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>

diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index 6a017a8102736d95286f2659d424ff4270306a99..381bca459e161f0d72b926bc2bbc08b712b142d3 100644 (file)
--- 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,