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path: root/drivers/net/ethernet/cadence/macb.c
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Diffstat (limited to 'drivers/net/ethernet/cadence/macb.c')
-rw-r--r--drivers/net/ethernet/cadence/macb.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index 169059c92f80..01236465c298 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -2904,6 +2904,10 @@ static int macb_probe(struct platform_device *pdev)
else
macb_get_hwaddr(bp);
+ /* Power up the PHY if there is a GPIO reset */
+ bp->reset_gpio = devm_gpiod_get_optional(&bp->pdev->dev, "phy-reset",
+ GPIOD_OUT_HIGH);
+
err = of_get_phy_mode(np);
if (err < 0) {
pdata = dev_get_platdata(&pdev->dev);
@@ -2970,6 +2974,10 @@ static int macb_remove(struct platform_device *pdev)
mdiobus_unregister(bp->mii_bus);
kfree(bp->mii_bus->irq);
mdiobus_free(bp->mii_bus);
+
+ /* Shutdown the PHY if there is a GPIO reset */
+ gpiod_set_value(bp->reset_gpio, 0);
+
unregister_netdev(dev);
clk_disable_unprepare(bp->tx_clk);
clk_disable_unprepare(bp->hclk);
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