Commit a77929a2 authored by Grant Grundler's avatar Grant Grundler Committed by David S. Miller

net-next:asix:poll in asix_get_phyid in case phy not ready

Sometimes the phy isn't ready after reset...poll and pray it will be soon.
Signed-off-by: default avatarFreddy Xin <freddy@asix.com.tw>
Signed-off-by: default avatarGrant Grundler <grundler@chromium.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3486140e
......@@ -652,9 +652,17 @@ static u32 asix_get_phyid(struct usbnet *dev)
{
int phy_reg;
u32 phy_id;
int i;
phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
if (phy_reg < 0)
/* Poll for the rare case the FW or phy isn't ready yet. */
for (i = 0; i < 100; i++) {
phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
if (phy_reg != 0 && phy_reg != 0xFFFF)
break;
mdelay(1);
}
if (phy_reg <= 0 || phy_reg == 0xFFFF)
return 0;
phy_id = (phy_reg & 0xffff) << 16;
......
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