Hi "Fabio,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on staging/staging-testing]

url:    https://github.com/0day-ci/linux/commits/Fabio-M-De-Francesco/staging-r8188eu-Shorten-and-simplify-calls-chain/20210904-231010
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git fde4862d1ac7100028da4371d92454fec6cf3f4f
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gcc (GCC) 11.2.0
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/a08da7fbe9a78b73da29c82c244b022186aa035c
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Fabio-M-De-Francesco/staging-r8188eu-Shorten-and-simplify-calls-chain/20210904-231010
        git checkout a08da7fbe9a78b73da29c82c244b022186aa035c
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sh SHELL=/bin/bash drivers/staging/

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

All errors (new ones prefixed by >>):

   drivers/staging/r8188eu/hal/usb_ops_linux.c: In function 'usb_write':
>> drivers/staging/r8188eu/hal/usb_ops_linux.c:105:47: error: 'REALTEK_USB_VENQT_SEND' undeclared (first use in this function); did you mean 'REALTEK_USB_VENQT_READ'?
     105 |                                               REALTEK_USB_VENQT_SEND, value,
         |                                               ^~~~~~~~~~~~~~~~~~~~~~
         |                                               REALTEK_USB_VENQT_READ
   drivers/staging/r8188eu/hal/usb_ops_linux.c:105:47: note: each undeclared identifier is reported only once for each function it appears in


vim +105 drivers/staging/r8188eu/hal/usb_ops_linux.c

    75	
    76	static int usb_write(struct intf_hdl *intfhdl, u32 addr, void *data, u8 size)
    77	{
    78		u16 value = (u16)(addr & 0x0000ffff);
    79		struct adapter *adapt = intfhdl->padapter;
    80		struct dvobj_priv *dvobjpriv = adapter_to_dvobj(adapt);
    81		struct usb_device *udev = dvobjpriv->pusbdev;
    82		int status;
    83		u8 *io_buf;
    84		int vendorreq_times = 0;
    85	
    86		if (adapt->bSurpriseRemoved || adapt->pwrctrlpriv.pnp_bstop_trx) {
    87			status = -EPERM;
    88			goto exit;
    89		}
    90	
    91		mutex_lock(&dvobjpriv->usb_vendor_req_mutex);
    92	
    93		/*  Acquire IO memory for vendorreq */
    94		io_buf = dvobjpriv->usb_vendor_req_buf;
    95	
    96		if (!io_buf) {
    97			DBG_88E("[%s] io_buf == NULL\n", __func__);
    98			status = -ENOMEM;
    99			goto release_mutex;
   100		}
   101	
   102		memcpy(io_buf, data, size);
   103		while (++vendorreq_times <= MAX_USBCTRL_VENDORREQ_TIMES) {
   104			status = usb_control_msg_send(udev, 0, REALTEK_USB_VENQT_CMD_REQ,
 > 105						      REALTEK_USB_VENQT_SEND, value,
   106						      REALTEK_USB_VENQT_CMD_IDX, io_buf,
   107						      size, RTW_USB_CONTROL_MSG_TIMEOUT,
   108						      GFP_KERNEL);
   109			if (!status) {   /*  Success this control transfer. */
   110				rtw_reset_continual_urb_error(dvobjpriv);
   111			} else { /*  error cases */
   112				DBG_88E("reg 0x%x, usb %s %u fail, status:%d vendorreq_times:%d\n",
   113					value, "read", size, status, vendorreq_times);
   114	
   115				if (status == (-ESHUTDOWN) || status == -ENODEV) {
   116					adapt->bSurpriseRemoved = true;
   117				} else {
   118					struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
   119	
   120					haldata->srestpriv.wifi_error_status = USB_VEN_REQ_CMD_FAIL;
   121				}
   122	
   123				if (rtw_inc_and_chk_continual_urb_error(dvobjpriv)) {
   124					adapt->bSurpriseRemoved = true;
   125					break;
   126				}
   127			}
   128	
   129			/*  firmware download is checksummed, don't retry */
   130			if ((value >= FW_8188E_START_ADDRESS && value <= FW_8188E_END_ADDRESS) || !status)
   131				break;
   132		}
   133	
   134	release_mutex:
   135		mutex_unlock(&dvobjpriv->usb_vendor_req_mutex);
   136	exit:
   137		return status;
   138	}
   139	

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