From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Tue, 21 Apr 2009 10:39:59 +0000 (+0200)
Subject: MXC: remove BUG_ON in interrupt handler
X-Git-Tag: firefly_0821_release~13934^2~29^2~60
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e2c97e7fdc9d71637840dea8f76eb3782c3b2023;p=firefly-linux-kernel-4.4.55.git

MXC: remove BUG_ON in interrupt handler

On i.MX31 I sometimes get spurious interrupts. There is no need
to crash the whole system when this happens. Instead, silently
ignore it.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---

diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c
index c6483bad8a26..89e95798cc3b 100644
--- a/arch/arm/plat-mxc/gpio.c
+++ b/arch/arm/plat-mxc/gpio.c
@@ -124,7 +124,7 @@ static void mx3_gpio_irq_handler(u32 irq, struct irq_desc *desc)
 
 	irq_stat = __raw_readl(port->base + GPIO_ISR) &
 			__raw_readl(port->base + GPIO_IMR);
-	BUG_ON(!irq_stat);
+
 	mxc_gpio_irq_handler(port, irq_stat);
 }
 #endif