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authorJoe Perches <joe@perches.com>2015-05-05 10:05:48 -0700
committerMichael Grzeschik <m.grzeschik@pengutronix.de>2015-09-23 08:44:22 +0200
commit01a1d5ac4e1a5890fd6c0d0ae900e1b6e4f851d6 (patch)
tree9901ed198d8af0bf30f79520248fa2dbc29be327 /drivers/net/arcnet/arcnet.c
parentarcnet: Use normal kernel spacing style (diff)
downloadlinux-dev-01a1d5ac4e1a5890fd6c0d0ae900e1b6e4f851d6.tar.xz
linux-dev-01a1d5ac4e1a5890fd6c0d0ae900e1b6e4f851d6.zip
arcnet: Add and remove blank lines
Use a more current kernel line style. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Diffstat (limited to 'drivers/net/arcnet/arcnet.c')
-rw-r--r--drivers/net/arcnet/arcnet.c23
1 files changed, 3 insertions, 20 deletions
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c
index 2a594d1c4b55..bb49753f8203 100644
--- a/drivers/net/arcnet/arcnet.c
+++ b/drivers/net/arcnet/arcnet.c
@@ -168,7 +168,6 @@ void arcnet_dump_skb(struct net_device *dev,
EXPORT_SYMBOL(arcnet_dump_skb);
#endif
-
/*
* Dump the contents of an ARCnet buffer
*/
@@ -206,7 +205,6 @@ static void arcnet_dump_packet(struct net_device *dev, int bufnum,
#endif
-
/*
* Unregister a protocol driver from the arc_proto_map. Protocol drivers
* are responsible for registering themselves, but the unregister routine
@@ -229,7 +227,6 @@ void arcnet_unregister_proto(struct ArcProto *proto)
}
}
-
/*
* Add a buffer to the queue. Only the interrupt handler is allowed to do
* this, unless interrupts are disabled.
@@ -254,7 +251,6 @@ 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.
@@ -281,7 +277,6 @@ static int get_arcbuf(struct net_device *dev)
}
}
-
BUGLVL(D_DURING) {
BUGMSG(D_DURING, "get_arcbuf: got #%d; buffer queue is now: ", buf);
for (i = lp->next_buf; i != lp->first_free_buf; i = (i + 1) % 5)
@@ -293,7 +288,6 @@ static int get_arcbuf(struct net_device *dev)
return buf;
}
-
static int choose_mtu(void)
{
int count, mtu = 65535;
@@ -348,6 +342,7 @@ struct net_device *alloc_arcdev(const char *name)
arcdev_setup);
if (dev) {
struct arcnet_local *lp = netdev_priv(dev);
+
spin_lock_init(&lp->lock);
}
@@ -380,7 +375,6 @@ int arcnet_open(struct net_device *dev)
BUGMSG2(D_PROTO, "\n");
}
-
BUGMSG(D_INIT, "arcnet_open: resetting card.\n");
/* try to put the card in a defined state - if it fails the first
@@ -437,7 +431,6 @@ int arcnet_open(struct net_device *dev)
ACOMMAND(CFLAGScmd | RESETclear);
}
-
BUGMSG(D_DEBUG, "%s: %d: %s\n", __FILE__, __LINE__, __func__);
/* make sure we're ready to receive IRQ's. */
AINTMASK(0);
@@ -459,7 +452,6 @@ int arcnet_open(struct net_device *dev)
return error;
}
-
/* The inverse routine to arcnet_open - shuts down the card. */
int arcnet_close(struct net_device *dev)
{
@@ -479,7 +471,6 @@ int arcnet_close(struct net_device *dev)
return 0;
}
-
static int arcnet_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type, const void *daddr,
const void *saddr, unsigned len)
@@ -498,7 +489,6 @@ static int arcnet_header(struct sk_buff *skb, struct net_device *dev,
BUGMSG(D_NORMAL, "arcnet_header: Yikes! skb->len(%d) != len(%d)!\n",
skb->len, len);
-
/* Type is host order - ? */
if (type == ETH_P_ARCNET) {
proto = arc_raw_proto;
@@ -622,7 +612,6 @@ 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
* by prepare_tx. This should _only_ be called by the interrupt handler.
@@ -654,7 +643,6 @@ static int go_tx(struct net_device *dev)
return 1;
}
-
/* Called by the kernel when transmit times out */
void arcnet_timeout(struct net_device *dev)
{
@@ -691,7 +679,6 @@ void arcnet_timeout(struct net_device *dev)
netif_wake_queue(dev);
}
-
/*
* The typical workload of the driver: Handle the network interface
* interrupts. Establish which device needs attention, and call the correct
@@ -787,7 +774,6 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
didsomething++;
}
-
/* a transmit finished, and we're interested in it. */
if ((status & lp->intmask & TXFREEflag) || lp->timed_out) {
lp->intmask &= ~(TXFREEflag | EXCNAKflag);
@@ -814,6 +800,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
if (lp->outgoing.proto &&
lp->outgoing.proto->ack_tx) {
int ackstatus;
+
if (status & TXACKflag)
ackstatus = 2;
else if (lp->excnak_pending)
@@ -838,6 +825,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
/* continue a split packet, if any */
if (lp->outgoing.proto && lp->outgoing.proto->continue_tx) {
int txbuf = get_arcbuf(dev);
+
if (txbuf != -1) {
if (lp->outgoing.proto->continue_tx(dev, txbuf)) {
/* that was the last segment */
@@ -930,7 +918,6 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
ASTATUS(), boguscount);
BUGMSG(D_DURING, "\n");
-
AINTMASK(0);
udelay(1);
AINTMASK(lp->intmask);
@@ -939,7 +926,6 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
return retval;
}
-
/*
* This is a generic packet receiver that calls arcnet??_rx depending on the
* protocol ID found.
@@ -1002,7 +988,6 @@ static void arcnet_rx(struct net_device *dev, int bufnum)
arc_proto_map[soft->proto]->rx(dev, bufnum, &pkt, length);
}
-
static void null_rx(struct net_device *dev, int bufnum,
struct archdr *pkthdr, int length)
{
@@ -1011,7 +996,6 @@ static void null_rx(struct net_device *dev, int bufnum,
pkthdr->soft.rfc1201.proto, pkthdr->hard.source);
}
-
static int null_build_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type, uint8_t daddr)
{
@@ -1025,7 +1009,6 @@ static int null_build_header(struct sk_buff *skb, struct net_device *dev,
return 0;
}
-
/* the "do nothing" prepare_tx function warns that there's nothing to do. */
static int null_prepare_tx(struct net_device *dev, struct archdr *pkt,
int length, int bufnum)