From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 07 Nov 2013 07:50:19 +0000
Subject: [patch] gpio: mvebu: make mvchip->irqbase signed for error handling
Message-Id: <20131107075019.GH21844@elgon.mountain>
List-Id: <kernel-janitors.vger.kernel.org>
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To: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@linaro.org>, Rob Herring <rob.herring@calxeda.com>, linux-gpio@vger.kernel.org, kernel-janitors@vger.kernel.org

There is a bug in mvebu_gpio_probe() where we do:

	mvchip->irqbase = irq_alloc_descs(-1, 0, ngpios, -1);
	if (mvchip->irqbase < 0) {

The problem is that mvchip->irqbase is unsigned so the error handling
doesn't work.  I have changed it to be a regular int.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 3c3321f..db31290 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -79,7 +79,7 @@ struct mvebu_gpio_chip {
 	spinlock_t	   lock;
 	void __iomem	  *membase;
 	void __iomem	  *percpu_membase;
-	unsigned int       irqbase;
+	int		   irqbase;
 	struct irq_domain *domain;
 	int                soc_variant;
 };