linux-kernel - [PATCH v2 1/2] pinctrl: mvebu: Fix irq_of_parse_and

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Date:   Sat, 23 Apr 2022 11:41:41 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Avi Fishman <avifishman70@...il.com>,
        Tomer Maimon <tmaimon77@...il.com>,
        Tali Perry <tali.perry1@...il.com>,
        Patrick Venture <venture@...gle.com>,
        Nancy Yuen <yuenn@...gle.com>,
        Benjamin Fair <benjaminfair@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2 1/2] pinctrl: mvebu: Fix irq_of_parse_and_map() return value

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@...aro.org>

---

Changes since v1:
1. None.
---
 drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index ef4118e49f16..a140b6bfbfaa 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
@@ -764,7 +764,7 @@ 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;
 		girq->parents[i] = irq;
 	}
-- 
2.32.0