Defined in 3 files as a macro:
- drivers/net/wireless/realtek/rtlwifi/rtl8192ce/reg.h, line 861 (as a macro)
- drivers/net/wireless/realtek/rtlwifi/rtl8192de/reg.h, line 913 (as a macro)
- drivers/staging/rtl8188eu/include/rtl8188e_spec.h, line 817 (as a macro)