diff options
| author | Mugunthan V N <mugunthanvnm@ti.com> | 2014-09-11 22:52:38 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-13 13:00:05 -0400 |
| commit | 618073e30c225ddaef086c030a5f0a3c7ef2d323 (patch) | |
| tree | 0a674ba37d9307984a7bc3045a7456e3a82cc298 /drivers/net/ethernet/ti/cpsw.c | |
| parent | 0bc9b73be43b21838973e80ddeb5250f0310ebf7 (diff) | |
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: Mugunthan V N <mugunthanvnm@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/ti/cpsw.c')
| -rw-r--r-- | drivers/net/ethernet/ti/cpsw.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 411232f07c3..e2a00287f8e 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -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; } |