From 0ba78b4a4989de294dd0f17e243f1f91f07d97b3 Mon Sep 17 00:00:00 2001
From: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Date: Thu, 29 Nov 2018 17:06:31 +0900
Subject: [PATCH] net: ethernet: ave: Add suspend/resume support
This patch introduces suspend and resume functions to ave driver.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/socionext/sni_ave.c | 44 ++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/drivers/net/ethernet/socionext/sni_ave.c b/drivers/net/ethernet/socionext/sni_ave.c
index 9e7391faa1dcd..0933c13cc82a2 100644
--- a/drivers/net/ethernet/socionext/sni_ave.c
+++ b/drivers/net/ethernet/socionext/sni_ave.c
@@ -1734,6 +1734,49 @@ static int ave_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int ave_suspend(struct device *dev)
+{
+ struct net_device *ndev = dev_get_drvdata(dev);
+ struct ave_private *priv = netdev_priv(ndev);
+ int ret = 0;
+
+ if (netif_running(ndev)) {
+ ret = ave_stop(ndev);
+ netif_device_detach(ndev);
+ }
+
+ return ret;
+}
+
+static int ave_resume(struct device *dev)
+{
+ struct net_device *ndev = dev_get_drvdata(dev);
+ struct ave_private *priv = netdev_priv(ndev);
+ int ret = 0;
+
+ ave_global_reset(ndev);
+
+ if (ndev->phydev) {
+ ret = phy_resume(ndev->phydev);
+ if (ret)
+ return ret;
+ }
+
+ if (netif_running(ndev)) {
+ ret = ave_open(ndev);
+ netif_device_attach(ndev);
+ }
+
+ return ret;
+}
+
+static SIMPLE_DEV_PM_OPS(ave_pm_ops, ave_suspend, ave_resume);
+#define AVE_PM_OPS (&ave_pm_ops)
+#else
+#define AVE_PM_OPS NULL
+#endif
+
static int ave_pro4_get_pinmode(struct ave_private *priv,
phy_interface_t phy_mode, u32 arg)
{
@@ -1908,6 +1951,7 @@ static struct platform_driver ave_driver = {
.remove = ave_remove,
.driver = {
.name = "ave",
+ .pm = AVE_PM_OPS,
.of_match_table = of_ave_match,
},
};
--
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