2 files changed, 11 insertions, 0 deletions

diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c
index 6d965bb32908..dd098ea44d48 100644
--- a/drivers/net/ethernet/freescale/fec.c
+++ b/drivers/net/ethernet/freescale/fec.c
@@ -1802,6 +1802,11 @@ fec_probe(struct platform_device *pdev)
                 goto failed_clk;
         }
 
+        /* enet_out is optional, depends on board */
+        fep->clk_enet_out = devm_clk_get(&pdev->dev, "enet_out");
+        if (IS_ERR(fep->clk_enet_out))
+                fep->clk_enet_out = NULL;
+
         fep->clk_ptp = devm_clk_get(&pdev->dev, "ptp");
         fep->bufdesc_ex =
                 pdev->id_entry->driver_data & FEC_QUIRK_HAS_BUFDESC_EX;
@@ -1812,6 +1817,7 @@ fec_probe(struct platform_device *pdev)
 
         clk_prepare_enable(fep->clk_ahb);
         clk_prepare_enable(fep->clk_ipg);
+        clk_prepare_enable(fep->clk_enet_out);
         clk_prepare_enable(fep->clk_ptp);
 
         reg_phy = devm_regulator_get(&pdev->dev, "phy");
@@ -1877,6 +1883,7 @@ failed_irq:
 failed_regulator:
         clk_disable_unprepare(fep->clk_ahb);
         clk_disable_unprepare(fep->clk_ipg);
+        clk_disable_unprepare(fep->clk_enet_out);
         clk_disable_unprepare(fep->clk_ptp);
 failed_pin:
 failed_clk:
@@ -1903,6 +1910,7 @@ fec_drv_remove(struct platform_device *pdev)
         clk_disable_unprepare(fep->clk_ptp);
         if (fep->ptp_clock)
                 ptp_clock_unregister(fep->ptp_clock);
+        clk_disable_unprepare(fep->clk_enet_out);
         clk_disable_unprepare(fep->clk_ahb);
         clk_disable_unprepare(fep->clk_ipg);
         for (i = 0; i < FEC_IRQ_NUM; i++) {
@@ -1933,6 +1941,7 @@ fec_suspend(struct device *dev)
                 fec_stop(ndev);
                 netif_device_detach(ndev);
         }
+        clk_disable_unprepare(fep->clk_enet_out);
         clk_disable_unprepare(fep->clk_ahb);
         clk_disable_unprepare(fep->clk_ipg);
 
@@ -1945,6 +1954,7 @@ fec_resume(struct device *dev)
         struct net_device *ndev = dev_get_drvdata(dev);
         struct fec_enet_private *fep = netdev_priv(ndev);
 
+        clk_prepare_enable(fep->clk_enet_out);
         clk_prepare_enable(fep->clk_ahb);
         clk_prepare_enable(fep->clk_ipg);
         if (netif_running(ndev)) {
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index eb4372962839..feabcb6a78b4 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -207,6 +207,7 @@ struct fec_enet_private {
 
         struct clk *clk_ipg;
         struct clk *clk_ahb;
+        struct clk *clk_enet_out;
         struct clk *clk_ptp;
 
         /* The saved address of a sent-in-place packet/buffer, for skfree(). */