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path: root/drivers/net/arcnet/arcnet.c
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Diffstat (limited to 'drivers/net/arcnet/arcnet.c')
-rw-r--r--drivers/net/arcnet/arcnet.c76
1 files changed, 31 insertions, 45 deletions
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c
index d70efda777c5..605b4a7abecc 100644
--- a/drivers/net/arcnet/arcnet.c
+++ b/drivers/net/arcnet/arcnet.c
@@ -63,8 +63,7 @@ static int null_prepare_tx(struct net_device *dev, struct archdr *pkt,
static void arcnet_rx(struct net_device *dev, int bufnum);
-/*
- * one ArcProto per possible proto ID. None of the elements of
+/* one ArcProto per possible proto ID. None of the elements of
* arc_proto_map are allowed to be NULL; they will get set to
* arc_proto_default instead. It also must not be NULL; if you would like
* to set it to NULL, set it to &arc_proto_null instead.
@@ -149,9 +148,7 @@ static void __exit arcnet_exit(void)
module_init(arcnet_init);
module_exit(arcnet_exit);
-/*
- * Dump the contents of an sk_buff
- */
+/* Dump the contents of an sk_buff */
#if ARCNET_DEBUG_MAX & D_SKB
void arcnet_dump_skb(struct net_device *dev,
struct sk_buff *skb, char *desc)
@@ -167,9 +164,7 @@ void arcnet_dump_skb(struct net_device *dev,
EXPORT_SYMBOL(arcnet_dump_skb);
#endif
-/*
- * Dump the contents of an ARCnet buffer
- */
+/* Dump the contents of an ARCnet buffer */
#if (ARCNET_DEBUG_MAX & (D_RX | D_TX))
static void arcnet_dump_packet(struct net_device *dev, int bufnum,
char *desc, int take_arcnet_lock)
@@ -181,7 +176,8 @@ static void arcnet_dump_packet(struct net_device *dev, int bufnum,
char hdr[32];
/* hw.copy_from_card expects IRQ context so take the IRQ lock
- to keep it single threaded */
+ * to keep it single threaded
+ */
if (take_arcnet_lock)
spin_lock_irqsave(&lp->lock, flags);
@@ -204,8 +200,7 @@ static void arcnet_dump_packet(struct net_device *dev, int bufnum,
#endif
-/*
- * Unregister a protocol driver from the arc_proto_map. Protocol drivers
+/* Unregister a protocol driver from the arc_proto_map. Protocol drivers
* are responsible for registering themselves, but the unregister routine
* is pretty generic so we'll do it here.
*/
@@ -226,8 +221,7 @@ void arcnet_unregister_proto(struct ArcProto *proto)
}
}
-/*
- * Add a buffer to the queue. Only the interrupt handler is allowed to do
+/* Add a buffer to the queue. Only the interrupt handler is allowed to do
* this, unless interrupts are disabled.
*
* Note: we don't check for a full queue, since there aren't enough buffers
@@ -250,9 +244,8 @@ static void release_arcbuf(struct net_device *dev, int bufnum)
}
}
-/*
- * Get a buffer from the queue. If this returns -1, there are no buffers
- * available.
+/* Get a buffer from the queue.
+ * If this returns -1, there are no buffers available.
*/
static int get_arcbuf(struct net_device *dev)
{
@@ -346,8 +339,7 @@ struct net_device *alloc_arcdev(const char *name)
return dev;
}
-/*
- * Open/initialize the board. This is called sometime after booting when
+/* Open/initialize the board. This is called sometime after booting when
* the 'ifconfig' program is run.
*
* This routine should set everything up anew at each open, even registers
@@ -490,15 +482,13 @@ static int arcnet_header(struct sk_buff *skb, struct net_device *dev,
BUGMSG(D_DEBUG, "arc_raw_proto used. proto='%c'\n", proto->suffix);
_daddr = daddr ? *(uint8_t *)daddr : 0;
} else if (!daddr) {
- /*
- * if the dest addr isn't provided, we can't choose an encapsulation!
- * Store the packet type (eg. ETH_P_IP) for now, and we'll push on a
- * real header when we do rebuild_header.
+ /* if the dest addr isn't provided, we can't choose an
+ * encapsulation! Store the packet type (eg. ETH_P_IP)
+ * for now, and we'll push on a real header when we do
+ * rebuild_header.
*/
*(uint16_t *)skb_push(skb, 2) = type;
- /*
- * XXX: Why not use skb->mac_len?
- */
+ /* XXX: Why not use skb->mac_len? */
if (skb->network_header - skb->mac_header != 2)
BUGMSG(D_NORMAL, "arcnet_header: Yikes! diff (%d) is not 2!\n",
(int)(skb->network_header - skb->mac_header));
@@ -564,7 +554,8 @@ netdev_tx_t arcnet_send_packet(struct sk_buff *skb,
if (proto->prepare_tx(dev, pkt, skb->len, txbuf) &&
!proto->ack_tx) {
/* done right away and we don't want to acknowledge
- the package later - forget about it now */
+ * the package later - forget about it now
+ */
dev->stats.tx_bytes += skb->len;
freeskb = 1;
} else {
@@ -605,8 +596,7 @@ netdev_tx_t arcnet_send_packet(struct sk_buff *skb,
return retval; /* no need to try again */
}
-/*
- * Actually start transmitting a packet that was loaded into a buffer
+/* Actually start transmitting a packet that was loaded into a buffer
* by prepare_tx. This should _only_ be called by the interrupt handler.
*/
static int go_tx(struct net_device *dev)
@@ -672,8 +662,7 @@ void arcnet_timeout(struct net_device *dev)
netif_wake_queue(dev);
}
-/*
- * The typical workload of the driver: Handle the network interface
+/* The typical workload of the driver: Handle the network interface
* interrupts. Establish which device needs attention, and call the correct
* chipset interrupt handler.
*/
@@ -693,9 +682,8 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
spin_lock(&lp->lock);
- /*
- * RESET flag was enabled - if device is not running, we must clear it right
- * away (but nothing else).
+ /* RESET flag was enabled - if device is not running, we must
+ * clear it right away (but nothing else).
*/
if (!netif_running(dev)) {
if (ASTATUS() & RESETflag)
@@ -717,11 +705,11 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
__FILE__, __LINE__, __func__, status);
didsomething = 0;
- /*
- * RESET flag was enabled - card is resetting and if RX is
+ /* RESET flag was enabled - card is resetting and if RX is
* disabled, it's NOT because we just got a packet.
*
- * The card is in an undefined state. Clear it out and start over.
+ * The card is in an undefined state.
+ * Clear it out and start over.
*/
if (status & RESETflag) {
BUGMSG(D_NORMAL, "spurious reset (status=%Xh)\n", status);
@@ -731,14 +719,13 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
/* get out of the interrupt handler! */
break;
}
- /*
- * RX is inhibited - we must have received something. Prepare to
- * receive into the next buffer.
+ /* RX is inhibited - we must have received something.
+ * Prepare to receive into the next buffer.
*
- * We don't actually copy the received packet from the card until
- * after the transmit handler runs (and possibly launches the next
- * tx); this should improve latency slightly if we get both types
- * of interrupts at once.
+ * We don't actually copy the received packet from the card
+ * until after the transmit handler runs (and possibly
+ * launches the next tx); this should improve latency slightly
+ * if we get both types of interrupts at once.
*/
recbuf = -1;
if (status & lp->intmask & NORXflag) {
@@ -914,8 +901,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
return retval;
}
-/*
- * This is a generic packet receiver that calls arcnet??_rx depending on the
+/* This is a generic packet receiver that calls arcnet??_rx depending on the
* protocol ID found.
*/
static void arcnet_rx(struct net_device *dev, int bufnum)