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>
mariux64 · Mar 8, 2016 · 106020c · 106020c
1 parent 19606ea
commit 106020c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git 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;