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-rw-r--r--drivers/net/ethernet/xscale/ixp4xx_eth.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c
index ed6623a9801e..05d27fa9835f 100644
--- a/drivers/net/ethernet/xscale/ixp4xx_eth.c
+++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c
@@ -31,6 +31,7 @@
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/net_tstamp.h>
+#include <linux/of.h>
#include <linux/phy.h>
#include <linux/platform_device.h>
#include <linux/ptp_classify.h>
@@ -1497,6 +1498,15 @@ static struct platform_driver ixp4xx_eth_driver = {
static int __init eth_init_module(void)
{
int err;
+
+ /*
+ * FIXME: we bail out on device tree boot but this really needs
+ * to be fixed in a nicer way: this registers the MDIO bus before
+ * even matching the driver infrastructure, we should only probe
+ * detected hardware.
+ */
+ if (of_have_populated_dt())
+ return -ENODEV;
if ((err = ixp4xx_mdio_register()))
return err;
return platform_driver_register(&ixp4xx_eth_driver);