net: zynq_gem: Initialize phyreg variable

In case of phyread()/phy_setup_op() timeout code is working with
uninitialized phyreg variable. Initialize this variable to make sure
that code it not working with random value.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index d1436807ffb9012a9958a76fd841fe110bf54e6d..14564e365e6e18db0de58f7e46b5d1bdfa2c1a67 100644 (file)
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -244,7 +244,7 @@ static int phywrite(struct zynq_gem_priv *priv, u32 phy_addr,
 static int phy_detection(struct udevice *dev)
 {
        int i;
-       u16 phyreg;
+       u16 phyreg = 0;
        struct zynq_gem_priv *priv = dev->priv;
 
        if (priv->phyaddr != -1) {