From: Sean Nyekjaer <sean@geanix.com>
Date: Tue, 9 Apr 2019 08:39:48 +0000 (+0200)
Subject: can: flexcan: add support for DT property 'wakeup-source'
X-Git-Tag: v5.4-rc1~131^2~372^2~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=915f9666421cf65cc30668fd42760b6f78f9744d;p=thirdparty%2Fkernel%2Flinux.git

can: flexcan: add support for DT property 'wakeup-source'

The flexcan controller can be forced as a wakeup source by
stating that explicitly in the device's .dts file using the
"wakeup-source" boolean property.

Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index bcc39512f3422..09d8e623dcf63 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -1473,6 +1473,9 @@ static int flexcan_setup_stop_mode(struct platform_device *pdev)
 
 	device_set_wakeup_capable(&pdev->dev, true);
 
+	if (of_property_read_bool(np, "wakeup-source"))
+		device_set_wakeup_enable(&pdev->dev, true);
+
 	return 0;
 }