DW_VENDOR
#define FBNIC_PCS_ZERO_MASK (DW_VENDOR - FBNIC_PCS_VENDOR)
if (regnum & DW_VENDOR)
regnum ^= DW_VENDOR | FBNIC_PCS_VENDOR;
if (regnum & DW_VENDOR)
offset ^= DW_VENDOR | FBNIC_PCS_VENDOR;
return xpcs_read(xpcs, dev, DW_VENDOR | reg);
return xpcs_write(xpcs, dev, DW_VENDOR | reg, val);
return xpcs_modify(xpcs, dev, DW_VENDOR | reg, mask, set);