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Diffstat (limited to 'drivers/net/arcnet')
-rw-r--r--drivers/net/arcnet/Kconfig4
-rw-r--r--drivers/net/arcnet/arc-rawmode.c2
-rw-r--r--drivers/net/arcnet/arc-rimi.c68
-rw-r--r--drivers/net/arcnet/arcnet.c20
-rw-r--r--drivers/net/arcnet/com90xx.c132
-rw-r--r--drivers/net/arcnet/rfc1051.c2
-rw-r--r--drivers/net/arcnet/rfc1201.c2
7 files changed, 160 insertions, 70 deletions
diff --git a/drivers/net/arcnet/Kconfig b/drivers/net/arcnet/Kconfig
index 948de2532a1e..7284ccad0b91 100644
--- a/drivers/net/arcnet/Kconfig
+++ b/drivers/net/arcnet/Kconfig
@@ -68,10 +68,10 @@ config ARCNET_CAP
packet is stuffed with an extra 4 byte "cookie" which doesn't
actually appear on the network. After transmit the driver will send
back a packet with protocol byte 0 containing the status of the
- transmition:
+ transmission:
0=no hardware acknowledge
1=excessive nak
- 2=transmition accepted by the reciever hardware
+ 2=transmission accepted by the receiver hardware
Received packets are also stuffed with the extra 4 bytes but it will
be random data.
diff --git a/drivers/net/arcnet/arc-rawmode.c b/drivers/net/arcnet/arc-rawmode.c
index e1ea29b0cd14..e7555d4e6ff1 100644
--- a/drivers/net/arcnet/arc-rawmode.c
+++ b/drivers/net/arcnet/arc-rawmode.c
@@ -42,7 +42,7 @@ static int build_header(struct sk_buff *skb, struct net_device *dev,
static int prepare_tx(struct net_device *dev, struct archdr *pkt, int length,
int bufnum);
-struct ArcProto rawmode_proto =
+static struct ArcProto rawmode_proto =
{
.suffix = 'r',
.mtu = XMTU,
diff --git a/drivers/net/arcnet/arc-rimi.c b/drivers/net/arcnet/arc-rimi.c
index 38c3f033f739..8c8d6c453c45 100644
--- a/drivers/net/arcnet/arc-rimi.c
+++ b/drivers/net/arcnet/arc-rimi.c
@@ -97,25 +97,44 @@ static int __init arcrimi_probe(struct net_device *dev)
"must specify the shmem and irq!\n");
return -ENODEV;
}
+ if (dev->dev_addr[0] == 0) {
+ BUGMSG(D_NORMAL, "You need to specify your card's station "
+ "ID!\n");
+ return -ENODEV;
+ }
/*
- * Grab the memory region at mem_start for BUFFER_SIZE bytes.
+ * Grab the memory region at mem_start for MIRROR_SIZE bytes.
* Later in arcrimi_found() the real size will be determined
* and this reserve will be released and the correct size
* will be taken.
*/
- if (!request_mem_region(dev->mem_start, BUFFER_SIZE, "arcnet (90xx)")) {
+ if (!request_mem_region(dev->mem_start, MIRROR_SIZE, "arcnet (90xx)")) {
BUGMSG(D_NORMAL, "Card memory already allocated\n");
return -ENODEV;
}
- if (dev->dev_addr[0] == 0) {
- release_mem_region(dev->mem_start, BUFFER_SIZE);
- BUGMSG(D_NORMAL, "You need to specify your card's station "
- "ID!\n");
- return -ENODEV;
- }
return arcrimi_found(dev);
}
+static int check_mirror(unsigned long addr, size_t size)
+{
+ void __iomem *p;
+ int res = -1;
+
+ if (!request_mem_region(addr, size, "arcnet (90xx)"))
+ return -1;
+
+ p = ioremap(addr, size);
+ if (p) {
+ if (readb(p) == TESTvalue)
+ res = 1;
+ else
+ res = 0;
+ iounmap(p);
+ }
+
+ release_mem_region(addr, size);
+ return res;
+}
/*
* Set up the struct net_device associated with this card. Called after
@@ -125,19 +144,28 @@ static int __init arcrimi_found(struct net_device *dev)
{
struct arcnet_local *lp;
unsigned long first_mirror, last_mirror, shmem;
+ void __iomem *p;
int mirror_size;
int err;
+ p = ioremap(dev->mem_start, MIRROR_SIZE);
+ if (!p) {
+ release_mem_region(dev->mem_start, MIRROR_SIZE);
+ BUGMSG(D_NORMAL, "Can't ioremap\n");
+ return -ENODEV;
+ }
+
/* reserve the irq */
if (request_irq(dev->irq, &arcnet_interrupt, 0, "arcnet (RIM I)", dev)) {
- release_mem_region(dev->mem_start, BUFFER_SIZE);
+ iounmap(p);
+ release_mem_region(dev->mem_start, MIRROR_SIZE);
BUGMSG(D_NORMAL, "Can't get IRQ %d!\n", dev->irq);
return -ENODEV;
}
shmem = dev->mem_start;
- isa_writeb(TESTvalue, shmem);
- isa_writeb(dev->dev_addr[0], shmem + 1); /* actually the node ID */
+ writeb(TESTvalue, p);
+ writeb(dev->dev_addr[0], p + 1); /* actually the node ID */
/* find the real shared memory start/end points, including mirrors */
@@ -146,17 +174,18 @@ static int __init arcrimi_found(struct net_device *dev)
* 2k (or there are no mirrors at all) but on some, it's 4k.
*/
mirror_size = MIRROR_SIZE;
- if (isa_readb(shmem) == TESTvalue
- && isa_readb(shmem - mirror_size) != TESTvalue
- && isa_readb(shmem - 2 * mirror_size) == TESTvalue)
- mirror_size *= 2;
+ if (readb(p) == TESTvalue
+ && check_mirror(shmem - MIRROR_SIZE, MIRROR_SIZE) == 0
+ && check_mirror(shmem - 2 * MIRROR_SIZE, MIRROR_SIZE) == 1)
+ mirror_size = 2 * MIRROR_SIZE;
- first_mirror = last_mirror = shmem;
- while (isa_readb(first_mirror) == TESTvalue)
+ first_mirror = shmem - mirror_size;
+ while (check_mirror(first_mirror, mirror_size) == 1)
first_mirror -= mirror_size;
first_mirror += mirror_size;
- while (isa_readb(last_mirror) == TESTvalue)
+ last_mirror = shmem + mirror_size;
+ while (check_mirror(last_mirror, mirror_size) == 1)
last_mirror += mirror_size;
last_mirror -= mirror_size;
@@ -181,7 +210,8 @@ static int __init arcrimi_found(struct net_device *dev)
* with the correct size. There is a VERY slim chance this could
* fail.
*/
- release_mem_region(shmem, BUFFER_SIZE);
+ iounmap(p);
+ release_mem_region(shmem, MIRROR_SIZE);
if (!request_mem_region(dev->mem_start,
dev->mem_end - dev->mem_start + 1,
"arcnet (90xx)")) {
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c
index 12ef52c193a3..64e2caf3083d 100644
--- a/drivers/net/arcnet/arcnet.c
+++ b/drivers/net/arcnet/arcnet.c
@@ -52,6 +52,7 @@
#include <net/arp.h>
#include <linux/init.h>
#include <linux/arcdevice.h>
+#include <linux/jiffies.h>
/* "do nothing" functions for protocol drivers */
static void null_rx(struct net_device *dev, int bufnum,
@@ -61,6 +62,7 @@ static int null_build_header(struct sk_buff *skb, struct net_device *dev,
static int null_prepare_tx(struct net_device *dev, struct archdr *pkt,
int length, int bufnum);
+static void arcnet_rx(struct net_device *dev, int bufnum);
/*
* one ArcProto per possible proto ID. None of the elements of
@@ -71,7 +73,7 @@ static int null_prepare_tx(struct net_device *dev, struct archdr *pkt,
struct ArcProto *arc_proto_map[256], *arc_proto_default,
*arc_bcast_proto, *arc_raw_proto;
-struct ArcProto arc_proto_null =
+static struct ArcProto arc_proto_null =
{
.suffix = '?',
.mtu = XMTU,
@@ -90,7 +92,6 @@ EXPORT_SYMBOL(arc_proto_map);
EXPORT_SYMBOL(arc_proto_default);
EXPORT_SYMBOL(arc_bcast_proto);
EXPORT_SYMBOL(arc_raw_proto);
-EXPORT_SYMBOL(arc_proto_null);
EXPORT_SYMBOL(arcnet_unregister_proto);
EXPORT_SYMBOL(arcnet_debug);
EXPORT_SYMBOL(alloc_arcdev);
@@ -118,7 +119,7 @@ static int __init arcnet_init(void)
arcnet_debug = debug;
- printk(VERSION);
+ printk("arcnet loaded.\n");
#ifdef ALPHA_WARNING
BUGLVL(D_EXTRA) {
@@ -178,8 +179,8 @@ EXPORT_SYMBOL(arcnet_dump_skb);
* Dump the contents of an ARCnet buffer
*/
#if (ARCNET_DEBUG_MAX & (D_RX | D_TX))
-void arcnet_dump_packet(struct net_device *dev, int bufnum, char *desc,
- int take_arcnet_lock)
+static void arcnet_dump_packet(struct net_device *dev, int bufnum,
+ char *desc, int take_arcnet_lock)
{
struct arcnet_local *lp = dev->priv;
int i, length;
@@ -208,7 +209,10 @@ void arcnet_dump_packet(struct net_device *dev, int bufnum, char *desc,
}
-EXPORT_SYMBOL(arcnet_dump_packet);
+#else
+
+#define arcnet_dump_packet(dev, bufnum, desc,take_arcnet_lock) do { } while (0)
+
#endif
@@ -733,7 +737,7 @@ static void arcnet_timeout(struct net_device *dev)
spin_unlock_irqrestore(&lp->lock, flags);
- if (jiffies - lp->last_timeout > 10*HZ) {
+ if (time_after(jiffies, lp->last_timeout + 10*HZ)) {
BUGMSG(D_EXTRA, "tx timed out%s (status=%Xh, intmask=%Xh, dest=%02Xh)\n",
msg, status, lp->intmask, lp->lasttrans_dest);
lp->last_timeout = jiffies;
@@ -996,7 +1000,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id, struct pt_regs *regs)
* This is a generic packet receiver that calls arcnet??_rx depending on the
* protocol ID found.
*/
-void arcnet_rx(struct net_device *dev, int bufnum)
+static void arcnet_rx(struct net_device *dev, int bufnum)
{
struct arcnet_local *lp = dev->priv;
struct archdr pkt;
diff --git a/drivers/net/arcnet/com90xx.c b/drivers/net/arcnet/com90xx.c
index 6c2c9b9ac6db..43150b2bd13f 100644
--- a/drivers/net/arcnet/com90xx.c
+++ b/drivers/net/arcnet/com90xx.c
@@ -53,7 +53,7 @@
/* Internal function declarations */
-static int com90xx_found(int ioaddr, int airq, u_long shmem);
+static int com90xx_found(int ioaddr, int airq, u_long shmem, void __iomem *);
static void com90xx_command(struct net_device *dev, int command);
static int com90xx_status(struct net_device *dev);
static void com90xx_setmask(struct net_device *dev, int mask);
@@ -116,14 +116,26 @@ static void __init com90xx_probe(void)
unsigned long airqmask;
int ports[(0x3f0 - 0x200) / 16 + 1] =
{0};
- u_long shmems[(0xFF800 - 0xA0000) / 2048 + 1] =
- {0};
+ unsigned long *shmems;
+ void __iomem **iomem;
int numports, numshmems, *port;
u_long *p;
+ int index;
if (!io && !irq && !shmem && !*device && com90xx_skip_probe)
return;
+ shmems = kzalloc(((0x10000-0xa0000) / 0x800) * sizeof(unsigned long),
+ GFP_KERNEL);
+ if (!shmems)
+ return;
+ iomem = kzalloc(((0x10000-0xa0000) / 0x800) * sizeof(void __iomem *),
+ GFP_KERNEL);
+ if (!iomem) {
+ kfree(shmems);
+ return;
+ }
+
BUGLVL(D_NORMAL) printk(VERSION);
/* set up the arrays where we'll store the possible probe addresses */
@@ -179,6 +191,8 @@ static void __init com90xx_probe(void)
if (!numports) {
BUGMSG2(D_NORMAL, "S1: No ARCnet cards found.\n");
+ kfree(shmems);
+ kfree(iomem);
return;
}
/* Stage 2: we have now reset any possible ARCnet cards, so we can't
@@ -202,8 +216,8 @@ static void __init com90xx_probe(void)
* 0xD1 byte in the right place, or are read-only.
*/
numprint = -1;
- for (p = &shmems[0]; p < shmems + numshmems; p++) {
- u_long ptr = *p;
+ for (index = 0, p = &shmems[0]; index < numshmems; p++, index++) {
+ void __iomem *base;
numprint++;
numprint %= 8;
@@ -213,38 +227,49 @@ static void __init com90xx_probe(void)
}
BUGMSG2(D_INIT, "%lXh ", *p);
- if (!request_mem_region(*p, BUFFER_SIZE, "arcnet (90xx)")) {
+ if (!request_mem_region(*p, MIRROR_SIZE, "arcnet (90xx)")) {
BUGMSG2(D_INIT_REASONS, "(request_mem_region)\n");
BUGMSG2(D_INIT_REASONS, "Stage 3: ");
BUGLVL(D_INIT_REASONS) numprint = 0;
- *p-- = shmems[--numshmems];
- continue;
+ goto out;
+ }
+ base = ioremap(*p, MIRROR_SIZE);
+ if (!base) {
+ BUGMSG2(D_INIT_REASONS, "(ioremap)\n");
+ BUGMSG2(D_INIT_REASONS, "Stage 3: ");
+ BUGLVL(D_INIT_REASONS) numprint = 0;
+ goto out1;
}
- if (isa_readb(ptr) != TESTvalue) {
+ if (readb(base) != TESTvalue) {
BUGMSG2(D_INIT_REASONS, "(%02Xh != %02Xh)\n",
- isa_readb(ptr), TESTvalue);
+ readb(base), TESTvalue);
BUGMSG2(D_INIT_REASONS, "S3: ");
BUGLVL(D_INIT_REASONS) numprint = 0;
- release_mem_region(*p, BUFFER_SIZE);
- *p-- = shmems[--numshmems];
- continue;
+ goto out2;
}
/* By writing 0x42 to the TESTvalue location, we also make
* sure no "mirror" shmem areas show up - if they occur
* in another pass through this loop, they will be discarded
* because *cptr != TESTvalue.
*/
- isa_writeb(0x42, ptr);
- if (isa_readb(ptr) != 0x42) {
+ writeb(0x42, base);
+ if (readb(base) != 0x42) {
BUGMSG2(D_INIT_REASONS, "(read only)\n");
BUGMSG2(D_INIT_REASONS, "S3: ");
- release_mem_region(*p, BUFFER_SIZE);
- *p-- = shmems[--numshmems];
- continue;
+ goto out2;
}
BUGMSG2(D_INIT_REASONS, "\n");
BUGMSG2(D_INIT_REASONS, "S3: ");
BUGLVL(D_INIT_REASONS) numprint = 0;
+ iomem[index] = base;
+ continue;
+ out2:
+ iounmap(base);
+ out1:
+ release_mem_region(*p, MIRROR_SIZE);
+ out:
+ *p-- = shmems[--numshmems];
+ index--;
}
BUGMSG2(D_INIT, "\n");
@@ -252,6 +277,8 @@ static void __init com90xx_probe(void)
BUGMSG2(D_NORMAL, "S3: No ARCnet cards found.\n");
for (port = &ports[0]; port < ports + numports; port++)
release_region(*port, ARCNET_TOTAL_SIZE);
+ kfree(shmems);
+ kfree(iomem);
return;
}
/* Stage 4: something of a dummy, to report the shmems that are
@@ -351,30 +378,32 @@ static void __init com90xx_probe(void)
mdelay(RESETtime);
} else {
/* just one shmem and port, assume they match */
- isa_writeb(TESTvalue, shmems[0]);
+ writeb(TESTvalue, iomem[0]);
}
#else
inb(_RESET);
mdelay(RESETtime);
#endif
- for (p = &shmems[0]; p < shmems + numshmems; p++) {
- u_long ptr = *p;
+ for (index = 0; index < numshmems; index++) {
+ u_long ptr = shmems[index];
+ void __iomem *base = iomem[index];
- if (isa_readb(ptr) == TESTvalue) { /* found one */
+ if (readb(base) == TESTvalue) { /* found one */
BUGMSG2(D_INIT, "%lXh)\n", *p);
openparen = 0;
/* register the card */
- if (com90xx_found(*port, airq, *p) == 0)
+ if (com90xx_found(*port, airq, ptr, base) == 0)
found = 1;
numprint = -1;
/* remove shmem from the list */
- *p = shmems[--numshmems];
+ shmems[index] = shmems[--numshmems];
+ iomem[index] = iomem[numshmems];
break; /* go to the next I/O port */
} else {
- BUGMSG2(D_INIT_REASONS, "%Xh-", isa_readb(ptr));
+ BUGMSG2(D_INIT_REASONS, "%Xh-", readb(base));
}
}
@@ -391,17 +420,40 @@ static void __init com90xx_probe(void)
BUGLVL(D_INIT_REASONS) printk("\n");
/* Now put back TESTvalue on all leftover shmems. */
- for (p = &shmems[0]; p < shmems + numshmems; p++) {
- isa_writeb(TESTvalue, *p);
- release_mem_region(*p, BUFFER_SIZE);
+ for (index = 0; index < numshmems; index++) {
+ writeb(TESTvalue, iomem[index]);
+ iounmap(iomem[index]);
+ release_mem_region(shmems[index], MIRROR_SIZE);
}
+ kfree(shmems);
+ kfree(iomem);
}
+static int check_mirror(unsigned long addr, size_t size)
+{
+ void __iomem *p;
+ int res = -1;
+
+ if (!request_mem_region(addr, size, "arcnet (90xx)"))
+ return -1;
+
+ p = ioremap(addr, size);
+ if (p) {
+ if (readb(p) == TESTvalue)
+ res = 1;
+ else
+ res = 0;
+ iounmap(p);
+ }
+
+ release_mem_region(addr, size);
+ return res;
+}
/* Set up the struct net_device associated with this card. Called after
* probing succeeds.
*/
-static int __init com90xx_found(int ioaddr, int airq, u_long shmem)
+static int __init com90xx_found(int ioaddr, int airq, u_long shmem, void __iomem *p)
{
struct net_device *dev = NULL;
struct arcnet_local *lp;
@@ -412,7 +464,8 @@ static int __init com90xx_found(int ioaddr, int airq, u_long shmem)
dev = alloc_arcdev(device);
if (!dev) {
BUGMSG2(D_NORMAL, "com90xx: Can't allocate device!\n");
- release_mem_region(shmem, BUFFER_SIZE);
+ iounmap(p);
+ release_mem_region(shmem, MIRROR_SIZE);
return -ENOMEM;
}
lp = dev->priv;
@@ -423,24 +476,27 @@ static int __init com90xx_found(int ioaddr, int airq, u_long shmem)
* 2k (or there are no mirrors at all) but on some, it's 4k.
*/
mirror_size = MIRROR_SIZE;
- if (isa_readb(shmem) == TESTvalue
- && isa_readb(shmem - mirror_size) != TESTvalue
- && isa_readb(shmem - 2 * mirror_size) == TESTvalue)
- mirror_size *= 2;
+ if (readb(p) == TESTvalue &&
+ check_mirror(shmem - MIRROR_SIZE, MIRROR_SIZE) == 0 &&
+ check_mirror(shmem - 2 * MIRROR_SIZE, MIRROR_SIZE) == 1)
+ mirror_size = 2 * MIRROR_SIZE;
- first_mirror = last_mirror = shmem;
- while (isa_readb(first_mirror) == TESTvalue)
+ first_mirror = shmem - mirror_size;
+ while (check_mirror(first_mirror, mirror_size) == 1)
first_mirror -= mirror_size;
first_mirror += mirror_size;
- while (isa_readb(last_mirror) == TESTvalue)
+ last_mirror = shmem + mirror_size;
+ while (check_mirror(last_mirror, mirror_size) == 1)
last_mirror += mirror_size;
last_mirror -= mirror_size;
dev->mem_start = first_mirror;
dev->mem_end = last_mirror + MIRROR_SIZE - 1;
- release_mem_region(shmem, BUFFER_SIZE);
+ iounmap(p);
+ release_mem_region(shmem, MIRROR_SIZE);
+
if (!request_mem_region(dev->mem_start, dev->mem_end - dev->mem_start + 1, "arcnet (90xx)"))
goto err_free_dev;
diff --git a/drivers/net/arcnet/rfc1051.c b/drivers/net/arcnet/rfc1051.c
index 6d7913704fb5..6d6c69f036ef 100644
--- a/drivers/net/arcnet/rfc1051.c
+++ b/drivers/net/arcnet/rfc1051.c
@@ -43,7 +43,7 @@ static int prepare_tx(struct net_device *dev, struct archdr *pkt, int length,
int bufnum);
-struct ArcProto rfc1051_proto =
+static struct ArcProto rfc1051_proto =
{
.suffix = 's',
.mtu = XMTU - RFC1051_HDR_SIZE,
diff --git a/drivers/net/arcnet/rfc1201.c b/drivers/net/arcnet/rfc1201.c
index 6b6ae4bf3d39..bee34226abfa 100644
--- a/drivers/net/arcnet/rfc1201.c
+++ b/drivers/net/arcnet/rfc1201.c
@@ -43,7 +43,7 @@ static int prepare_tx(struct net_device *dev, struct archdr *pkt, int length,
int bufnum);
static int continue_tx(struct net_device *dev, int bufnum);
-struct ArcProto rfc1201_proto =
+static struct ArcProto rfc1201_proto =
{
.suffix = 'a',
.mtu = 1500, /* could be more, but some receivers can't handle it... */