From: Maarten Brock <m.brock@vanmierlo.com>
Date: Tue, 16 Feb 2016 17:59:04 +0000 (+0100)
Subject: serial-uartlite: Configure for rising edge irq trigger.
X-Git-Tag: v4.6-rc1~118^2~20
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=106020ccee79c7fcf3875c47000525d957c9bcf1;p=karo-tx-linux.git

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 9ffbeef913e1..c9fdfc8bf47f 100644
--- 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;