[U-Boot] [PATCH 2/2] net: axi_emac: Check if phy was correctly detected

Michal Simek michal.simek at xilinx.com
Fri Jan 3 10:39:11 CET 2014


As tsec and fm drivers checking phydev->link
ensure that u-boot don't try access device if link is not ready.

Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---

 drivers/net/xilinx_axi_emac.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/xilinx_axi_emac.c b/drivers/net/xilinx_axi_emac.c
index bb5044b..262b67b 100644
--- a/drivers/net/xilinx_axi_emac.c
+++ b/drivers/net/xilinx_axi_emac.c
@@ -261,6 +261,10 @@ static int setup_phy(struct eth_device *dev)
 		       phydev->dev->name);
 		return 0;
 	}
+	if (!phydev->link) {
+		printf("%s: No link.\n", phydev->dev->name);
+		return 0;
+	}

 	switch (phydev->speed) {
 	case 1000:
--
1.8.2.3

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