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path: root/drivers/net/ethernet/renesas
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Diffstat (limited to 'drivers/net/ethernet/renesas')
-rw-r--r--drivers/net/ethernet/renesas/ravb.h1
-rw-r--r--drivers/net/ethernet/renesas/ravb_main.c10
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h
index cb47e68c1a3e..86a1eb0634e8 100644
--- a/drivers/net/ethernet/renesas/ravb.h
+++ b/drivers/net/ethernet/renesas/ravb.h
@@ -993,6 +993,7 @@ struct ravb_private {
struct platform_device *pdev;
void __iomem *addr;
struct clk *clk;
+ struct clk *refclk;
struct mdiobb_ctrl mdiobb;
u32 num_rx_ring[NUM_RX_QUEUE];
u32 num_tx_ring[NUM_TX_QUEUE];
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index eb0c03bdb12d..1409ae986aa2 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -2148,6 +2148,13 @@ static int ravb_probe(struct platform_device *pdev)
goto out_release;
}
+ priv->refclk = devm_clk_get_optional(&pdev->dev, "refclk");
+ if (IS_ERR(priv->refclk)) {
+ error = PTR_ERR(priv->refclk);
+ goto out_release;
+ }
+ clk_prepare_enable(priv->refclk);
+
ndev->max_mtu = 2048 - (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN);
ndev->min_mtu = ETH_MIN_MTU;
@@ -2244,6 +2251,7 @@ out_dma_free:
if (chip_id != RCAR_GEN2)
ravb_ptp_stop(ndev);
out_release:
+ clk_disable_unprepare(priv->refclk);
free_netdev(ndev);
pm_runtime_put(&pdev->dev);
@@ -2260,6 +2268,8 @@ static int ravb_remove(struct platform_device *pdev)
if (priv->chip_id != RCAR_GEN2)
ravb_ptp_stop(ndev);
+ clk_disable_unprepare(priv->refclk);
+
dma_free_coherent(ndev->dev.parent, priv->desc_bat_size, priv->desc_bat,
priv->desc_bat_dma);
/* Set reset mode */