tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing head: a160e1202ca318a85c70cf5831f172cc79a24c57 commit: 846b4bacf2d48212f271fc1ef7488bcdf2c75bcb [7/12] usb: dwc3: core: Refactor PHY logic to support Multiport Controller config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20240424/202404241215.Mib19Cu7-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240424/202404241215.Mib19Cu7-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202404241215.Mib19Cu7-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/usb/dwc3/core.c: In function 'dwc3_core_get_phy': >> drivers/usb/dwc3/core.c:1482:69: warning: '%d' directive output may be truncated writing between 1 and 11 bytes into a region of size 4 [-Wformat-truncation=] 1482 | snprintf(phy_name, sizeof(phy_name), "usb2-%d", i); | ^~ drivers/usb/dwc3/core.c:1482:63: note: directive argument in the range [-2147483641, 254] 1482 | snprintf(phy_name, sizeof(phy_name), "usb2-%d", i); | ^~~~~~~~~ drivers/usb/dwc3/core.c:1482:25: note: 'snprintf' output between 7 and 17 bytes into a destination of size 9 1482 | snprintf(phy_name, sizeof(phy_name), "usb2-%d", i); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/dwc3/core.c:1499:68: warning: '%d' directive output may be truncated writing between 1 and 11 bytes into a region of size 4 [-Wformat-truncation=] 1499 | snprintf(phy_name, sizeof(phy_name), "usb3-%d", i); | ^~ drivers/usb/dwc3/core.c:1499:62: note: directive argument in the range [-2147483641, 254] 1499 | snprintf(phy_name, sizeof(phy_name), "usb3-%d", i); | ^~~~~~~~~ drivers/usb/dwc3/core.c:1499:25: note: 'snprintf' output between 7 and 17 bytes into a destination of size 9 1499 | snprintf(phy_name, sizeof(phy_name), "usb3-%d", i); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +1482 drivers/usb/dwc3/core.c 1445 1446 static int dwc3_core_get_phy(struct dwc3 *dwc) 1447 { 1448 struct device *dev = dwc->dev; 1449 struct device_node *node = dev->of_node; 1450 char phy_name[9]; 1451 int ret; 1452 int i; 1453 1454 if (node) { 1455 dwc->usb2_phy = devm_usb_get_phy_by_phandle(dev, "usb-phy", 0); 1456 dwc->usb3_phy = devm_usb_get_phy_by_phandle(dev, "usb-phy", 1); 1457 } else { 1458 dwc->usb2_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2); 1459 dwc->usb3_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB3); 1460 } 1461 1462 if (IS_ERR(dwc->usb2_phy)) { 1463 ret = PTR_ERR(dwc->usb2_phy); 1464 if (ret == -ENXIO || ret == -ENODEV) 1465 dwc->usb2_phy = NULL; 1466 else 1467 return dev_err_probe(dev, ret, "no usb2 phy configured\n"); 1468 } 1469 1470 if (IS_ERR(dwc->usb3_phy)) { 1471 ret = PTR_ERR(dwc->usb3_phy); 1472 if (ret == -ENXIO || ret == -ENODEV) 1473 dwc->usb3_phy = NULL; 1474 else 1475 return dev_err_probe(dev, ret, "no usb3 phy configured\n"); 1476 } 1477 1478 for (i = 0; i < dwc->num_usb2_ports; i++) { 1479 if (dwc->num_usb2_ports == 1) 1480 snprintf(phy_name, sizeof(phy_name), "usb2-phy"); 1481 else > 1482 snprintf(phy_name, sizeof(phy_name), "usb2-%d", i); 1483 1484 dwc->usb2_generic_phy[i] = devm_phy_get(dev, phy_name); 1485 if (IS_ERR(dwc->usb2_generic_phy[i])) { 1486 ret = PTR_ERR(dwc->usb2_generic_phy[i]); 1487 if (ret == -ENOSYS || ret == -ENODEV) 1488 dwc->usb2_generic_phy[i] = NULL; 1489 else 1490 return dev_err_probe(dev, ret, "failed to lookup phy %s\n", 1491 phy_name); 1492 } 1493 } 1494 1495 for (i = 0; i < dwc->num_usb3_ports; i++) { 1496 if (dwc->num_usb3_ports == 1) 1497 snprintf(phy_name, sizeof(phy_name), "usb3-phy"); 1498 else 1499 snprintf(phy_name, sizeof(phy_name), "usb3-%d", i); 1500 1501 dwc->usb3_generic_phy[i] = devm_phy_get(dev, phy_name); 1502 if (IS_ERR(dwc->usb3_generic_phy[i])) { 1503 ret = PTR_ERR(dwc->usb3_generic_phy[i]); 1504 if (ret == -ENOSYS || ret == -ENODEV) 1505 dwc->usb3_generic_phy[i] = NULL; 1506 else 1507 return dev_err_probe(dev, ret, "failed to lookup phy %s\n", 1508 phy_name); 1509 } 1510 } 1511 1512 return 0; 1513 } 1514 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
