提交 618073e3 编写于 作者: M Mugunthan V N 提交者: David S. Miller

drivers: net: cpsw: dual_emac: in suspend/resume bring down/up all the netdev

During suspend and resume in Dual EMAC, second port is not working as in
suspend/resume only the first slave netdev is closed and opened. So bring
down and up all the interfaces that are up during suspend/resume.
Signed-off-by: NMugunthan V N <mugunthanvnm@ti.com>
Tested-by: NNishanth Menon <nm@ti.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 0bc9b73b
......@@ -2334,10 +2334,19 @@ static int cpsw_suspend(struct device *dev)
struct net_device *ndev = platform_get_drvdata(pdev);
struct cpsw_priv *priv = netdev_priv(ndev);
if (netif_running(ndev))
cpsw_ndo_stop(ndev);
if (priv->data.dual_emac) {
int i;
for_each_slave(priv, soft_reset_slave);
for (i = 0; i < priv->data.slaves; i++) {
if (netif_running(priv->slaves[i].ndev))
cpsw_ndo_stop(priv->slaves[i].ndev);
soft_reset_slave(priv->slaves + i);
}
} else {
if (netif_running(ndev))
cpsw_ndo_stop(ndev);
for_each_slave(priv, soft_reset_slave);
}
pm_runtime_put_sync(&pdev->dev);
......@@ -2351,14 +2360,24 @@ static int cpsw_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct net_device *ndev = platform_get_drvdata(pdev);
struct cpsw_priv *priv = netdev_priv(ndev);
pm_runtime_get_sync(&pdev->dev);
/* Select default pin state */
pinctrl_pm_select_default_state(&pdev->dev);
if (netif_running(ndev))
cpsw_ndo_open(ndev);
if (priv->data.dual_emac) {
int i;
for (i = 0; i < priv->data.slaves; i++) {
if (netif_running(priv->slaves[i].ndev))
cpsw_ndo_open(priv->slaves[i].ndev);
}
} else {
if (netif_running(ndev))
cpsw_ndo_open(ndev);
}
return 0;
}
......
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