LOOPBACK_GPHY
[LOOPBACK_GPHY] = "GPHY",
[LOOPBACK_GPHY] = "GPHY",
LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY));
BUILD_BUG_ON(LOOPBACK_GPHY != MC_CMD_LOOPBACK_GPHY);
[LOOPBACK_GPHY] = "GPHY",
BUILD_BUG_ON(LOOPBACK_GPHY != MC_CMD_LOOPBACK_GPHY);