linux-kernel - Re: [PATCH v1 RESEND 1/1] HID: shield: Initial driver implementation with Thunderstrike support

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Date:   Sun, 2 Apr 2023 10:11:09 +0800
From:   kernel test robot <lkp@...el.com>
To:     Rahul Rameshbabu <rrameshbabu@...dia.com>,
        Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rahul Rameshbabu <rrameshbabu@...dia.com>
Subject: Re: [PATCH v1 RESEND 1/1] HID: shield: Initial driver implementation
 with Thunderstrike support

Hi Rahul,

I love your patch! Perhaps something to improve:

[auto build test WARNING on hid/for-next]
[also build test WARNING on linus/master v6.3-rc4 next-20230331]
[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/Rahul-Rameshbabu/HID-shield-Initial-driver-implementation-with-Thunderstrike-support/20230401-112438
base:   https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next
patch link:    https://lore.kernel.org/r/20230401032150.7424-2-rrameshbabu%40nvidia.com
patch subject: [PATCH v1 RESEND 1/1] HID: shield: Initial driver implementation with Thunderstrike support
config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20230402/202304020922.vsngJnBT-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/intel-lab-lkp/linux/commit/febf8c75cc77baaf26a8ae869201cb1df6d67124
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Rahul-Rameshbabu/HID-shield-Initial-driver-implementation-with-Thunderstrike-support/20230401-112438
        git checkout febf8c75cc77baaf26a8ae869201cb1df6d67124
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/hid/ drivers/iio/pressure/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304020922.vsngJnBT-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/hid/hid-shield.c:199:6: warning: no previous prototype for function 'thunderstrike_hostcmd_req_work_handler' [-Wmissing-prototypes]
   void thunderstrike_hostcmd_req_work_handler(struct work_struct *work)
        ^
   drivers/hid/hid-shield.c:199:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void thunderstrike_hostcmd_req_work_handler(struct work_struct *work)
   ^
   static 
   1 warning generated.


vim +/thunderstrike_hostcmd_req_work_handler +199 drivers/hid/hid-shield.c

   198	
 > 199	void thunderstrike_hostcmd_req_work_handler(struct work_struct *work)
   200	{
   201		struct thunderstrike *ts =
   202			container_of(work, struct thunderstrike, hostcmd_req_work);
   203		struct thunderstrike_hostcmd_req_report *report;
   204		unsigned long flags;
   205	
   206		report = ts->req_report_dmabuf;
   207	
   208		if (test_and_clear_bit(THUNDERSTRIKE_FW_VERSION_UPDATE, &ts->update_flags)) {
   209			thunderstrike_hostcmd_req_report_init(
   210				report, THUNDERSTRIKE_HOSTCMD_ID_FW_VERSION);
   211			thunderstrike_send_hostcmd_request(ts);
   212		}
   213	
   214		if (test_and_clear_bit(THUNDERSTRIKE_BOARD_INFO_UPDATE, &ts->update_flags)) {
   215			thunderstrike_hostcmd_req_report_init(
   216				report, THUNDERSTRIKE_HOSTCMD_ID_BOARD_INFO);
   217			thunderstrike_send_hostcmd_request(ts);
   218		}
   219	
   220		if (test_and_clear_bit(THUNDERSTRIKE_HAPTICS_UPDATE, &ts->update_flags)) {
   221			thunderstrike_hostcmd_req_report_init(
   222				report, THUNDERSTRIKE_HOSTCMD_ID_HAPTICS);
   223	
   224			report->haptics.update = 1;
   225			spin_lock_irqsave(&ts->haptics_update_lock, flags);
   226			report->haptics.motors = ts->haptics_val;
   227			spin_unlock_irqrestore(&ts->haptics_update_lock, flags);
   228	
   229			thunderstrike_send_hostcmd_request(ts);
   230		}
   231	}
   232	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests