!cbb->bridges) {
-		while (of_address_to_resource(np, cbb->num_bridges, &res) == 0)
-			cbb->num_bridges++;
+		cbb->num_bridges = of_address_count(np);
 
 		cbb->bridges = devm_kcalloc(cbb->base.dev, cbb->num_bridges,
 					    sizeof(*cbb->bridges), GFP_KERNEL);