PHIMR_RDU         537 drivers/net/wireless/realtek/rtlwifi/rtl8723ae/reg.h #define	PHIMR_RDU						BIT(1)
PHIMR_RDU         851 drivers/staging/rtl8723bs/include/hal_com_reg.h #define PHIMR_RDU					BIT1		/*  Receive Descriptor Unavailable */