ENGR00153218 mxc gpio: tzic should not disable gpio interrupt line

For SOC using TZIC, gpio_irq_handler should not call tzic chip ack
funtion, cause it will disable this interrupt line.

Signed-off-by: Jason Chen <b02280@freescale.com>

diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c
index a287e50bebcb3b6eee92b1b4e1342ec593c88e6d..0a4743a355da7edad249dc39afb68a6f08043203 100755 (executable)
--- a/arch/arm/plat-mxc/gpio.c
+++ b/arch/arm/plat-mxc/gpio.c
@@ -177,7 +177,9 @@ static void mx3_gpio_irq_handler(u32 irq, struct irq_desc *desc)
        u32 irq_stat;
        struct mxc_gpio_port *port = irq_get_handler_data(irq);
 
+#ifndef CONFIG_MXC_TZIC
        desc->irq_data.chip->irq_ack(&desc->irq_data);
+#endif
 
        irq_stat = __raw_readl(port->base + GPIO_ISR) &
                        __raw_readl(port->base + GPIO_IMR);