Hi Chris, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on v5.6-rc6] [also build test WARNING on next-20200318] [cannot apply to jes/rtl8xxxu-devel] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Chris-Chiu/Feed-current-txrate-information-for-mac80211/20200318-194357 base: fb33c6510d5595144d585aa194d377cf74d31911 reproduce: # apt-get install sparse # sparse version: v0.6.1-180-g0558317d-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:4819:17: sparse: sparse: cast from restricted __le16 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:4892:17: sparse: sparse: cast from restricted __le16 >> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:5407:6: sparse: sparse: symbol 'rtl8xxxu_desc_to_mcsrate' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx