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path: root/drivers/net/ethernet/toshiba/spider_net.c
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Diffstat (limited to 'drivers/net/ethernet/toshiba/spider_net.c')
-rw-r--r--drivers/net/ethernet/toshiba/spider_net.c42
1 files changed, 28 insertions, 14 deletions
diff --git a/drivers/net/ethernet/toshiba/spider_net.c b/drivers/net/ethernet/toshiba/spider_net.c
index d5a75ef7e3ca..226a76633e65 100644
--- a/drivers/net/ethernet/toshiba/spider_net.c
+++ b/drivers/net/ethernet/toshiba/spider_net.c
@@ -146,7 +146,8 @@ spider_net_read_phy(struct net_device *netdev, int mii_id, int reg)
/* we don't use semaphores to wait for an SPIDER_NET_GPROPCMPINT
* interrupt, as we poll for the completion of the read operation
- * in spider_net_read_phy. Should take about 50 us */
+ * in spider_net_read_phy. Should take about 50 us
+ */
do {
readvalue = spider_net_read_reg(card, SPIDER_NET_GPCROPCMD);
} while (readvalue & SPIDER_NET_GPREXEC);
@@ -387,7 +388,8 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
(~(SPIDER_NET_RXBUF_ALIGN - 1));
/* and we need to have it 128 byte aligned, therefore we allocate a
- * bit more */
+ * bit more
+ */
/* allocate an skb */
descr->skb = netdev_alloc_skb(card->netdev,
bufsize + SPIDER_NET_RXBUF_ALIGN - 1);
@@ -488,7 +490,8 @@ spider_net_refill_rx_chain(struct spider_net_card *card)
/* one context doing the refill (and a second context seeing that
* and omitting it) is ok. If called by NAPI, we'll be called again
* as spider_net_decode_one_descr is called several times. If some
- * interrupt calls us, the NAPI is about to clean up anyway. */
+ * interrupt calls us, the NAPI is about to clean up anyway.
+ */
if (!spin_trylock_irqsave(&chain->lock, flags))
return;
@@ -523,14 +526,16 @@ spider_net_alloc_rx_skbs(struct spider_net_card *card)
/* Put at least one buffer into the chain. if this fails,
* we've got a problem. If not, spider_net_refill_rx_chain
- * will do the rest at the end of this function. */
+ * will do the rest at the end of this function.
+ */
if (spider_net_prepare_rx_descr(card, chain->head))
goto error;
else
chain->head = chain->head->next;
/* This will allocate the rest of the rx buffers;
- * if not, it's business as usual later on. */
+ * if not, it's business as usual later on.
+ */
spider_net_refill_rx_chain(card);
spider_net_enable_rxdmac(card);
return 0;
@@ -706,7 +711,8 @@ spider_net_set_low_watermark(struct spider_net_card *card)
int i;
/* Measure the length of the queue. Measurement does not
- * need to be precise -- does not need a lock. */
+ * need to be precise -- does not need a lock.
+ */
while (descr != card->tx_chain.head) {
status = descr->hwdescr->dmac_cmd_status & SPIDER_NET_DESCR_NOT_IN_USE;
if (status == SPIDER_NET_DESCR_NOT_IN_USE)
@@ -786,7 +792,8 @@ spider_net_release_tx_chain(struct spider_net_card *card, int brutal)
/* fallthrough, if we release the descriptors
* brutally (then we don't care about
- * SPIDER_NET_DESCR_CARDOWNED) */
+ * SPIDER_NET_DESCR_CARDOWNED)
+ */
fallthrough;
case SPIDER_NET_DESCR_RESPONSE_ERROR:
@@ -948,7 +955,8 @@ spider_net_pass_skb_up(struct spider_net_descr *descr,
skb_put(skb, hwdescr->valid_size);
/* the card seems to add 2 bytes of junk in front
- * of the ethernet frame */
+ * of the ethernet frame
+ */
#define SPIDER_MISALIGN 2
skb_pull(skb, SPIDER_MISALIGN);
skb->protocol = eth_type_trans(skb, netdev);
@@ -1382,7 +1390,8 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg,
/* PHY read operation completed */
/* we don't use semaphores, as we poll for the completion
* of the read operation in spider_net_read_phy. Should take
- * about 50 us */
+ * about 50 us
+ */
show_error = 0;
break;
case SPIDER_NET_GPWFFINT:
@@ -1450,7 +1459,8 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg,
{
case SPIDER_NET_GTMFLLINT:
/* TX RAM full may happen on a usual case.
- * Logging is not needed. */
+ * Logging is not needed.
+ */
show_error = 0;
break;
case SPIDER_NET_GRFDFLLINT:
@@ -1694,7 +1704,8 @@ spider_net_enable_card(struct spider_net_card *card)
{
int i;
/* the following array consists of (register),(value) pairs
- * that are set in this function. A register of 0 ends the list */
+ * that are set in this function. A register of 0 ends the list
+ */
u32 regs[][2] = {
{ SPIDER_NET_GRESUMINTNUM, 0 },
{ SPIDER_NET_GREINTNUM, 0 },
@@ -1757,7 +1768,8 @@ spider_net_enable_card(struct spider_net_card *card)
spider_net_write_reg(card, SPIDER_NET_ECMODE, SPIDER_NET_ECMODE_VALUE);
/* set chain tail address for RX chains and
- * enable DMA */
+ * enable DMA
+ */
spider_net_enable_rxchtails(card);
spider_net_enable_rxdmac(card);
@@ -1995,7 +2007,8 @@ static void spider_net_link_phy(struct timer_list *t)
case BCM54XX_UNKNOWN:
/* copper, fiber with and without failed,
- * retry from beginning */
+ * retry from beginning
+ */
spider_net_setup_aneg(card);
card->medium = BCM54XX_COPPER;
break;
@@ -2263,7 +2276,8 @@ spider_net_setup_netdev(struct spider_net_card *card)
netdev->features |= NETIF_F_RXCSUM;
netdev->features |= NETIF_F_IP_CSUM | NETIF_F_LLTX;
/* some time: NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
- * NETIF_F_HW_VLAN_CTAG_FILTER */
+ * NETIF_F_HW_VLAN_CTAG_FILTER
+ */
/* MTU range: 64 - 2294 */
netdev->min_mtu = SPIDER_NET_MIN_MTU;