fec: Enable/disable clk_ptp in suspend/resume

clk_ptp should also be enabled in fec_resume() and disabled in fec_suspend().

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 5c34fd8..0a4ace7 100644 (file)
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -2234,6 +2234,8 @@ fec_suspend(struct device *dev)
                fec_stop(ndev);
                netif_device_detach(ndev);
        }
+       if (fep->clk_ptp)
+               clk_disable_unprepare(fep->clk_ptp);
        if (fep->clk_enet_out)
                clk_disable_unprepare(fep->clk_enet_out);
        clk_disable_unprepare(fep->clk_ipg);
@@ -2262,6 +2264,8 @@ fec_resume(struct device *dev)
        clk_prepare_enable(fep->clk_ipg);
        if (fep->clk_enet_out)
                clk_prepare_enable(fep->clk_enet_out);
+       if (fep->clk_ptp)
+               clk_prepare_enable(fep->clk_ptp);
        if (netif_running(ndev)) {
                fec_restart(ndev, fep->full_duplex);
                netif_device_attach(ndev);