From 1064a2b41579d77af16164f5dd7bc6948ba1d5be Mon Sep 17 00:00:00 2001
From: Alexandre TORGUE <alexandre.torgue@st.com>
Date: Thu, 20 Oct 2016 15:26:51 +0200
Subject: pinctrl: stm32: remove dependency with interrupt controller

This patch allows to probe stm32 pinctrl driver even if no interrupt
controller is defined to manage gpio irqs.

Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
index 200667f..efc4371 100644
--- a/drivers/pinctrl/stm32/pinctrl-stm32.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
@@ -1092,9 +1092,11 @@ int stm32_pctl_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	ret = stm32_pctrl_dt_setup_irq(pdev, pctl);
-	if (ret)
-		return ret;
+	if (of_find_property(np, "interrupt-parent", NULL)) {
+		ret = stm32_pctrl_dt_setup_irq(pdev, pctl);
+		if (ret)
+			return ret;
+	}
 
 	for_each_child_of_node(np, child)
 		if (of_property_read_bool(child, "gpio-controller"))
-- 
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