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net: ethernet: ave: Add suspend/resume support

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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>
This commit is contained in:
Kunihiko Hayashi
2018-11-29 17:06:31 +09:00
committed by David S. Miller
parent bd82233f16
commit 0ba78b4a49
1 changed files with 44 additions and 0 deletions
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44
drivers/net/ethernet/socionext/sni_ave.c
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@@ -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,
},
};