diff options
author | Fabio Estevam <fabio.estevam@freescale.com> | 2013-05-26 23:48:33 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2013-05-28 01:29:54 -0400 |
commit | 238f7bc74cde96e285e59a84e0c7bbd37faa8c07 (patch) | |
tree | fb6e0796574966738c80cc68cabfd00319283383 /drivers/net/ethernet/freescale | |
parent | c55284e4ddf3779f52d730bedfa264d35d42e539 (diff) |
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')
-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) | |||
2044 | clk_disable_unprepare(fep->clk_ahb); | 2044 | clk_disable_unprepare(fep->clk_ahb); |
2045 | clk_disable_unprepare(fep->clk_ipg); | 2045 | clk_disable_unprepare(fep->clk_ipg); |
2046 | 2046 | ||
2047 | if (fep->reg_phy) | ||
2048 | regulator_disable(fep->reg_phy); | ||
2049 | |||
2047 | return 0; | 2050 | return 0; |
2048 | } | 2051 | } |
2049 | 2052 | ||
@@ -2052,6 +2055,13 @@ fec_resume(struct device *dev) | |||
2052 | { | 2055 | { |
2053 | struct net_device *ndev = dev_get_drvdata(dev); | 2056 | struct net_device *ndev = dev_get_drvdata(dev); |
2054 | struct fec_enet_private *fep = netdev_priv(ndev); | 2057 | struct fec_enet_private *fep = netdev_priv(ndev); |
2058 | int ret; | ||
2059 | |||
2060 | if (fep->reg_phy) { | ||
2061 | ret = regulator_enable(fep->reg_phy); | ||
2062 | if (ret) | ||
2063 | return ret; | ||
2064 | } | ||
2055 | 2065 | ||
2056 | clk_prepare_enable(fep->clk_enet_out); | 2066 | clk_prepare_enable(fep->clk_enet_out); |
2057 | clk_prepare_enable(fep->clk_ahb); | 2067 | clk_prepare_enable(fep->clk_ahb); |