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net: cpmac: fix comments 

This patch convert the normal comments to networking subsystem
style comments.

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Varka Bhadram 2014-07-10 11:05:40 +05:30 committed by David S. Miller
parent af59515451
commit 8bcd5c6d51
1 changed files with 21 additions and 19 deletions
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40
drivers/net/ethernet/ti/cpmac.c
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@ -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 "