Hi Linyu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on usb/usb-testing]
[also build test WARNING on peter.chen-usb/for-usb-next next-20210902]
[cannot apply to balbi-usb/testing/next v5.14]
[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]

url:    https://github.com/0day-ci/linux/commits/Linyu-Yuan/usb-gadget-configfs-add-some-trace-event/20210902-211519
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: x86_64-randconfig-s021-20210902 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-rc1-dirty
        # https://github.com/0day-ci/linux/commit/f173b8a0bbf4b051a79b533539e4469cfe050fc1
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Linyu-Yuan/usb-gadget-configfs-add-some-trace-event/20210902-211519
        git checkout f173b8a0bbf4b051a79b533539e4469cfe050fc1
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/usb/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>


sparse warnings: (new ones prefixed by >>)
   drivers/usb/gadget/configfs_trace.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, drivers/usb/gadget/configfs_trace.h):

quoted

include/trace/../../drivers/usb/gadget/configfs_trace.h:14:1: sparse: sparse: cast to restricted __le16
include/trace/../../drivers/usb/gadget/configfs_trace.h:14:1: sparse: sparse: cast to restricted __le16
include/trace/../../drivers/usb/gadget/configfs_trace.h:14:1: sparse: sparse: restricted __le16 degrades to integer
include/trace/../../drivers/usb/gadget/configfs_trace.h:14:1: sparse: sparse: restricted __le16 degrades to integer
include/trace/../../drivers/usb/gadget/configfs_trace.h:14:1: sparse: sparse: cast to restricted __le16
include/trace/../../drivers/usb/gadget/configfs_trace.h:14:1: sparse: sparse: cast to restricted __le16
include/trace/../../drivers/usb/gadget/configfs_trace.h:14:1: sparse: sparse: restricted __le16 degrades to integer
include/trace/../../drivers/usb/gadget/configfs_trace.h:14:1: sparse: sparse: restricted __le16 degrades to integer

vim +14 include/trace/../../drivers/usb/gadget/configfs_trace.h

    13	
  > 14	DECLARE_EVENT_CLASS(log_gadget_info,
    15		TP_PROTO(struct gadget_info *gi),
    16		TP_ARGS(gi),
    17		TP_STRUCT__entry(
    18			/* gadget_info */
    19			__string(gi_group, config_item_name(&gi->group.cg_item))
    20			__field(bool, unbind)
    21	
    22			/* usb_composite_dev */
    23			__field(u8, b_vendor_code)
    24			__field(bool, suspended)
    25			__field(bool, setup_pending)
    26			__field(bool, os_desc_pending)
    27			__field(unsigned, deactivations)
    28			__field(int, delayed_status)
    29			__field(__le16, bcdUSB)
    30			__field(__le16, bcdDevice)
    31			__string(config, gi->cdev.config)
    32	
    33			/* usb_composite_driver */
    34			__field(unsigned, max_speed)
    35			__field(bool, needs_serial)
    36	
    37			/* usb_gadget_driver */
    38			__string(udc_name, gi->composite.gadget_driver.udc_name)
    39		),
    40		TP_fast_assign(
    41			__assign_str(gi_group, config_item_name(&gi->group.cg_item));
    42			__entry->unbind = gi->unbind;
    43	
    44			__entry->b_vendor_code = gi->cdev.b_vendor_code;
    45			__entry->suspended = gi->cdev.suspended;
    46			__entry->setup_pending = gi->cdev.setup_pending;
    47			__entry->os_desc_pending = gi->cdev.os_desc_pending;
    48			__entry->deactivations = gi->cdev.deactivations;
    49			__entry->delayed_status = gi->cdev.delayed_status;
    50			__entry->bcdUSB = gi->cdev.desc.bcdUSB;
    51			__entry->bcdDevice = gi->cdev.desc.bcdDevice;
    52			__assign_str(config, config_to_string(gi));
    53	
    54			__entry->max_speed = gi->composite.max_speed;
    55			__entry->needs_serial = gi->composite.needs_serial;
    56	
    57			__assign_str(udc_name, gi->composite.gadget_driver.udc_name);
    58		),
    59		TP_printk("gi_group:%s,unbind:%d,"
    60			" - "
    61			"b_vendor_code:%d,suspended:%d,setup_pending:%d,"
    62			"os_desc_pending:%d,deactivations:%d,delayed_status:%d,"
    63			"bcdUSB:%04x,bcdDevice:%04x,config:%s,"
    64			" - "
    65			"max_speed:%d,needs_serial:%d,"
    66			" - "
    67			"udc_name:%s",
    68	
    69			__get_str(gi_group),
    70			__entry->unbind,
    71	
    72			__entry->b_vendor_code,
    73			__entry->suspended,
    74			__entry->setup_pending,
    75			__entry->os_desc_pending,
    76			__entry->deactivations,
    77			__entry->delayed_status,
    78			le16_to_cpu(__entry->bcdUSB),
    79			le16_to_cpu(__entry->bcdDevice),
    80			__get_str(config),
    81	
    82			__entry->max_speed,
    83			__entry->needs_serial,
    84	
    85			__get_str(udc_name)
    86			)
    87	);
    88	

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