PHYID returns 0xffff and not 0xffffffff when not found and in some
case(at91sam9263) 0x0. Maybe this patch could be useful.
Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
if (r)
return ERR_PTR(r);
- /* If the phy_id is all Fs, there is no device there */
- if (0xffffffff == phy_id)
+ /* If the phy_id is all Fs or all 0s, there is no device there */
+ if ((0xffff == phy_id) || (0x00 == phy_id))
return NULL;
dev = phy_device_create(bus, addr, phy_id);