Defined in 3 files as a macro:
- drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h, line 823 (as a macro)
- drivers/net/wireless/realtek/rtlwifi/rtl8192ee/reg.h, line 376 (as a macro)
- drivers/staging/rtl8188eu/include/rtl8188e_spec.h, line 382 (as a macro)