pinctrl-tb10x: remove duplicate check on resource

Sanity check on resource happening with devm_ioremap_resource().
Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-tb10x.c

@@ -759,7 +759,7 @@ static struct pinctrl_desc tb10x_pindesc = {
 static int tb10x_pinctrl_probe(struct platform_device *pdev)
 {
 	int ret = -EINVAL;
-	struct resource *mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	struct resource *mem;
 	struct device *dev = &pdev->dev;
 	struct device_node *of_node = dev->of_node;
 	struct device_node *child;
@@ -771,11 +771,6 @@ static int tb10x_pinctrl_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	if (!mem) {
-		dev_err(dev, "No memory resource defined.\n");
-		return -EINVAL;
-	}
-
 	state = devm_kzalloc(dev, sizeof(struct tb10x_pinctrl) +
 					of_get_child_count(of_node)
 					* sizeof(struct tb10x_of_pinfunc),
@@ -787,6 +782,7 @@ static int tb10x_pinctrl_probe(struct platform_device *pdev)
 	state->pinfuncs = (struct tb10x_of_pinfunc *)(state + 1);
 	mutex_init(&state->mutex);
 
+	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	state->base = devm_ioremap_resource(dev, mem);
 	if (IS_ERR(state->base)) {
 		ret = PTR_ERR(state->base);