tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 1d593bdfdaff241dea4989a81386a6f45887adf2 commit: 8a64dc868d76ad19b65c65fd8168f46b4cb662cb [1784/1784] xhci: Show ZHAOXIN xHCI root hub speed correctly config: x86_64-buildonly-randconfig-002-20250916 (https://download.01.org/0day-ci/archive/20250916/202509162016.H2iGR5dg-lkp@i...) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250916/202509162016.H2iGR5dg-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202509162016.H2iGR5dg-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/usb/host/xhci-plat.c:22:

...

drivers/usb/host/xhci.h:1877:9: warning: 'XHCI_ZHAOXIN_HOST' macro redefined [-Wmacro-redefined] 1877 | #define XHCI_ZHAOXIN_HOST BIT_ULL(46) | ^ drivers/usb/host/xhci.h:1875:9: note: previous definition is here 1875 | #define XHCI_ZHAOXIN_HOST BIT_ULL(36) | ^ 1 warning generated. -- In file included from drivers/usb/host/xhci-ext-caps.c:9: drivers/usb/host/xhci.h:1877:9: warning: 'XHCI_ZHAOXIN_HOST' macro redefined [-Wmacro-redefined] 1877 | #define XHCI_ZHAOXIN_HOST BIT_ULL(46) | ^ drivers/usb/host/xhci.h:1875:9: note: previous definition is here 1875 | #define XHCI_ZHAOXIN_HOST BIT_ULL(36) | ^ 1 warning generated. In file included from drivers/usb/host/xhci-ext-caps.c:9: drivers/usb/host/xhci.h:1877:9: warning: 'XHCI_ZHAOXIN_HOST' macro redefined [-Wmacro-redefined] 1877 | #define XHCI_ZHAOXIN_HOST BIT_ULL(46) | ^ drivers/usb/host/xhci.h:1875:9: note: previous definition is here 1875 | #define XHCI_ZHAOXIN_HOST BIT_ULL(36) | ^ 1 warning generated. -- In file included from drivers/usb/host/xhci-mem.c:17: drivers/usb/host/xhci.h:1877:9: warning: 'XHCI_ZHAOXIN_HOST' macro redefined [-Wmacro-redefined] 1877 | #define XHCI_ZHAOXIN_HOST BIT_ULL(46) | ^ drivers/usb/host/xhci.h:1875:9: note: previous definition is here 1875 | #define XHCI_ZHAOXIN_HOST BIT_ULL(36) | ^ drivers/usb/host/xhci-mem.c:936:6: warning: no previous prototype for function 'xhci_free_virt_devices_depth_first' [-Wmissing-prototypes] 936 | void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_id) | ^ drivers/usb/host/xhci-mem.c:936:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 936 | void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_id) | ^ | static 2 warnings generated. drivers/usb/host/xhci-mem.c:365: warning: Function parameter or member 'xhci' not described in 'xhci_ring_alloc' drivers/usb/host/xhci-mem.c:365: warning: Function parameter or member 'num_segs' not described in 'xhci_ring_alloc' drivers/usb/host/xhci-mem.c:365: warning: Function parameter or member 'cycle_state' not described in 'xhci_ring_alloc' drivers/usb/host/xhci-mem.c:365: warning: Function parameter or member 'type' not described in 'xhci_ring_alloc' drivers/usb/host/xhci-mem.c:365: warning: Function parameter or member 'max_packet' not described in 'xhci_ring_alloc' drivers/usb/host/xhci-mem.c:365: warning: Function parameter or member 'flags' not described in 'xhci_ring_alloc' -- In file included from drivers/usb/host/xhci.c:21: drivers/usb/host/xhci.h:1877:9: warning: 'XHCI_ZHAOXIN_HOST' macro redefined [-Wmacro-redefined] 1877 | #define XHCI_ZHAOXIN_HOST BIT_ULL(46) | ^ drivers/usb/host/xhci.h:1875:9: note: previous definition is here 1875 | #define XHCI_ZHAOXIN_HOST BIT_ULL(36) | ^ 1 warning generated. drivers/usb/host/xhci.c:1258: warning: Function parameter or member 'desc' not described in 'xhci_get_endpoint_index' In file included from drivers/usb/host/xhci.c:21: drivers/usb/host/xhci.h:1877:9: warning: 'XHCI_ZHAOXIN_HOST' macro redefined [-Wmacro-redefined] 1877 | #define XHCI_ZHAOXIN_HOST BIT_ULL(46) | ^ drivers/usb/host/xhci.h:1875:9: note: previous definition is here 1875 | #define XHCI_ZHAOXIN_HOST BIT_ULL(36) | ^ 1 warning generated.

vim +/XHCI_ZHAOXIN_HOST +1877 drivers/usb/host/xhci.h 1732 1733 /* There is one xhci_hcd structure per controller */ 1734 struct xhci_hcd { 1735 struct usb_hcd *main_hcd; 1736 struct usb_hcd *shared_hcd; 1737 /* glue to PCI and HCD framework */ 1738 struct xhci_cap_regs __iomem *cap_regs; 1739 struct xhci_op_regs __iomem *op_regs; 1740 struct xhci_run_regs __iomem *run_regs; 1741 struct xhci_doorbell_array __iomem *dba; 1742 /* Our HCD's current interrupter register set */ 1743 struct xhci_intr_reg __iomem *ir_set; 1744 1745 /* Cached register copies of read-only HC data */ 1746 __u32 hcs_params1; 1747 __u32 hcs_params2; 1748 __u32 hcs_params3; 1749 __u32 hcc_params; 1750 __u32 hcc_params2; 1751 1752 spinlock_t lock; 1753 1754 /* packed release number */ 1755 u8 sbrn; 1756 u16 hci_version; 1757 u8 max_slots; 1758 u8 max_interrupters; 1759 u8 max_ports; 1760 u8 isoc_threshold; 1761 /* imod_interval in ns (I * 250ns) */ 1762 u32 imod_interval; 1763 int event_ring_max; 1764 /* 4KB min, 128MB max */ 1765 int page_size; 1766 /* Valid values are 12 to 20, inclusive */ 1767 int page_shift; 1768 /* msi-x vectors */ 1769 int msix_count; 1770 /* optional clocks */ 1771 struct clk *clk; 1772 struct clk *reg_clk; 1773 /* data structures */ 1774 struct xhci_device_context_array *dcbaa; 1775 struct xhci_ring *cmd_ring; 1776 unsigned int cmd_ring_state; 1777 #define CMD_RING_STATE_RUNNING (1 << 0) 1778 #define CMD_RING_STATE_ABORTED (1 << 1) 1779 #define CMD_RING_STATE_STOPPED (1 << 2) 1780 struct list_head cmd_list; 1781 unsigned int cmd_ring_reserved_trbs; 1782 struct delayed_work cmd_timer; 1783 struct completion cmd_ring_stop_completion; 1784 struct xhci_command *current_cmd; 1785 struct xhci_ring *event_ring; 1786 struct xhci_erst erst; 1787 /* Scratchpad */ 1788 struct xhci_scratchpad *scratchpad; 1789 /* Store LPM test failed devices' information */ 1790 struct list_head lpm_failed_devs; 1791 1792 /* slot enabling and address device helpers */ 1793 /* these are not thread safe so use mutex */ 1794 struct mutex mutex; 1795 /* For USB 3.0 LPM enable/disable. */ 1796 struct xhci_command *lpm_command; 1797 /* Internal mirror of the HW's dcbaa */ 1798 struct xhci_virt_device *devs[MAX_HC_SLOTS]; 1799 /* For keeping track of bandwidth domains per roothub. */ 1800 struct xhci_root_port_bw_info *rh_bw; 1801 1802 /* DMA pools */ 1803 struct dma_pool *device_pool; 1804 struct dma_pool *segment_pool; 1805 struct dma_pool *small_streams_pool; 1806 struct dma_pool *medium_streams_pool; 1807 1808 /* Host controller watchdog timer structures */ 1809 unsigned int xhc_state; 1810 1811 u32 command; 1812 struct s3_save s3; 1813 /* Host controller is dying - not responding to commands. "I'm not dead yet!" 1814 * 1815 * xHC interrupts have been disabled and a watchdog timer will (or has already) 1816 * halt the xHCI host, and complete all URBs with an -ESHUTDOWN code. Any code 1817 * that sees this status (other than the timer that set it) should stop touching 1818 * hardware immediately. Interrupt handlers should return immediately when 1819 * they see this status (any time they drop and re-acquire xhci->lock). 1820 * xhci_urb_dequeue() should call usb_hcd_check_unlink_urb() and return without 1821 * putting the TD on the canceled list, etc. 1822 * 1823 * There are no reports of xHCI host controllers that display this issue. 1824 */ 1825 #define XHCI_STATE_DYING (1 << 0) 1826 #define XHCI_STATE_HALTED (1 << 1) 1827 #define XHCI_STATE_REMOVING (1 << 2) 1828 unsigned long long quirks; 1829 #define XHCI_LINK_TRB_QUIRK BIT_ULL(0) 1830 #define XHCI_RESET_EP_QUIRK BIT_ULL(1) 1831 #define XHCI_NEC_HOST BIT_ULL(2) 1832 #define XHCI_AMD_PLL_FIX BIT_ULL(3) 1833 #define XHCI_SPURIOUS_SUCCESS BIT_ULL(4) 1834 /* 1835 * Certain Intel host controllers have a limit to the number of endpoint 1836 * contexts they can handle. Ideally, they would signal that they can't handle 1837 * anymore endpoint contexts by returning a Resource Error for the Configure 1838 * Endpoint command, but they don't. Instead they expect software to keep track 1839 * of the number of active endpoints for them, across configure endpoint 1840 * commands, reset device commands, disable slot commands, and address device 1841 * commands. 1842 */ 1843 #define XHCI_EP_LIMIT_QUIRK BIT_ULL(5) 1844 #define XHCI_BROKEN_MSI BIT_ULL(6) 1845 #define XHCI_RESET_ON_RESUME BIT_ULL(7) 1846 #define XHCI_SW_BW_CHECKING BIT_ULL(8) 1847 #define XHCI_AMD_0x96_HOST BIT_ULL(9) 1848 #define XHCI_TRUST_TX_LENGTH BIT_ULL(10) 1849 #define XHCI_LPM_SUPPORT BIT_ULL(11) 1850 #define XHCI_INTEL_HOST BIT_ULL(12) 1851 #define XHCI_SPURIOUS_REBOOT BIT_ULL(13) 1852 #define XHCI_COMP_MODE_QUIRK BIT_ULL(14) 1853 #define XHCI_AVOID_BEI BIT_ULL(15) 1854 #define XHCI_PLAT BIT_ULL(16) 1855 #define XHCI_SLOW_SUSPEND BIT_ULL(17) 1856 #define XHCI_SPURIOUS_WAKEUP BIT_ULL(18) 1857 /* For controllers with a broken beyond repair streams implementation */ 1858 #define XHCI_BROKEN_STREAMS BIT_ULL(19) 1859 #define XHCI_PME_STUCK_QUIRK BIT_ULL(20) 1860 #define XHCI_MTK_HOST BIT_ULL(21) 1861 #define XHCI_SSIC_PORT_UNUSED BIT_ULL(22) 1862 #define XHCI_NO_64BIT_SUPPORT BIT_ULL(23) 1863 #define XHCI_MISSING_CAS BIT_ULL(24) 1864 /* For controller with a broken Port Disable implementation */ 1865 #define XHCI_BROKEN_PORT_PED BIT_ULL(25) 1866 #define XHCI_LIMIT_ENDPOINT_INTERVAL_7 BIT_ULL(26) 1867 #define XHCI_U2_DISABLE_WAKE BIT_ULL(27) 1868 #define XHCI_ASMEDIA_MODIFY_FLOWCONTROL BIT_ULL(28) 1869 #define XHCI_HW_LPM_DISABLE BIT_ULL(29) 1870 #define XHCI_SUSPEND_DELAY BIT_ULL(30) 1871 #define XHCI_INTEL_USB_ROLE_SW BIT_ULL(31) 1872 #define XHCI_ZERO_64B_REGS BIT_ULL(32) 1873 #define XHCI_RESET_PLL_ON_DISCONNECT BIT_ULL(34) 1874 #define XHCI_SNPS_BROKEN_SUSPEND BIT_ULL(35) 1875 #define XHCI_ZHAOXIN_HOST BIT_ULL(36) 1876 #define XHCI_ZHAOXIN_TRB_FETCH BIT_ULL(45)

1877 #define XHCI_ZHAOXIN_HOST BIT_ULL(46) 1878 1879 unsigned int num_active_eps; 1880 unsigned int limit_active_eps; 1881 /* There are two roothubs to keep track of bus suspend info for */ 1882 struct xhci_bus_state bus_state[2]; 1883 struct xhci_port *hw_ports; 1884 struct xhci_hub usb2_rhub; 1885 struct xhci_hub usb3_rhub; 1886 /* support xHCI 0.96 spec USB2 software LPM */ 1887 unsigned sw_lpm_support:1; 1888 /* support xHCI 1.0 spec USB2 hardware LPM */ 1889 unsigned hw_lpm_support:1; 1890 /* Broken Suspend flag for SNPS Suspend resume issue */ 1891 unsigned broken_suspend:1; 1892 /* cached usb2 extened protocol capabilites */ 1893 u32 *ext_caps; 1894 unsigned int num_ext_caps; 1895 /* cached extended protocol port capabilities */ 1896 struct xhci_port_cap *port_caps; 1897 unsigned int num_port_caps; 1898 /* Compliance Mode Recovery Data */ 1899 struct timer_list comp_mode_recovery_timer; 1900 u32 port_status_u0; 1901 u16 test_mode; 1902 /* Compliance Mode Timer Triggered every 2 seconds */ 1903 #define COMP_MODE_RCVRY_MSECS 2000 1904 1905 struct dentry *debugfs_root; 1906 struct dentry *debugfs_slots; 1907 struct list_head regset_list; 1908 1909 void *dbc; 1910 /* platform-specific data -- must come last */ 1911 unsigned long priv[0] __aligned(sizeof(s64)); 1912 }; 1913

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