diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/ti/cpmac.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/drivers/net/ethernet/ti/cpmac.c b/drivers/net/ethernet/ti/cpmac.c index 61eb69145b30..1d8ef39f370f 100644 --- a/drivers/net/ethernet/ti/cpmac.c +++ b/drivers/net/ethernet/ti/cpmac.c @@ -118,8 +118,8 @@ MODULE_PARM_DESC(dumb_switch, "Assume switch is not connected to MDIO bus"); #define CPMAC_TX_ACK(channel) (0x0640 + (channel) * 4) #define CPMAC_RX_ACK(channel) (0x0660 + (channel) * 4) #define CPMAC_REG_END 0x0680 -/* - * Rx/Tx statistics + +/* Rx/Tx statistics * TODO: use some of them to fill stats in cpmac_stats() */ #define CPMAC_STATS_RX_GOOD 0x0200 @@ -331,8 +331,7 @@ static void cpmac_set_multicast_list(struct net_device *dev) cpmac_write(priv->regs, CPMAC_MAC_HASH_LO, 0xffffffff); cpmac_write(priv->regs, CPMAC_MAC_HASH_HI, 0xffffffff); } else { - /* - * cpmac uses some strange mac address hashing + /* cpmac uses some strange mac address hashing * (not crc32) */ netdev_for_each_mc_addr(ha, dev) { @@ -432,10 +431,10 @@ static int cpmac_poll(struct napi_struct *napi, int budget) if ((desc->dataflags & CPMAC_EOQ) != 0) { /* The last update to eoq->hw_next didn't happen - * soon enough, and the receiver stopped here. - *Remember this descriptor so we can restart - * the receiver after freeing some space. - */ + * soon enough, and the receiver stopped here. + * Remember this descriptor so we can restart + * the receiver after freeing some space. + */ if (unlikely(restart)) { if (netif_msg_rx_err(priv)) printk(KERN_ERR "%s: poll found a" @@ -457,25 +456,27 @@ static int cpmac_poll(struct napi_struct *napi, int budget) if (desc != priv->rx_head) { /* We freed some buffers, but not the whole ring, - * add what we did free to the rx list */ + * add what we did free to the rx list + */ desc->prev->hw_next = (u32)0; priv->rx_head->prev->hw_next = priv->rx_head->mapping; } /* Optimization: If we did not actually process an EOQ (perhaps because * of quota limits), check to see if the tail of the queue has EOQ set. - * We should immediately restart in that case so that the receiver can - * restart and run in parallel with more packet processing. - * This lets us handle slightly larger bursts before running - * out of ring space (assuming dev->weight < ring_size) */ + * We should immediately restart in that case so that the receiver can + * restart and run in parallel with more packet processing. + * This lets us handle slightly larger bursts before running + * out of ring space (assuming dev->weight < ring_size) + */ if (!restart && (priv->rx_head->prev->dataflags & (CPMAC_OWN|CPMAC_EOQ)) == CPMAC_EOQ && (priv->rx_head->dataflags & CPMAC_OWN) != 0) { /* reset EOQ so the poll loop (above) doesn't try to - * restart this when it eventually gets to this descriptor. - */ + * restart this when it eventually gets to this descriptor. + */ priv->rx_head->prev->dataflags &= ~CPMAC_EOQ; restart = priv->rx_head; } @@ -506,7 +507,8 @@ static int cpmac_poll(struct napi_struct *napi, int budget) priv->dev->name, received); if (processed == 0) { /* we ran out of packets to read, - * revert to interrupt-driven mode */ + * revert to interrupt-driven mode + */ napi_complete(napi); cpmac_write(priv->regs, CPMAC_RX_INT_ENABLE, 1); return 0; @@ -516,8 +518,8 @@ static int cpmac_poll(struct napi_struct *napi, int budget) fatal_error: /* Something went horribly wrong. - * Reset hardware to try to recover rather than wedging. */ - + * Reset hardware to try to recover rather than wedging. + */ if (netif_msg_drv(priv)) { printk(KERN_ERR "%s: cpmac_poll is confused. " "Resetting hardware\n", priv->dev->name); @@ -751,7 +753,7 @@ static void cpmac_check_status(struct net_device *dev) if (rx_code || tx_code) { if (netif_msg_drv(priv) && net_ratelimit()) { /* Can't find any documentation on what these - *error codes actually are. So just log them and hope.. + * error codes actually are. So just log them and hope.. */ if (rx_code) printk(KERN_WARNING "%s: host error %d on rx " |