From 4ed4aa20de50661de89dbe7896595e2b0bf44d5c Mon Sep 17 00:00:00 2001
From: Michal Simek <michal.simek@xilinx.com>
Date: Tue, 12 Nov 2013 14:25:29 +0100
Subject: [PATCH] net: gem: Check if phy was correctly detected
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@xilinx.com>
---
drivers/net/zynq_gem.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index 6a017a8102..381bca459e 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -339,6 +339,11 @@ static int zynq_gem_init(struct eth_device *dev, bd_t * bis)
phy_config(phydev);
phy_startup(phydev);
+ if (!phydev->link) {
+ printf("%s: No link.\n", phydev->dev->name);
+ return -1;
+ }
+
switch (phydev->speed) {
case SPEED_1000:
writel(ZYNQ_GEM_NWCFG_INIT | ZYNQ_GEM_NWCFG_SPEED1000,
--
2.39.5