pinctrl/spear: simplify the return expression of spear300_pinctrl_probe()

Simplify the return expression.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20201210135746.1492-1-zhengyongjun3@huawei.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/spear/pinctrl-spear300.c

@@ -654,8 +654,6 @@ static const struct of_device_id spear300_pinctrl_of_match[] = {
 
 static int spear300_pinctrl_probe(struct platform_device *pdev)
 {
-	int ret;
-
 	spear3xx_machdata.groups = spear300_pingroups;
 	spear3xx_machdata.ngroups = ARRAY_SIZE(spear300_pingroups);
 	spear3xx_machdata.functions = spear300_functions;
@@ -669,11 +667,7 @@ static int spear300_pinctrl_probe(struct platform_device *pdev)
 
 	pmx_init_addr(&spear3xx_machdata, PMX_CONFIG_REG);
 
-	ret = spear_pinctrl_probe(pdev, &spear3xx_machdata);
-	if (ret)
-		return ret;
-
-	return 0;
+	return spear_pinctrl_probe(pdev, &spear3xx_machdata);
 }
 
 static struct platform_driver spear300_pinctrl_driver = {