From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date: Tue, 25 Jan 2011 15:54:22 +0000 (+0100)
Subject: ARM: mxs: acknowledge gpio irq
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1f6b5dd41f3b38739f0275b1539c57b34c5b22a3;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

ARM: mxs: acknowledge gpio irq

This fixes a machine hang after a gpio irq triggered.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---

diff --git a/arch/arm/mach-mxs/gpio.c b/arch/arm/mach-mxs/gpio.c
index d7ad7a61366d..cb0c0e83a527 100644
--- a/arch/arm/mach-mxs/gpio.c
+++ b/arch/arm/mach-mxs/gpio.c
@@ -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));