netdev - [PATCH 1/2] can: flexcan: add support for DT property 'wakeup-source'

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190409083949.27917-1-sean@geanix.com>
Date:   Tue,  9 Apr 2019 10:39:48 +0200
From:   Sean Nyekjaer <sean@...nix.com>
To:     netdev@...r.kernel.org, linux-can@...r.kernel.org,
        mkl@...gutronix.de, robh+dt@...nel.org
Cc:     Sean Nyekjaer <sean@...nix.com>, devicetree@...r.kernel.org
Subject: [PATCH 1/2] 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@...nix.com>
---
 drivers/net/can/flexcan.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index c46e6ce22701..df3d2abd98e4 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -1373,6 +1373,9 @@ 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;
 }
 
-- 
2.21.0