Merge tag 'dt-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

[linux.git] / drivers / net / ethernet / freescale / fec_main.c

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index b9748f14ea78315678e0222751f430cd09fc31ec..e25bf832e6b3e1f5695f7075537cef6d711c3706 100644 (file)
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1883,18 +1883,23 @@ 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;
        if (IS_ERR(fep->clk_ptp)) {
-               ret = PTR_ERR(fep->clk_ptp);
+               fep->clk_ptp = NULL;
                fep->bufdesc_ex = 0;
        }
 
        clk_prepare_enable(fep->clk_ahb);
        clk_prepare_enable(fep->clk_ipg);
-       if (!IS_ERR(fep->clk_ptp))
-               clk_prepare_enable(fep->clk_ptp);
+       clk_prepare_enable(fep->clk_enet_out);
+       clk_prepare_enable(fep->clk_ptp);
 
        reg_phy = devm_regulator_get(&pdev->dev, "phy");
        if (!IS_ERR(reg_phy)) {
@@ -1962,8 +1967,8 @@ failed_irq:
 failed_regulator:
        clk_disable_unprepare(fep->clk_ahb);
        clk_disable_unprepare(fep->clk_ipg);
-       if (!IS_ERR(fep->clk_ptp))
-               clk_disable_unprepare(fep->clk_ptp);
+       clk_disable_unprepare(fep->clk_enet_out);
+       clk_disable_unprepare(fep->clk_ptp);
 failed_pin:
 failed_clk:
 failed_ioremap:
@@ -1985,6 +1990,7 @@ 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++) {
@@ -2010,6 +2016,7 @@ 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);
 
@@ -2022,6 +2029,7 @@ 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)) {