Hi Prashanth, kernel test robot noticed the following build errors: [auto build test ERROR on usb/usb-testing] [also build test ERROR on usb/usb-next usb/usb-linus linus/master v6.7-rc1 next-20231117] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Prashanth-K/usb-dwc3-core-Add-support-for-xhci-sg-trb-cache-size-quirk/20231118-135837 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/20231118055455.249088-2-quic_prashk%40quicinc.com patch subject: [PATCH 1/2] usb: dwc3: core: Add support for xhci-sg-trb-cache-size-quirk config: hexagon-randconfig-002-20231118 (https://download.01.org/0day-ci/archive/20231118/202311182312.lJrwZFwZ-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231118/202311182312.lJrwZFwZ-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/202311182312.lJrwZFwZ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/usb/dwc3/host.c:10: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:337: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from drivers/usb/dwc3/host.c:10: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:337: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from drivers/usb/dwc3/host.c:10: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:337: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ >> drivers/usb/dwc3/host.c:66:26: error: variable has incomplete type 'struct xhci_plat_priv' 66 | struct xhci_plat_priv dwc3_xhci_plat_priv = {0}; | ^ drivers/usb/dwc3/host.c:66:9: note: forward declaration of 'struct xhci_plat_priv' 66 | struct xhci_plat_priv dwc3_xhci_plat_priv = {0}; | ^ >> drivers/usb/dwc3/host.c:92:33: error: use of undeclared identifier 'XHCI_SG_TRB_CACHE_SIZE_QUIRK' 92 | dwc3_xhci_plat_priv.quirks |= XHCI_SG_TRB_CACHE_SIZE_QUIRK; | ^ 6 warnings and 2 errors generated. vim +66 drivers/usb/dwc3/host.c 61 62 int dwc3_host_init(struct dwc3 *dwc) 63 { 64 struct property_entry props[4]; 65 struct platform_device *xhci; > 66 struct xhci_plat_priv dwc3_xhci_plat_priv = {0}; 67 int ret, irq; 68 int prop_idx = 0; 69 70 irq = dwc3_host_get_irq(dwc); 71 if (irq < 0) 72 return irq; 73 74 xhci = platform_device_alloc("xhci-hcd", PLATFORM_DEVID_AUTO); 75 if (!xhci) { 76 dev_err(dwc->dev, "couldn't allocate xHCI device\n"); 77 return -ENOMEM; 78 } 79 80 xhci->dev.parent = dwc->dev; 81 82 dwc->xhci = xhci; 83 84 ret = platform_device_add_resources(xhci, dwc->xhci_resources, 85 DWC3_XHCI_RESOURCES_NUM); 86 if (ret) { 87 dev_err(dwc->dev, "couldn't add resources to xHCI device\n"); 88 goto err; 89 } 90 91 if (dwc->xhci_sg_trb_cache_size_quirk) > 92 dwc3_xhci_plat_priv.quirks |= XHCI_SG_TRB_CACHE_SIZE_QUIRK; 93 94 ret = platform_device_add_data(xhci, &dwc3_xhci_plat_priv, 95 sizeof(dwc3_xhci_plat_priv)); 96 if (ret) 97 goto err; 98 99 memset(props, 0, sizeof(struct property_entry) * ARRAY_SIZE(props)); 100 101 if (dwc->usb3_lpm_capable) 102 props[prop_idx++] = PROPERTY_ENTRY_BOOL("usb3-lpm-capable"); 103 104 if (dwc->usb2_lpm_disable) 105 props[prop_idx++] = PROPERTY_ENTRY_BOOL("usb2-lpm-disable"); 106 107 /** 108 * WORKAROUND: dwc3 revisions <=3.00a have a limitation 109 * where Port Disable command doesn't work. 110 * 111 * The suggested workaround is that we avoid Port Disable 112 * completely. 113 * 114 * This following flag tells XHCI to do just that. 115 */ 116 if (DWC3_VER_IS_WITHIN(DWC3, ANY, 300A)) 117 props[prop_idx++] = PROPERTY_ENTRY_BOOL("quirk-broken-port-ped"); 118 119 if (prop_idx) { 120 ret = device_create_managed_software_node(&xhci->dev, props, NULL); 121 if (ret) { 122 dev_err(dwc->dev, "failed to add properties to xHCI\n"); 123 goto err; 124 } 125 } 126 127 ret = platform_device_add(xhci); 128 if (ret) { 129 dev_err(dwc->dev, "failed to register xHCI device\n"); 130 goto err; 131 } 132 133 return 0; 134 err: 135 platform_device_put(xhci); 136 return ret; 137 } 138 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
