diff options
| author |   Nimrod Andy <B38611@freescale.com> | 2014-05-27 15:51:08 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-05-30 17:03:21 -0700 |
| commit | 5bbde4d2ec8061a9cdad3f7a08d61c4d78e57e0e (patch) | |
| tree | 369541290f7e4a2b313d554a8284bc4d7df4f012 /drivers/net/ethernet/freescale/fec_main.c | |
| parent | net: filter: use block statements in tcpdump tests (diff) | |
| download | linux-dev-5bbde4d2ec8061a9cdad3f7a08d61c4d78e57e0e.tar.xz linux-dev-5bbde4d2ec8061a9cdad3f7a08d61c4d78e57e0e.zip | |
net: fec: use pinctrl PM helpers
when system suspend, need to set pins to low power state to
save IO power consumption, there are three states of pinctrl:
"default", "idle" and "sleep". Currently enet supports default
and sleep state.
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/fec_main.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/fec_main.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index cb5c987bee39..4d989b2df420 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1816,6 +1816,7 @@ fec_enet_open(struct net_device *ndev) struct fec_enet_private *fep = netdev_priv(ndev); int ret; + pinctrl_pm_select_default_state(&fep->pdev->dev); ret = fec_enet_clk_enable(ndev, true); if (ret) return ret; @@ -1859,6 +1860,7 @@ fec_enet_close(struct net_device *ndev) } fec_enet_clk_enable(ndev, false); + pinctrl_pm_select_sleep_state(&fep->pdev->dev); fec_enet_free_buffers(ndev); return 0; @@ -2162,6 +2164,9 @@ fec_probe(struct platform_device *pdev) fep->pause_flag |= FEC_PAUSE_FLAG_AUTONEG; #endif + /* Select default pin state */ + pinctrl_pm_select_default_state(&pdev->dev); + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); fep->hwp = devm_ioremap_resource(&pdev->dev, r); if (IS_ERR(fep->hwp)) { @@ -2258,6 +2263,7 @@ fec_probe(struct platform_device *pdev) /* Carrier starts down, phylib will bring it up */ netif_carrier_off(ndev); fec_enet_clk_enable(ndev, false); + pinctrl_pm_select_sleep_state(&pdev->dev); ret = register_netdev(ndev); if (ret) @@ -2317,6 +2323,7 @@ fec_suspend(struct device *dev) netif_device_detach(ndev); } fec_enet_clk_enable(ndev, false); + pinctrl_pm_select_sleep_state(&fep->pdev->dev); if (fep->reg_phy) regulator_disable(fep->reg_phy); @@ -2337,6 +2344,7 @@ fec_resume(struct device *dev) return ret; } + pinctrl_pm_select_default_state(&fep->pdev->dev); ret = fec_enet_clk_enable(ndev, true); if (ret) goto failed_clk; |