Commit 1f6b5dd4 authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Sascha Hauer
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ARM: mxs: acknowledge gpio irq 



This fixes a machine hang after a gpio irq triggered.

Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 5f804df3

arch/arm/mach-mxs/gpio.c

+2 −0
Original line number Diff line number Diff line
@@ -139,6 +139,8 @@ static void mxs_gpio_irq_handler(u32 irq, struct irq_desc *desc) 
	struct mxs_gpio_port *port = (struct mxs_gpio_port *)get_irq_data(irq);

	u32 gpio_irq_no_base = port->virtual_irq_start;



	desc->irq_data.chip->irq_ack(&desc->irq_data);



	irq_stat = __raw_readl(port->base + PINCTRL_IRQSTAT(port->id)) &

			__raw_readl(port->base + PINCTRL_IRQEN(port->id));