HAL_92C_NAV_UPPER_UNIT   97 drivers/net/wireless/realtek/rtlwifi/rtl8821ae/def.h #define HAL_92C_NAV_UPPER_UNIT			128
HAL_92C_NAV_UPPER_UNIT   13 drivers/staging/rtl8188eu/include/rtl8188e_spec.h #define		HAL_92C_NAV_UPPER_UNIT	128	/*  micro-second */