Hi, `mode` remains uninitialized when `lane_phy_type` isn't PHY_TYPE_DP or PHY_TYPE_QSGMII. I've checked the dtsi (k3-j721e-common-proc- board.dts) and possible values of `lane_phy_type` are justPHY_TYPE_USB3 and PHY_TYPE_PCIE. If this is correct, the mode will remain uninitialized with garbage value. `mode` should be initialized to what? It seems like it is highly implementation dependent. /drivers/phy/ti/phy-j721e-wiz.c: 344 in wiz_mode_select() 338 for (i = 0; i < num_lanes; i++) { 339 if (wiz->lane_phy_type[i] == PHY_TYPE_DP) 340 mode = LANE_MODE_GEN1; 341 else if (wiz->lane_phy_type[i] == PHY_TYPE_QSGMII) 342 mode = LANE_MODE_GEN2; 343 >>> CID 1503592: Uninitialized variables (UNINIT) >>> Using uninitialized value "mode" when calling "regmap_field_write". 344 ret = regmap_field_write(wiz->p_standard_mode[i], mode); 345 if (ret) 346 return ret; 347 } 348 349 return 0; Thanks, Usama