Hi Dan, I love your patch! Yet something to improve: [auto build test ERROR on net-next/master] url: https://github.com/0day-ci/linux/commits/Dan-Murphy/DP83TD510-Single-Pair-10Mbps-Ethernet-PHY/20201118-041918 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 72308ecbf33b145641aba61071be31a85ebfd92c config: arm-randconfig-m031-20201118 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/ec556cedbd640ecfa25713eadf48e5b7ee74fda3 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Dan-Murphy/DP83TD510-Single-Pair-10Mbps-Ethernet-PHY/20201118-041918 git checkout ec556cedbd640ecfa25713eadf48e5b7ee74fda3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/net/phy/dp83td510.c: In function 'dp83869_of_init': >> drivers/net/phy/dp83td510.c:450:2: error: 'dp83td510' undeclared (first use in this function) 450 | dp83td510->hi_diff_output = DP83TD510_2_4V_P2P | ^~~~~~~~~ drivers/net/phy/dp83td510.c:450:2: note: each undeclared identifier is reported only once for each function it appears in >> drivers/net/phy/dp83td510.c:451:2: error: expected ';' before 'dp83td510' 451 | dp83td510->tx_fifo_depth = DP83TD510_FIFO_DEPTH_5_B_NIB | ^~~~~~~~~ drivers/net/phy/dp83td510.c:453:1: error: no return statement in function returning non-void [-Werror=return-type] 453 | } | ^ drivers/net/phy/dp83td510.c: In function 'dp83td510_probe': >> drivers/net/phy/dp83td510.c:468:8: error: implicit declaration of function 'dp83td510_of_init'; did you mean 'dp83td510_config_init'? [-Werror=implicit-function-declaration] 468 | ret = dp83td510_of_init(phydev); | ^~~~~~~~~~~~~~~~~ | dp83td510_config_init At top level: drivers/net/phy/dp83td510.c:448:12: warning: 'dp83869_of_init' defined but not used [-Wunused-function] 448 | static int dp83869_of_init(struct phy_device *phydev) | ^~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/dp83td510 +450 drivers/net/phy/dp83td510.c 390 391 #if IS_ENABLED(CONFIG_OF_MDIO) 392 static int dp83td510_of_init(struct phy_device *phydev) 393 { 394 struct dp83td510_private *dp83td510 = phydev->priv; 395 struct device *dev = &phydev->mdio.dev; 396 struct device_node *of_node = dev->of_node; 397 s32 rx_int_delay; 398 s32 tx_int_delay; 399 int ret; 400 401 if (!of_node) 402 return -ENODEV; 403 404 ret = of_property_read_u32(phydev->mdio.dev.of_node, 405 "max-tx-rx-p2p-microvolt", 406 &dp83td510->hi_diff_output); 407 if (ret) 408 dp83td510->hi_diff_output = DP83TD510_2_4V_P2P; 409 410 if (dp83td510->hi_diff_output != DP83TD510_2_4V_P2P && 411 dp83td510->hi_diff_output != DP83TD510_1_1V_P2P) 412 return -EINVAL; 413 414 if (of_property_read_u32(phydev->mdio.dev.of_node, "tx-fifo-depth", 415 &dp83td510->tx_fifo_depth)) 416 dp83td510->tx_fifo_depth = DP83TD510_FIFO_DEPTH_5_B_NIB; 417 418 switch (dp83td510->tx_fifo_depth) { 419 case 4: 420 dp83td510->tx_fifo_depth = DP83TD510_FIFO_DEPTH_4_B_NIB; 421 break; 422 case 6: 423 dp83td510->tx_fifo_depth = DP83TD510_FIFO_DEPTH_6_B_NIB; 424 break; 425 case 8: 426 dp83td510->tx_fifo_depth = DP83TD510_FIFO_DEPTH_8_B_NIB; 427 break; 428 case 5: 429 default: 430 dp83td510->tx_fifo_depth = DP83TD510_FIFO_DEPTH_5_B_NIB; 431 } 432 433 rx_int_delay = phy_get_internal_delay(phydev, dev, NULL, 0, true); 434 if (rx_int_delay <= 0) 435 dp83td510->rgmii_delay = DP83TD510_RX_CLK_SHIFT; 436 else 437 dp83td510->rgmii_delay = 0; 438 439 tx_int_delay = phy_get_internal_delay(phydev, dev, NULL, 0, false); 440 if (tx_int_delay <= 0) 441 dp83td510->rgmii_delay |= DP83TD510_TX_CLK_SHIFT; 442 else 443 dp83td510->rgmii_delay &= ~DP83TD510_TX_CLK_SHIFT; 444 445 return 0; 446 } 447 #else 448 static int dp83869_of_init(struct phy_device *phydev) 449 { > 450 dp83td510->hi_diff_output = DP83TD510_2_4V_P2P > 451 dp83td510->tx_fifo_depth = DP83TD510_FIFO_DEPTH_5_B_NIB 452 return 0; 453 } 454 #endif /* CONFIG_OF_MDIO */ 455 456 static int dp83td510_probe(struct phy_device *phydev) 457 { 458 struct dp83td510_private *dp83td510; 459 int ret; 460 461 dp83td510 = devm_kzalloc(&phydev->mdio.dev, sizeof(*dp83td510), 462 GFP_KERNEL); 463 if (!dp83td510) 464 return -ENOMEM; 465 466 phydev->priv = dp83td510; 467 > 468 ret = dp83td510_of_init(phydev); 469 if (ret) 470 return ret; 471 472 return dp83td510_config_init(phydev); 473 } 474 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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