AR5K_AR5311_USEC_TX_LATENCY  747 dev/ic/ar5211reg.h #define AR5K_AR5311_USEC_TX_LATENCY	0x000fc000
AR5K_AR5311_USEC_TX_LATENCY  747 dev/ic/ar5212reg.h #define AR5K_AR5311_USEC_TX_LATENCY	0x000fc000