diff options
| author | Fabio Estevam <fabio.estevam@freescale.com> | 2013-05-27 07:48:33 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-05-28 09:29:54 +0400 |
| commit | 238f7bc74cde96e285e59a84e0c7bbd37faa8c07 (patch) | |
| tree | fb6e0796574966738c80cc68cabfd00319283383 /drivers/net/ethernet/freescale/fec_main.c | |
| parent | c55284e4ddf3779f52d730bedfa264d35d42e539 (diff) | |
| download | linux-238f7bc74cde96e285e59a84e0c7bbd37faa8c07.tar.xz | |
fec: Handle the regulator in suspend/resume
In order to save power, let's disable the regulator in the suspend function and
enable it in resume.
Tested on a mx28evk board.
Signed-off-by: Fabio Estevam <fabio.estevam@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 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index cac667db61be..866b92220c15 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -2044,6 +2044,9 @@ fec_suspend(struct device *dev) clk_disable_unprepare(fep->clk_ahb); clk_disable_unprepare(fep->clk_ipg); + if (fep->reg_phy) + regulator_disable(fep->reg_phy); + return 0; } @@ -2052,6 +2055,13 @@ fec_resume(struct device *dev) { struct net_device *ndev = dev_get_drvdata(dev); struct fec_enet_private *fep = netdev_priv(ndev); + int ret; + + if (fep->reg_phy) { + ret = regulator_enable(fep->reg_phy); + if (ret) + return ret; + } clk_prepare_enable(fep->clk_enet_out); clk_prepare_enable(fep->clk_ahb); |