netdev - [PATCH v3 4/4] net: nb8800: Add support for suspend/resume

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Message-ID: <ae0d528a-d602-f399-9d75-65bf9bbf1264@sigmadesigns.com>
Date:   Tue, 14 Nov 2017 13:04:25 +0100
From:   Marc Gonzalez <marc_gonzalez@...madesigns.com>
To:     David Miller <davem@...emloft.net>, Mans Rullgard <mans@...sr.com>
CC:     netdev <netdev@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Thibaud Cornic <thibaud_cornic@...madesigns.com>,
        Mason <slash.tmp@...e.fr>
Subject: [PATCH v3 4/4] net: nb8800: Add support for suspend/resume

Signed-off-by: Marc Gonzalez <marc_gonzalez@...madesigns.com>
---
 drivers/net/ethernet/aurora/nb8800.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/drivers/net/ethernet/aurora/nb8800.c b/drivers/net/ethernet/aurora/nb8800.c
index b71d8fb80610..9af2423aed03 100644
--- a/drivers/net/ethernet/aurora/nb8800.c
+++ b/drivers/net/ethernet/aurora/nb8800.c
@@ -1437,6 +1437,26 @@ static int nb8800_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static int nb8800_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct net_device *dev = platform_get_drvdata(pdev);
+
+	if (netif_running(dev))
+		return nb8800_stop(dev);
+
+	return 0;
+}
+
+static int nb8800_resume(struct platform_device *pdev)
+{
+	struct net_device *dev = platform_get_drvdata(pdev);
+
+	if (netif_running(dev))
+		return nb8800_open(dev);
+
+	return 0;
+}
+
 static struct platform_driver nb8800_driver = {
 	.driver = {
 		.name		= "nb8800",
@@ -1444,6 +1464,8 @@ static struct platform_driver nb8800_driver = {
 	},
 	.probe	= nb8800_probe,
 	.remove	= nb8800_remove,
+	.suspend = nb8800_suspend,
+	.resume = nb8800_resume,
 };
 
 module_platform_driver(nb8800_driver);
-- 
2.15.0