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

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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: Mugunthan V N <mugunthanvnm@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mugunthan V N 2014-09-11 22:52:38 +05:30 committed by David S. Miller
parent 0bc9b73be4
commit 618073e30c
1 changed files with 24 additions and 5 deletions
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21
drivers/net/ethernet/ti/cpsw.c
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@ -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 (priv->data.dual_emac) {
int i;
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 (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;
}