SBMAC_WRITECSR(sc->sbm_rxfilter,reg); 
__raw_writeq(reg, sc->sbm_rxfilter); 
static void sbmac_set_iphdr_offset(struct sbmac_softc *sc){	uint64_t reg;		/* Hard code the off set to 15 for now */	reg = SBMAC_READCSR(sc->sbm_rxfilter);	reg &= ~M_MAC_IPHDR_OFFSET | V_MAC_IPHDR_OFFSET(15);	SBMAC_WRITECSR(sc->sbm_rxfilter,reg);		/* read system identification to determine revision */	if (periph_rev >= 2) {		sc->rx_hw_checksum = ENABLE;	} else {		sc->rx_hw_checksum = DISABLE;	}}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/2039973af59889fea0d14362eae56792cfe8d25a/sb1250-mac.c/buggy/drivers/net/sb1250-mac.c