bcm2835_drain_rxfifo  292 drivers/i2c/busses/i2c-bcm2835.c 			bcm2835_drain_rxfifo(i2c_dev);
bcm2835_drain_rxfifo  325 drivers/i2c/busses/i2c-bcm2835.c 		bcm2835_drain_rxfifo(i2c_dev);