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-rw-r--r--drivers/net/ethernet/cadence/macb_main.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 7deae61a61d4..11074938c6bb 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -5838,6 +5838,13 @@ static int macb_probe(struct platform_device *pdev)
bp->usrio = macb_config->usrio;
+ if (of_property_read_bool(bp->pdev->dev.of_node, "cdns,timer-adjust") &&
+ IS_ENABLED(CONFIG_MACB_USE_HWSTAMP)) {
+ dev_err(&pdev->dev, "Timer adjust mode is not supported\n");
+ err = -EINVAL;
+ goto err_out_free_netdev;
+ }
+
/* By default we set to partial store and forward mode for zynqmp.
* Disable if not set in devicetree.
*/