serial-uartlite: Configure for rising edge irq trigger.

This device generates a short rising pulse on the interrupt request line.

Signed-off-by: Maarten Brock <m.brock@vanmierlo.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index 9ffbeef..c9fdfc8 100644 (file)
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c
@@ -262,7 +262,8 @@ static int ulite_startup(struct uart_port *port)
 {
        int ret;
 
-       ret = request_irq(port->irq, ulite_isr, IRQF_SHARED, "uartlite", port);
+       ret = request_irq(port->irq, ulite_isr, IRQF_SHARED | IRQF_TRIGGER_RISING,
+                         "uartlite", port);
        if (ret)
                return ret;