pinctrl: mvebu: Fix irq_of_parse_and_map() return value

[ Upstream commit 71bc7cf3be65bab441e03667cf215c557712976c ]

The irq_of_parse_and_map() returns 0 on failure, not a negative ERRNO.

Fixes: 2f227605394b ("pinctrl: armada-37xx: Add irqchip support")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220422105339.78810-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index e69b84d9538a024cccb8d741bcb830948b7fed8a..0c0f834eab82390f6af4615cb178b88524d71392 100644 (file)
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
@@ -773,7 +773,7 @@ static int armada_37xx_irqchip_register(struct platform_device *pdev,
        for (i = 0; i < nr_irq_parent; i++) {
                int irq = irq_of_parse_and_map(np, i);
 
-               if (irq < 0)
+               if (!irq)
                        continue;
 
                gpiochip_set_chained_irqchip(gc, irqchip, irq,