Defined in 3 files as a macro:
- drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hal_btc.h, line 50 (as a macro)
- drivers/staging/rtl8188eu/include/rtl8188e_spec.h, line 1254 (as a macro)
- drivers/staging/rtl8723bs/include/hal_com_reg.h, line 1666 (as a macro)