[linux-next:master 5852/7483] drivers/net/wireless/purelifi/plfxlc/chip.c:33:14: sparse: sparse: cast to restricted __le16

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   bdc61aad77faf67187525028f1f355eff3849f22
commit: 68d57a07bfe5bb29b80cd8b8fa24c9d1ea104124 [5852/7483] wireless: add plfxlc driver for pureLiFi X, XL, XC devices
config: alpha-allmodconfig (https://download.01.org/0day-ci/archive/20220429/202204290641.UGDfvg2b-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 11.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=68d57a07bfe5bb29b80cd8b8fa24c9d1ea104124
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 68d57a07bfe5bb29b80cd8b8fa24c9d1ea104124
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=alpha SHELL=/bin/bash drivers/net/wireless/purelifi/plfxlc/

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


sparse warnings: (new ones prefixed by >>)
>> drivers/net/wireless/purelifi/plfxlc/chip.c:33:14: sparse: sparse: cast to restricted __le16
>> drivers/net/wireless/purelifi/plfxlc/chip.c:36:31: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned short [usertype] beacon_interval @@     got restricted __le16 [usertype] @@
   drivers/net/wireless/purelifi/plfxlc/chip.c:36:31: sparse:     expected unsigned short [usertype] beacon_interval
   drivers/net/wireless/purelifi/plfxlc/chip.c:36:31: sparse:     got restricted __le16 [usertype]

vim +33 drivers/net/wireless/purelifi/plfxlc/chip.c

    27	
    28	int plfxlc_set_beacon_interval(struct plfxlc_chip *chip, u16 interval,
    29				       u8 dtim_period, int type)
    30	{
    31		if (!interval ||
    32		    (chip->beacon_set &&
  > 33		     le16_to_cpu(chip->beacon_interval) == interval))
    34			return 0;
    35	
  > 36		chip->beacon_interval = cpu_to_le16(interval);
    37		chip->beacon_set = true;
    38		return plfxlc_usb_wreq(chip->usb.ez_usb,
    39				       &chip->beacon_interval,
    40				       sizeof(chip->beacon_interval),
    41				       USB_REQ_BEACON_INTERVAL_WR);
    42	}
    43	

-- 
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