From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sun, 18 Dec 2011 11:43:56 +0000 (+0000)
Subject: ARM: amba: make use of -1 IRQs warn
X-Git-Tag: firefly_0821_release~3680^2~3265^2~18
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2eac58d5026e4ec8b17ff8b62877fea9e1d2f1b3;p=firefly-linux-kernel-4.4.55.git

ARM: amba: make use of -1 IRQs warn

Make the core warn about the use of -1 (NO_IRQ)

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index d15acbb4d59e..01c2cf4efcdd 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -511,6 +511,9 @@ int amba_device_add(struct amba_device *dev, struct resource *parent)
 	void __iomem *tmp;
 	int i, ret;
 
+	WARN_ON(dev->irq[0] == (unsigned int)-1);
+	WARN_ON(dev->irq[1] == (unsigned int)-1);
+
 	ret = request_resource(parent, &dev->res);
 	if (ret)
 		goto err_out;