AT91_TWI_THRCLR   508 drivers/i2c/busses/i2c-at91-master.c 			       AT91_TWI_THRCLR | AT91_TWI_RHRCLR);
AT91_TWI_THRCLR   600 drivers/i2c/busses/i2c-at91-master.c 			       AT91_TWI_THRCLR | AT91_TWI_LOCKCLR);