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path: root/drivers/net/ethernet/cadence/macb_main.c
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Diffstat (limited to 'drivers/net/ethernet/cadence/macb_main.c')
-rw-r--r--drivers/net/ethernet/cadence/macb_main.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 814a5b10141d..472bf8f220bc 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -470,6 +470,10 @@ static void macb_set_tx_clk(struct macb *bp, int speed)
if (!bp->tx_clk || (bp->caps & MACB_CAPS_CLK_HW_CHG))
return;
+ /* In case of MII the PHY is the clock master */
+ if (bp->phy_interface == PHY_INTERFACE_MODE_MII)
+ return;
+
switch (speed) {
case SPEED_10:
rate = 2500000;