skfp annotations

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

4 files changed, 60 insertions, 62 deletions

diff --git a/drivers/net/skfp/fplustm.c b/drivers/net/skfp/fplustm.c
index 76dc8adc9441..6028bbb3b28a 100644
--- a/drivers/net/skfp/fplustm.c
+++ b/drivers/net/skfp/fplustm.c
@@ -401,18 +401,18 @@ static void copy_tx_mac(struct s_smc *smc, u_long td, struct fddi_mac *mac,
 /* int len ;		 length of the frame including the FC */
 {
 	int	i ;
-	u_int	*p ;
+	__le32	*p ;
 
 	CHECK_NPP() ;
 	MARW(off) ;		/* set memory address reg for writes */
 
-	p = (u_int *) mac ;
+	p = (__le32 *) mac ;
 	for (i = (len + 3)/4 ; i ; i--) {
 		if (i == 1) {
 			/* last word, set the tag bit */
 			outpw(FM_A(FM_CMDREG2),FM_ISTTB) ;
 		}
-		write_mdr(smc,MDR_REVERSE(*p)) ;
+		write_mdr(smc,le32_to_cpu(*p)) ;
 		p++ ;
 	}
 
@@ -444,7 +444,7 @@ static void copy_tx_mac(struct s_smc *smc, u_long td, struct fddi_mac *mac,
  */
 static void directed_beacon(struct s_smc *smc)
 {
-	SK_LOC_DECL(u_int,a[2]) ;
+	SK_LOC_DECL(__le32,a[2]) ;
 
 	/*
 	 * set UNA in frame
@@ -458,9 +458,9 @@ static void directed_beacon(struct s_smc *smc)
 	CHECK_NPP() ;
 	 /* set memory address reg for writes */
 	MARW(smc->hw.fp.fifo.rbc_ram_start+DBEACON_FRAME_OFF+4) ;
-	write_mdr(smc,MDR_REVERSE(a[0])) ;
+	write_mdr(smc,le32_to_cpu(a[0])) ;
 	outpw(FM_A(FM_CMDREG2),FM_ISTTB) ;	/* set the tag bit */
-	write_mdr(smc,MDR_REVERSE(a[1])) ;
+	write_mdr(smc,le32_to_cpu(a[1])) ;
 
 	outpw(FM_A(FM_SABC),smc->hw.fp.fifo.rbc_ram_start + DBEACON_FRAME_OFF) ;
 }
diff --git a/drivers/net/skfp/h/fplustm.h b/drivers/net/skfp/h/fplustm.h
index 98bbf654d12f..6d738e1e2393 100644
--- a/drivers/net/skfp/h/fplustm.h
+++ b/drivers/net/skfp/h/fplustm.h
@@ -50,12 +50,12 @@ struct err_st {
  *	Transmit Descriptor struct
  */
 struct s_smt_fp_txd {
-	u_int txd_tbctrl ;		/* transmit buffer control */
-	u_int txd_txdscr ;		/* transmit frame status word */
-	u_int txd_tbadr ;		/* physical tx buffer address */
-	u_int txd_ntdadr ;		/* physical pointer to the next TxD */
+	__le32 txd_tbctrl ;		/* transmit buffer control */
+	__le32 txd_txdscr ;		/* transmit frame status word */
+	__le32 txd_tbadr ;		/* physical tx buffer address */
+	__le32 txd_ntdadr ;		/* physical pointer to the next TxD */
 #ifdef	ENA_64BIT_SUP
-	u_int txd_tbadr_hi ;		/* physical tx buffer addr (high dword)*/
+	__le32 txd_tbadr_hi ;		/* physical tx buffer addr (high dword)*/
 #endif
 	char far *txd_virt ;		/* virtual pointer to the data frag */
 					/* virt pointer to the next TxD */
@@ -67,12 +67,12 @@ struct s_smt_fp_txd {
  *	Receive Descriptor struct
  */
 struct s_smt_fp_rxd {
-	u_int rxd_rbctrl ;		/* receive buffer control */
-	u_int rxd_rfsw ;		/* receive frame status word */
-	u_int rxd_rbadr ;		/* physical rx buffer address */
-	u_int rxd_nrdadr ;		/* physical pointer to the next RxD */
+	__le32 rxd_rbctrl ;		/* receive buffer control */
+	__le32 rxd_rfsw ;		/* receive frame status word */
+	__le32 rxd_rbadr ;		/* physical rx buffer address */
+	__le32 rxd_nrdadr ;		/* physical pointer to the next RxD */
 #ifdef	ENA_64BIT_SUP
-	u_int rxd_rbadr_hi ;		/* physical tx buffer addr (high dword)*/
+	__le32 rxd_rbadr_hi ;		/* physical tx buffer addr (high dword)*/
 #endif
 	char far *rxd_virt ;		/* virtual pointer to the data frag */
 					/* virt pointer to the next RxD */
diff --git a/drivers/net/skfp/hwmtm.c b/drivers/net/skfp/hwmtm.c
index 46e339315656..4218e97033c9 100644
--- a/drivers/net/skfp/hwmtm.c
+++ b/drivers/net/skfp/hwmtm.c
@@ -208,7 +208,7 @@ SMbuf* smt_get_mbuf(struct s_smc *smc);
 #if	defined(NDIS_OS2) || defined(ODI2)
 #define CR_READ(var)	((var) & 0xffff0000 | ((var) & 0xffff))
 #else
-#define CR_READ(var)	(u_long)(var)
+#define CR_READ(var)	(__le32)(var)
 #endif
 
 #define IMASK_SLOW	(IS_PLINT1 | IS_PLINT2 | IS_TIMINT | IS_TOKEN | \
@@ -343,16 +343,16 @@ static u_long init_descr_ring(struct s_smc *smc,
 	for (i=count-1, d1=start; i ; i--) {
 		d2 = d1 ;
 		d1++ ;		/* descr is owned by the host */
-		d2->r.rxd_rbctrl = AIX_REVERSE(BMU_CHECK) ;
+		d2->r.rxd_rbctrl = cpu_to_le32(BMU_CHECK) ;
 		d2->r.rxd_next = &d1->r ;
 		phys = mac_drv_virt2phys(smc,(void *)d1) ;
-		d2->r.rxd_nrdadr = AIX_REVERSE(phys) ;
+		d2->r.rxd_nrdadr = cpu_to_le32(phys) ;
 	}
 	DB_GEN("descr ring ends at = %x ",(void *)d1,0,3) ;
-	d1->r.rxd_rbctrl = AIX_REVERSE(BMU_CHECK) ;
+	d1->r.rxd_rbctrl = cpu_to_le32(BMU_CHECK) ;
 	d1->r.rxd_next = &start->r ;
 	phys = mac_drv_virt2phys(smc,(void *)start) ;
-	d1->r.rxd_nrdadr = AIX_REVERSE(phys) ;
+	d1->r.rxd_nrdadr = cpu_to_le32(phys) ;
 
 	for (i=count, d1=start; i ; i--) {
 		DRV_BUF_FLUSH(&d1->r,DDI_DMA_SYNC_FORDEV) ;
@@ -376,7 +376,7 @@ static void init_txd_ring(struct s_smc *smc)
 	DB_GEN("Init async TxD ring, %d TxDs ",HWM_ASYNC_TXD_COUNT,0,3) ;
 	(void)init_descr_ring(smc,(union s_fp_descr volatile *)ds,
 		HWM_ASYNC_TXD_COUNT) ;
-	phys = AIX_REVERSE(ds->txd_ntdadr) ;
+	phys = le32_to_cpu(ds->txd_ntdadr) ;
 	ds++ ;
 	queue->tx_curr_put = queue->tx_curr_get = ds ;
 	ds-- ;
@@ -390,7 +390,7 @@ static void init_txd_ring(struct s_smc *smc)
 	DB_GEN("Init sync TxD ring, %d TxDs ",HWM_SYNC_TXD_COUNT,0,3) ;
 	(void)init_descr_ring(smc,(union s_fp_descr volatile *)ds,
 		HWM_SYNC_TXD_COUNT) ;
-	phys = AIX_REVERSE(ds->txd_ntdadr) ;
+	phys = le32_to_cpu(ds->txd_ntdadr) ;
 	ds++ ;
 	queue->tx_curr_put = queue->tx_curr_get = ds ;
 	queue->tx_free = HWM_SYNC_TXD_COUNT ;
@@ -412,7 +412,7 @@ static void init_rxd_ring(struct s_smc *smc)
 	DB_GEN("Init RxD ring, %d RxDs ",SMT_R1_RXD_COUNT,0,3) ;
 	(void)init_descr_ring(smc,(union s_fp_descr volatile *)ds,
 		SMT_R1_RXD_COUNT) ;
-	phys = AIX_REVERSE(ds->rxd_nrdadr) ;
+	phys = le32_to_cpu(ds->rxd_nrdadr) ;
 	ds++ ;
 	queue->rx_curr_put = queue->rx_curr_get = ds ;
 	queue->rx_free = SMT_R1_RXD_COUNT ;
@@ -607,12 +607,12 @@ static u_long repair_txd_ring(struct s_smc *smc, struct s_smt_tx_queue *queue)
 	for (i = tx_used+queue->tx_free-1 ; i ; i-- ) {
 		t = t->txd_next ;
 	}
-	phys = AIX_REVERSE(t->txd_ntdadr) ;
+	phys = le32_to_cpu(t->txd_ntdadr) ;
 
 	t = queue->tx_curr_get ;
 	while (tx_used) {
 		DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORCPU) ;
-		tbctrl = AIX_REVERSE(t->txd_tbctrl) ;
+		tbctrl = le32_to_cpu(t->txd_tbctrl) ;
 
 		if (tbctrl & BMU_OWN) {
 			if (tbctrl & BMU_STF) {
@@ -622,10 +622,10 @@ static u_long repair_txd_ring(struct s_smc *smc, struct s_smt_tx_queue *queue)
 				/*
 				 * repair the descriptor
 				 */
-				t->txd_tbctrl &= AIX_REVERSE(~BMU_OWN) ;
+				t->txd_tbctrl &= ~cpu_to_le32(BMU_OWN) ;
 			}
 		}
-		phys = AIX_REVERSE(t->txd_ntdadr) ;
+		phys = le32_to_cpu(t->txd_ntdadr) ;
 		DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORDEV) ;
 		t = t->txd_next ;
 		tx_used-- ;
@@ -659,12 +659,12 @@ static u_long repair_rxd_ring(struct s_smc *smc, struct s_smt_rx_queue *queue)
 	for (i = SMT_R1_RXD_COUNT-1 ; i ; i-- ) {
 		r = r->rxd_next ;
 	}
-	phys = AIX_REVERSE(r->rxd_nrdadr) ;
+	phys = le32_to_cpu(r->rxd_nrdadr) ;
 
 	r = queue->rx_curr_get ;
 	while (rx_used) {
 		DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
-		rbctrl = AIX_REVERSE(r->rxd_rbctrl) ;
+		rbctrl = le32_to_cpu(r->rxd_rbctrl) ;
 
 		if (rbctrl & BMU_OWN) {
 			if (rbctrl & BMU_STF) {
@@ -674,10 +674,10 @@ static u_long repair_rxd_ring(struct s_smc *smc, struct s_smt_rx_queue *queue)
 				/*
 				 * repair the descriptor
 				 */
-				r->rxd_rbctrl &= AIX_REVERSE(~BMU_OWN) ;
+				r->rxd_rbctrl &= ~cpu_to_le32(BMU_OWN) ;
 			}
 		}
-		phys = AIX_REVERSE(r->rxd_nrdadr) ;
+		phys = le32_to_cpu(r->rxd_nrdadr) ;
 		DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORDEV) ;
 		r = r->rxd_next ;
 		rx_used-- ;
@@ -1094,8 +1094,7 @@ void process_receive(struct s_smc *smc)
 		do {
 			DB_RX("Check RxD %x for OWN and EOF",(void *)r,0,5) ;
 			DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
-			rbctrl = CR_READ(r->rxd_rbctrl) ;
-			rbctrl = AIX_REVERSE(rbctrl) ;
+			rbctrl = le32_to_cpu(CR_READ(r->rxd_rbctrl));
 
 			if (rbctrl & BMU_OWN) {
 				NDD_TRACE("RHxE",r,rfsw,rbctrl) ;
@@ -1118,7 +1117,7 @@ void process_receive(struct s_smc *smc)
 				smc->os.hwm.detec_count = 0 ;
 				goto rx_end ;
 			}
-			rfsw = AIX_REVERSE(r->rxd_rfsw) ;
+			rfsw = le32_to_cpu(r->rxd_rfsw) ;
 			if ((rbctrl & BMU_STF) != ((rbctrl & BMU_ST_BUF) <<5)) {
 				/*
 				 * The BMU_STF bit is deleted, 1 frame is
@@ -1151,7 +1150,7 @@ void process_receive(struct s_smc *smc)
 		/* may be next 2 DRV_BUF_FLUSH() can be skipped, because */
 		/* BMU_ST_BUF will not be changed by the ASIC */
 		DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
-		while (rx_used && !(r->rxd_rbctrl & AIX_REVERSE(BMU_ST_BUF))) {
+		while (rx_used && !(r->rxd_rbctrl & cpu_to_le32(BMU_ST_BUF))) {
 			DB_RX("Check STF bit in %x",(void *)r,0,5) ;
 			r = r->rxd_next ;
 			DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
@@ -1171,7 +1170,7 @@ void process_receive(struct s_smc *smc)
 		/*
 		 * ASIC Errata no. 7 (STF - Bit Bug)
 		 */
-		rxd->rxd_rbctrl &= AIX_REVERSE(~BMU_STF) ;
+		rxd->rxd_rbctrl &= cpu_to_le32(~BMU_STF) ;
 
 		for (r=rxd, i=frag_count ; i ; r=r->rxd_next, i--){
 			DB_RX("dma_complete for RxD %x",(void *)r,0,5) ;
@@ -1287,7 +1286,7 @@ void process_receive(struct s_smc *smc)
 			hwm_cpy_rxd2mb(rxd,data,len) ;
 #else
 			for (r=rxd, i=used_frags ; i ; r=r->rxd_next, i--){
-				n = AIX_REVERSE(r->rxd_rbctrl) & RD_LENGTH ;
+				n = le32_to_cpu(r->rxd_rbctrl) & RD_LENGTH ;
 				DB_RX("cp SMT frame to mb: len = %d",n,0,6) ;
 				memcpy(data,r->rxd_virt,n) ;
 				data += n ;
@@ -1426,14 +1425,14 @@ void hwm_rx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,
 		 int frame_status)
 {
 	struct s_smt_fp_rxd volatile *r ;
-	u_int	rbctrl ;
+	__le32	rbctrl;
 
 	NDD_TRACE("RHfB",virt,len,frame_status) ;
 	DB_RX("hwm_rx_frag: len = %d, frame_status = %x\n",len,frame_status,2) ;
 	r = smc->hw.fp.rx_q[QUEUE_R1].rx_curr_put ;
 	r->rxd_virt = virt ;
-	r->rxd_rbadr = AIX_REVERSE(phys) ;
-	rbctrl = AIX_REVERSE( (((u_long)frame_status &
+	r->rxd_rbadr = cpu_to_le32(phys) ;
+	rbctrl = cpu_to_le32( (((__u32)frame_status &
 		(FIRST_FRAG|LAST_FRAG))<<26) |
 		(((u_long) frame_status & FIRST_FRAG) << 21) |
 		BMU_OWN | BMU_CHECK | BMU_EN_IRQ_EOF | len) ;
@@ -1444,7 +1443,7 @@ void hwm_rx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,
 	smc->hw.fp.rx_q[QUEUE_R1].rx_free-- ;
 	smc->hw.fp.rx_q[QUEUE_R1].rx_used++ ;
 	smc->hw.fp.rx_q[QUEUE_R1].rx_curr_put = r->rxd_next ;
-	NDD_TRACE("RHfE",r,AIX_REVERSE(r->rxd_rbadr),0) ;
+	NDD_TRACE("RHfE",r,le32_to_cpu(r->rxd_rbadr),0) ;
 }
 
 /*
@@ -1494,15 +1493,15 @@ void mac_drv_clear_rx_queue(struct s_smc *smc)
 	while (queue->rx_used) {
 		DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
 		DB_RX("switch OWN bit of RxD 0x%x ",r,0,5) ;
-		r->rxd_rbctrl &= AIX_REVERSE(~BMU_OWN) ;
+		r->rxd_rbctrl &= ~cpu_to_le32(BMU_OWN) ;
 		frag_count = 1 ;
 		DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORDEV) ;
 		r = r->rxd_next ;
 		DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
 		while (r != queue->rx_curr_put &&
-			!(r->rxd_rbctrl & AIX_REVERSE(BMU_ST_BUF))) {
+			!(r->rxd_rbctrl & cpu_to_le32(BMU_ST_BUF))) {
 			DB_RX("Check STF bit in %x",(void *)r,0,5) ;
-			r->rxd_rbctrl &= AIX_REVERSE(~BMU_OWN) ;
+			r->rxd_rbctrl &= ~cpu_to_le32(BMU_OWN) ;
 			DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORDEV) ;
 			r = r->rxd_next ;
 			DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
@@ -1640,7 +1639,7 @@ void hwm_tx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,
 {
 	struct s_smt_fp_txd volatile *t ;
 	struct s_smt_tx_queue *queue ;
-	u_int	tbctrl ;
+	__le32	tbctrl ;
 
 	queue = smc->os.hwm.tx_p ;
 
@@ -1657,9 +1656,9 @@ void hwm_tx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,
 		/* '*t' is already defined */
 		DB_TX("LAN_TX: TxD = %x, virt = %x ",t,virt,3) ;
 		t->txd_virt = virt ;
-		t->txd_txdscr = AIX_REVERSE(smc->os.hwm.tx_descr) ;
-		t->txd_tbadr = AIX_REVERSE(phys) ;
-		tbctrl = AIX_REVERSE((((u_long)frame_status &
+		t->txd_txdscr = cpu_to_le32(smc->os.hwm.tx_descr) ;
+		t->txd_tbadr = cpu_to_le32(phys) ;
+		tbctrl = cpu_to_le32((((__u32)frame_status &
 			(FIRST_FRAG|LAST_FRAG|EN_IRQ_EOF))<< 26) |
 			BMU_OWN|BMU_CHECK |len) ;
 		t->txd_tbctrl = tbctrl ;
@@ -1826,7 +1825,7 @@ void smt_send_mbuf(struct s_smc *smc, SMbuf *mb, int fc)
 	struct s_smt_tx_queue *queue ;
 	struct s_smt_fp_txd volatile *t ;
 	u_long	phys ;
-	u_int	tbctrl ;
+	__le32	tbctrl;
 
 	NDD_TRACE("THSB",mb,fc,0) ;
 	DB_TX("smt_send_mbuf: mb = 0x%x, fc = 0x%x",mb,fc,4) ;
@@ -1894,14 +1893,14 @@ void smt_send_mbuf(struct s_smc *smc, SMbuf *mb, int fc)
 			DB_TX("init TxD = 0x%x",(void *)t,0,5) ;
 			if (i == frag_count-1) {
 				frame_status |= LAST_FRAG ;
-				t->txd_txdscr = AIX_REVERSE(TX_DESCRIPTOR |
-					(((u_long)(mb->sm_len-1)&3) << 27)) ;
+				t->txd_txdscr = cpu_to_le32(TX_DESCRIPTOR |
+					(((__u32)(mb->sm_len-1)&3) << 27)) ;
 			}
 			t->txd_virt = virt[i] ;
 			phys = dma_master(smc, (void far *)virt[i],
 				frag_len[i], DMA_RD|SMT_BUF) ;
-			t->txd_tbadr = AIX_REVERSE(phys) ;
-			tbctrl = AIX_REVERSE((((u_long) frame_status &
+			t->txd_tbadr = cpu_to_le32(phys) ;
+			tbctrl = cpu_to_le32((((__u32)frame_status &
 				(FIRST_FRAG|LAST_FRAG)) << 26) |
 				BMU_OWN | BMU_CHECK | BMU_SMT_TX |frag_len[i]) ;
 			t->txd_tbctrl = tbctrl ;
@@ -1971,8 +1970,7 @@ static void mac_drv_clear_txd(struct s_smc *smc)
 			do {
 				DRV_BUF_FLUSH(t1,DDI_DMA_SYNC_FORCPU) ;
 				DB_TX("check OWN/EOF bit of TxD 0x%x",t1,0,5) ;
-				tbctrl = CR_READ(t1->txd_tbctrl) ;
-				tbctrl = AIX_REVERSE(tbctrl) ;
+				tbctrl = le32_to_cpu(CR_READ(t1->txd_tbctrl));
 
 				if (tbctrl & BMU_OWN || !queue->tx_used){
 					DB_TX("End of TxDs queue %d",i,0,4) ;
@@ -1984,7 +1982,7 @@ static void mac_drv_clear_txd(struct s_smc *smc)
 
 			t1 = queue->tx_curr_get ;
 			for (n = frag_count; n; n--) {
-				tbctrl = AIX_REVERSE(t1->txd_tbctrl) ;
+				tbctrl = le32_to_cpu(t1->txd_tbctrl) ;
 				dma_complete(smc,
 					(union s_fp_descr volatile *) t1,
 					(int) (DMA_RD |
@@ -2064,7 +2062,7 @@ void mac_drv_clear_tx_queue(struct s_smc *smc)
 		while (tx_used) {
 			DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORCPU) ;
 			DB_TX("switch OWN bit of TxD 0x%x ",t,0,5) ;
-			t->txd_tbctrl &= AIX_REVERSE(~BMU_OWN) ;
+			t->txd_tbctrl &= ~cpu_to_le32(BMU_OWN) ;
 			DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORDEV) ;
 			t = t->txd_next ;
 			tx_used-- ;
@@ -2086,10 +2084,10 @@ void mac_drv_clear_tx_queue(struct s_smc *smc)
 		 * tx_curr_get and tx_curr_put to this position
 		 */
 		if (i == QUEUE_S) {
-			outpd(ADDR(B5_XS_DA),AIX_REVERSE(t->txd_ntdadr)) ;
+			outpd(ADDR(B5_XS_DA),le32_to_cpu(t->txd_ntdadr)) ;
 		}
 		else {
-			outpd(ADDR(B5_XA_DA),AIX_REVERSE(t->txd_ntdadr)) ;
+			outpd(ADDR(B5_XA_DA),le32_to_cpu(t->txd_ntdadr)) ;
 		}
 
 		queue->tx_curr_put = queue->tx_curr_get->txd_next ;
diff --git a/drivers/net/skfp/skfddi.c b/drivers/net/skfp/skfddi.c
index 7cf9b9f35dee..a2b092bb3626 100644
--- a/drivers/net/skfp/skfddi.c
+++ b/drivers/net/skfp/skfddi.c
@@ -495,7 +495,7 @@ static int skfp_open(struct net_device *dev)
 
 	PRINTK(KERN_INFO "entering skfp_open\n");
 	/* Register IRQ - support shared interrupts by passing device ptr */
-	err = request_irq(dev->irq, (void *) skfp_interrupt, IRQF_SHARED,
+	err = request_irq(dev->irq, skfp_interrupt, IRQF_SHARED,
 			  dev->name, dev);
 	if (err)
 		return err;
@@ -1644,7 +1644,7 @@ void mac_drv_rx_complete(struct s_smc *smc, volatile struct s_smt_fp_rxd *rxd,
 		// Get RIF length from Routing Control (RC) field.
 		cp = virt + FDDI_MAC_HDR_LEN;	// Point behind MAC header.
 
-		ri = ntohs(*((unsigned short *) cp));
+		ri = ntohs(*((__be16 *) cp));
 		RifLength = ri & FDDI_RCF_LEN_MASK;
 		if (len < (int) (FDDI_MAC_HDR_LEN + RifLength)) {
 			printk("fddi: Invalid RIF.\n");