linux-kernel - [mnyman-xhci:for-usb-next 2/4] drivers/usb/host/xhci-ring.c:1236:6: sparse: sparse: symbol 'xhci_handle_stop_endpoint_command_timeout' was not declared. Should it be static?

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Message-ID: <202111230400.Jm2JYcK9-lkp@intel.com>
Date:   Tue, 23 Nov 2021 04:35:18 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mathias Nyman <mathias.nyman@...ux.intel.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mnyman-xhci:for-usb-next 2/4] drivers/usb/host/xhci-ring.c:1236:6:
 sparse: sparse: symbol 'xhci_handle_stop_endpoint_command_timeout' was not
 declared. Should it be static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mnyman/xhci.git for-usb-next
head:   a90f619386a961d42cde656b13e4c22c133cc775
commit: a62595355b40c10d1fcc7056ddcf4c246fc72967 [2/4] xhci: use generic command timer for stop endpoint commands.
config: i386-randconfig-s001-20211122 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/mnyman/xhci.git/commit/?id=a62595355b40c10d1fcc7056ddcf4c246fc72967
        git remote add mnyman-xhci https://git.kernel.org/pub/scm/linux/kernel/git/mnyman/xhci.git
        git fetch --no-tags mnyman-xhci for-usb-next
        git checkout a62595355b40c10d1fcc7056ddcf4c246fc72967
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/usb/host/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


sparse warnings: (new ones prefixed by >>)
   drivers/usb/host/xhci-ring.c:625:54: sparse: sparse: restricted __le32 degrades to integer
>> drivers/usb/host/xhci-ring.c:1236:6: sparse: sparse: symbol 'xhci_handle_stop_endpoint_command_timeout' was not declared. Should it be static?

vim +/xhci_handle_stop_endpoint_command_timeout +1236 drivers/usb/host/xhci-ring.c

  1235	
> 1236	void xhci_handle_stop_endpoint_command_timeout(struct xhci_hcd *xhci, struct xhci_command *cmd)
  1237	{
  1238		struct xhci_virt_ep	*ep;
  1239		u32			usbsts;
  1240		u32			field3;
  1241		char			str[XHCI_MSG_MAX];
  1242	
  1243		field3 = le32_to_cpu(cmd->command_trb->generic.field[3]);
  1244		usbsts = readl(&xhci->op_regs->status);
  1245	
  1246		xhci_warn(xhci, "xHCI host not responding to stop endpoint command.\n");
  1247		xhci_warn(xhci, "USBSTS:%s\n", xhci_decode_usbsts(str, usbsts));
  1248	
  1249		ep = xhci_get_virt_ep(xhci,
  1250				      TRB_TO_SLOT_ID(field3),
  1251				      TRB_TO_EP_INDEX(field3));
  1252		if (ep)
  1253			ep->ep_state &= ~EP_STOP_CMD_PENDING;
  1254	
  1255		xhci_halt(xhci);
  1256		xhci_hc_died(xhci);
  1257	
  1258		xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "xHCI host controller is dead.");
  1259	}
  1260	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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