diff --git a/sys/dev/tx/if_tx.c b/sys/dev/tx/if_tx.c
index 9b2389919d4d..6d0b19fcc2c0 100644
--- a/sys/dev/tx/if_tx.c
+++ b/sys/dev/tx/if_tx.c
@@ -159,8 +159,7 @@ static struct epic_type epic_devs[] = {
 };
 
 static int
-epic_probe(dev)
-	device_t dev;
+epic_probe(device_t dev)
 {
 	struct epic_type *t;
 
@@ -175,8 +174,7 @@ epic_probe(dev)
 }
 
 static struct epic_type *
-epic_devtype(dev)
-	device_t dev;
+epic_devtype(device_t dev)
 {
 	struct epic_type *t;
 
@@ -218,8 +216,7 @@ epic_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error)
  * Reset to known state.
  */
 static int
-epic_attach(dev)
-	device_t dev;
+epic_attach(device_t dev)
 {
 	struct ifnet *ifp;
 	epic_softc_t *sc;
@@ -482,8 +479,7 @@ epic_release(epic_softc_t *sc)
  * Detach driver and free resources.
  */
 static int
-epic_detach(dev)
-	device_t dev;
+epic_detach(device_t dev)
 {
 	struct ifnet *ifp;
 	epic_softc_t *sc;
@@ -515,8 +511,7 @@ epic_detach(dev)
  * get confused by errant DMAs when rebooting.
  */
 static void
-epic_shutdown(dev)
-	device_t dev;
+epic_shutdown(device_t dev)
 {
 	epic_softc_t *sc;
 
@@ -529,10 +524,7 @@ epic_shutdown(dev)
  * This is if_ioctl handler.
  */
 static int
-epic_ifioctl(ifp, command, data)
-	struct ifnet *ifp;
-	u_long command;
-	caddr_t data;
+epic_ifioctl(struct ifnet *ifp, u_long command, caddr_t data)
 {
 	epic_softc_t *sc = ifp->if_softc;
 	struct mii_data	*mii;
@@ -645,8 +637,7 @@ epic_dma_map_rxbuf(void *arg, bus_dma_segment_t *segs, int nseg,
  * or queue become empty.
  */
 static void
-epic_ifstart(ifp)
-	struct ifnet * ifp;
+epic_ifstart(struct ifnet * ifp)
 {
 	epic_softc_t *sc = ifp->if_softc;
 	struct epic_tx_buffer *buf;
@@ -725,8 +716,7 @@ epic_ifstart(ifp)
  * Synopsis: Finish all received frames.
  */
 static void
-epic_rx_done(sc)
-	epic_softc_t *sc;
+epic_rx_done(epic_softc_t *sc)
 {
 	struct ifnet *ifp = sc->ifp;
 	u_int16_t len;
@@ -809,8 +799,7 @@ epic_rx_done(sc)
  * are pending or descriptor is not transmitted yet.
  */
 static void
-epic_tx_done(sc)
-	epic_softc_t *sc;
+epic_tx_done(epic_softc_t *sc)
 {
 	struct epic_tx_buffer *buf;
 	struct epic_tx_desc *desc;
@@ -860,8 +849,7 @@ epic_tx_done(sc)
  * Interrupt function
  */
 static void
-epic_intr(arg)
-    void *arg;
+epic_intr(void *arg)
 {
     epic_softc_t *sc;
     int status, i;
@@ -932,8 +920,7 @@ epic_intr(arg)
  * and restart the transmitter.
  */
 static void
-epic_tx_underrun(sc)
-	epic_softc_t *sc;
+epic_tx_underrun(epic_softc_t *sc)
 {
 	if (sc->tx_threshold > TRANSMIT_THRESHOLD_MAX) {
 		sc->txcon &= ~TXCON_EARLY_TRANSMIT_ENABLE;
@@ -964,8 +951,7 @@ epic_tx_underrun(sc)
  * if success continue to work.
  */
 static void
-epic_ifwatchdog(ifp)
-	struct ifnet *ifp;
+epic_ifwatchdog(struct ifnet *ifp)
 {
 	epic_softc_t *sc;
 	int x;
@@ -1020,8 +1006,7 @@ epic_stats_update(epic_softc_t * sc)
  * Set media options.
  */
 static int
-epic_ifmedia_upd(ifp)
-	struct ifnet *ifp;
+epic_ifmedia_upd(struct ifnet *ifp)
 {
 	epic_softc_t *sc;
 	struct mii_data *mii;
@@ -1147,9 +1132,7 @@ epic_ifmedia_upd(ifp)
  * Report current media status.
  */
 static void
-epic_ifmedia_sts(ifp, ifmr)
-	struct ifnet *ifp;
-	struct ifmediareq *ifmr;
+epic_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
 {
 	epic_softc_t *sc;
 	struct mii_data *mii;
@@ -1179,8 +1162,7 @@ epic_ifmedia_sts(ifp, ifmr)
  * Callback routine, called on media change.
  */
 static void
-epic_miibus_statchg(dev)
-	device_t dev;
+epic_miibus_statchg(device_t dev)
 {
 	epic_softc_t *sc;
 	struct mii_data *mii;
@@ -1223,8 +1205,7 @@ epic_miibus_statchg(dev)
 }
 
 static void
-epic_miibus_mediainit(dev)
-	device_t dev;
+epic_miibus_mediainit(device_t dev)
 {
 	epic_softc_t *sc;
 	struct mii_data *mii;
@@ -1256,8 +1237,7 @@ epic_miibus_mediainit(dev)
  * Reset chip and update media.
  */
 static void
-epic_init(xsc)
-	void *xsc;
+epic_init(void *xsc)
 {
 	epic_softc_t *sc = xsc;
 	struct ifnet *ifp = sc->ifp;
@@ -1345,8 +1325,7 @@ epic_init(xsc)
  * access RXCON.
  */
 static void
-epic_set_rx_mode(sc)
-	epic_softc_t *sc;
+epic_set_rx_mode(epic_softc_t *sc)
 {
 	u_int32_t flags;
 	u_int32_t rxcon;
@@ -1368,8 +1347,7 @@ epic_set_rx_mode(sc)
  * access TXCON.
  */
 static void
-epic_set_tx_mode(sc)
-	epic_softc_t *sc;
+epic_set_tx_mode(epic_softc_t *sc)
 {
 
 	if (sc->txcon & TXCON_EARLY_TRANSMIT_ENABLE)
@@ -1386,8 +1364,7 @@ epic_set_tx_mode(sc)
  * Note: EPIC must be in idle state.
  */
 static void
-epic_set_mc_table(sc)
-	epic_softc_t *sc;
+epic_set_mc_table(epic_softc_t *sc)
 {
 	struct ifnet *ifp;
 	struct ifmultiaddr *ifma;
@@ -1433,8 +1410,7 @@ epic_set_mc_table(sc)
  * Synopsis: Start receive process and transmit one, if they need.
  */
 static void
-epic_start_activity(sc)
-	epic_softc_t *sc;
+epic_start_activity(epic_softc_t *sc)
 {
 
 	/* Start rx process. */
@@ -1447,8 +1423,7 @@ epic_start_activity(sc)
  * packet needs to be queued to stop Tx DMA.
  */
 static void
-epic_stop_activity(sc)
-	epic_softc_t *sc;
+epic_stop_activity(epic_softc_t *sc)
 {
 	int status, i;
 
@@ -1493,8 +1468,7 @@ epic_stop_activity(sc)
  * XXX the packet will then be actually sent over network...
  */
 static int
-epic_queue_last_packet(sc)
-	epic_softc_t *sc;
+epic_queue_last_packet(epic_softc_t *sc)
 {
 	struct epic_tx_desc *desc;
 	struct epic_frag_list *flist;
@@ -1563,8 +1537,7 @@ epic_queue_last_packet(sc)
  *  Synopsis: Shut down board and deallocates rings.
  */
 static void
-epic_stop(sc)
-	epic_softc_t *sc;
+epic_stop(epic_softc_t *sc)
 {
 	int s;
 
@@ -1598,8 +1571,7 @@ epic_stop(sc)
  * Synopsis: This function should free all memory allocated for rings.
  */
 static void
-epic_free_rings(sc)
-	epic_softc_t *sc;
+epic_free_rings(epic_softc_t *sc)
 {
 	int i;
 
@@ -1645,8 +1617,7 @@ epic_free_rings(sc)
  * are bounded and aligned properly.
  */
 static int
-epic_init_rings(sc)
-	epic_softc_t *sc;
+epic_init_rings(epic_softc_t *sc)
 {
 	int error, i;
 
@@ -1744,9 +1715,7 @@ epic_init_rings(sc)
  * EEPROM operation functions
  */
 static void
-epic_write_eepromreg(sc, val)
-	epic_softc_t *sc;
-	u_int8_t val;
+epic_write_eepromreg(epic_softc_t *sc, u_int8_t val)
 {
 	u_int16_t i;
 
@@ -1759,17 +1728,14 @@ epic_write_eepromreg(sc, val)
 }
 
 static u_int8_t
-epic_read_eepromreg(sc)
-	epic_softc_t *sc;
+epic_read_eepromreg(epic_softc_t *sc)
 {
 
 	return (CSR_READ_1(sc, EECTL));
 }
 
 static u_int8_t
-epic_eeprom_clock(sc, val)
-	epic_softc_t *sc;
-	u_int8_t val;
+epic_eeprom_clock(epic_softc_t *sc, u_int8_t val)
 {
 
 	epic_write_eepromreg(sc, val);
@@ -1780,9 +1746,7 @@ epic_eeprom_clock(sc, val)
 }
 
 static void
-epic_output_eepromw(sc, val)
-	epic_softc_t *sc;
-	u_int16_t val;
+epic_output_eepromw(epic_softc_t *sc, u_int16_t val)
 {
 	int i;
 
@@ -1795,8 +1759,7 @@ epic_output_eepromw(sc, val)
 }
 
 static u_int16_t
-epic_input_eepromw(sc)
-	epic_softc_t *sc;
+epic_input_eepromw(epic_softc_t *sc)
 {
 	u_int16_t retval = 0;
 	int i;
@@ -1810,9 +1773,7 @@ epic_input_eepromw(sc)
 }
 
 static int
-epic_read_eeprom(sc, loc)
-	epic_softc_t *sc;
-	u_int16_t loc;
+epic_read_eeprom(epic_softc_t *sc, u_int16_t loc)
 {
 	u_int16_t dataval;
 	u_int16_t read_cmd;
@@ -1837,9 +1798,7 @@ epic_read_eeprom(sc, loc)
  * Here goes MII read/write routines.
  */
 static int
-epic_read_phy_reg(sc, phy, reg)
-	epic_softc_t *sc;
-	int phy, reg;
+epic_read_phy_reg(epic_softc_t *sc, int phy, int reg)
 {
 	int i;
 
@@ -1855,9 +1814,7 @@ epic_read_phy_reg(sc, phy, reg)
 }
 
 static void
-epic_write_phy_reg(sc, phy, reg, val)
-	epic_softc_t *sc;
-	int phy, reg, val;
+epic_write_phy_reg(epic_softc_t *sc, int phy, int reg, int val)
 {
 	int i;
 
@@ -1872,9 +1829,7 @@ epic_write_phy_reg(sc, phy, reg, val)
 }
 
 static int
-epic_miibus_readreg(dev, phy, reg)
-	device_t dev;
-	int phy, reg;
+epic_miibus_readreg(device_t dev, int phy, int reg)
 {
 	epic_softc_t *sc;
 
@@ -1884,9 +1839,7 @@ epic_miibus_readreg(dev, phy, reg)
 }
 
 static int
-epic_miibus_writereg(dev, phy, reg, data)
-	device_t dev;
-	int phy, reg, data;
+epic_miibus_writereg(device_t dev, int phy, int reg, int data)
 {
 	epic_softc_t *sc;