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path: root/drivers/isdn/mISDN/core.c
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Diffstat (limited to 'drivers/isdn/mISDN/core.c')
-rw-r--r--drivers/isdn/mISDN/core.c105
1 files changed, 62 insertions, 43 deletions
diff --git a/drivers/isdn/mISDN/core.c b/drivers/isdn/mISDN/core.c
index afeebb00fe0..faf505462a4 100644
--- a/drivers/isdn/mISDN/core.c
+++ b/drivers/isdn/mISDN/core.c
@@ -37,8 +37,8 @@ static void mISDN_dev_release(struct device *dev)
/* nothing to do: the device is part of its parent's data structure */
}
-static ssize_t _show_id(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t id_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct mISDNdevice *mdev = dev_to_mISDN(dev);
@@ -46,9 +46,10 @@ static ssize_t _show_id(struct device *dev,
return -ENODEV;
return sprintf(buf, "%d\n", mdev->id);
}
+static DEVICE_ATTR_RO(id);
-static ssize_t _show_nrbchan(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t nrbchan_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct mISDNdevice *mdev = dev_to_mISDN(dev);
@@ -56,8 +57,9 @@ static ssize_t _show_nrbchan(struct device *dev,
return -ENODEV;
return sprintf(buf, "%d\n", mdev->nrbchan);
}
+static DEVICE_ATTR_RO(nrbchan);
-static ssize_t _show_d_protocols(struct device *dev,
+static ssize_t d_protocols_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mISDNdevice *mdev = dev_to_mISDN(dev);
@@ -66,8 +68,9 @@ static ssize_t _show_d_protocols(struct device *dev,
return -ENODEV;
return sprintf(buf, "%d\n", mdev->Dprotocols);
}
+static DEVICE_ATTR_RO(d_protocols);
-static ssize_t _show_b_protocols(struct device *dev,
+static ssize_t b_protocols_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mISDNdevice *mdev = dev_to_mISDN(dev);
@@ -76,9 +79,10 @@ static ssize_t _show_b_protocols(struct device *dev,
return -ENODEV;
return sprintf(buf, "%d\n", mdev->Bprotocols | get_all_Bprotocols());
}
+static DEVICE_ATTR_RO(b_protocols);
-static ssize_t _show_protocol(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t protocol_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct mISDNdevice *mdev = dev_to_mISDN(dev);
@@ -86,17 +90,19 @@ static ssize_t _show_protocol(struct device *dev,
return -ENODEV;
return sprintf(buf, "%d\n", mdev->D.protocol);
}
+static DEVICE_ATTR_RO(protocol);
-static ssize_t _show_name(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t name_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
strcpy(buf, dev_name(dev));
return strlen(buf);
}
+static DEVICE_ATTR_RO(name);
#if 0 /* hangs */
-static ssize_t _set_name(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t name_set(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
int err = 0;
char *out = kmalloc(count + 1, GFP_KERNEL);
@@ -113,10 +119,11 @@ static ssize_t _set_name(struct device *dev, struct device_attribute *attr,
return (err < 0) ? err : count;
}
+static DEVICE_ATTR_RW(name);
#endif
-static ssize_t _show_channelmap(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t channelmap_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct mISDNdevice *mdev = dev_to_mISDN(dev);
char *bp = buf;
@@ -127,20 +134,20 @@ static ssize_t _show_channelmap(struct device *dev,
return bp - buf;
}
-
-static struct device_attribute mISDN_dev_attrs[] = {
- __ATTR(id, S_IRUGO, _show_id, NULL),
- __ATTR(d_protocols, S_IRUGO, _show_d_protocols, NULL),
- __ATTR(b_protocols, S_IRUGO, _show_b_protocols, NULL),
- __ATTR(protocol, S_IRUGO, _show_protocol, NULL),
- __ATTR(channelmap, S_IRUGO, _show_channelmap, NULL),
- __ATTR(nrbchan, S_IRUGO, _show_nrbchan, NULL),
- __ATTR(name, S_IRUGO, _show_name, NULL),
-/* __ATTR(name, S_IRUGO|S_IWUSR, _show_name, _set_name), */
- {}
+static DEVICE_ATTR_RO(channelmap);
+
+static struct attribute *mISDN_attrs[] = {
+ &dev_attr_id.attr,
+ &dev_attr_d_protocols.attr,
+ &dev_attr_b_protocols.attr,
+ &dev_attr_protocol.attr,
+ &dev_attr_channelmap.attr,
+ &dev_attr_nrbchan.attr,
+ &dev_attr_name.attr,
+ NULL,
};
+ATTRIBUTE_GROUPS(mISDN);
-#ifdef CONFIG_HOTPLUG
static int mISDN_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct mISDNdevice *mdev = dev_to_mISDN(dev);
@@ -153,7 +160,6 @@ static int mISDN_uevent(struct device *dev, struct kobj_uevent_env *env)
return 0;
}
-#endif
static void mISDN_class_release(struct class *cls)
{
@@ -163,22 +169,20 @@ static void mISDN_class_release(struct class *cls)
static struct class mISDN_class = {
.name = "mISDN",
.owner = THIS_MODULE,
-#ifdef CONFIG_HOTPLUG
.dev_uevent = mISDN_uevent,
-#endif
- .dev_attrs = mISDN_dev_attrs,
+ .dev_groups = mISDN_groups,
.dev_release = mISDN_dev_release,
.class_release = mISDN_class_release,
};
static int
-_get_mdevice(struct device *dev, void *id)
+_get_mdevice(struct device *dev, const void *id)
{
struct mISDNdevice *mdev = dev_to_mISDN(dev);
if (!mdev)
return 0;
- if (mdev->id != *(u_int *)id)
+ if (mdev->id != *(const u_int *)id)
return 0;
return 1;
}
@@ -187,7 +191,7 @@ struct mISDNdevice
*get_mdevice(u_int id)
{
return dev_to_mISDN(class_find_device(&mISDN_class, NULL, &id,
- _get_mdevice));
+ _get_mdevice));
}
static int
@@ -221,7 +225,7 @@ get_free_devid(void)
int
mISDN_register_device(struct mISDNdevice *dev,
- struct device *parent, char *name)
+ struct device *parent, char *name)
{
int err;
@@ -237,7 +241,7 @@ mISDN_register_device(struct mISDNdevice *dev,
dev_set_name(&dev->dev, "mISDN%d", dev->id);
if (debug & DEBUG_CORE)
printk(KERN_DEBUG "mISDN_register %s %d\n",
- dev_name(&dev->dev), dev->id);
+ dev_name(&dev->dev), dev->id);
err = create_stack(dev);
if (err)
goto error1;
@@ -265,7 +269,7 @@ void
mISDN_unregister_device(struct mISDNdevice *dev) {
if (debug & DEBUG_CORE)
printk(KERN_DEBUG "mISDN_unregister %s %d\n",
- dev_name(&dev->dev), dev->id);
+ dev_name(&dev->dev), dev->id);
/* sysfs_remove_link(&dev->dev.kobj, "device"); */
device_del(&dev->dev);
dev_set_drvdata(&dev->dev, NULL);
@@ -311,7 +315,7 @@ get_Bprotocol4id(u_int id)
if (id < ISDN_P_B_START || id > 63) {
printk(KERN_WARNING "%s id not in range %d\n",
- __func__, id);
+ __func__, id);
return NULL;
}
m = 1 << (id & ISDN_P_B_MASK);
@@ -326,12 +330,12 @@ mISDN_register_Bprotocol(struct Bprotocol *bp)
if (debug & DEBUG_CORE)
printk(KERN_DEBUG "%s: %s/%x\n", __func__,
- bp->name, bp->Bprotocols);
+ bp->name, bp->Bprotocols);
old = get_Bprotocol4mask(bp->Bprotocols);
if (old) {
printk(KERN_WARNING
- "register duplicate protocol old %s/%x new %s/%x\n",
- old->name, old->Bprotocols, bp->name, bp->Bprotocols);
+ "register duplicate protocol old %s/%x new %s/%x\n",
+ old->name, old->Bprotocols, bp->name, bp->Bprotocols);
return -EBUSY;
}
write_lock_irqsave(&bp_lock, flags);
@@ -348,20 +352,36 @@ mISDN_unregister_Bprotocol(struct Bprotocol *bp)
if (debug & DEBUG_CORE)
printk(KERN_DEBUG "%s: %s/%x\n", __func__, bp->name,
- bp->Bprotocols);
+ bp->Bprotocols);
write_lock_irqsave(&bp_lock, flags);
list_del(&bp->list);
write_unlock_irqrestore(&bp_lock, flags);
}
EXPORT_SYMBOL(mISDN_unregister_Bprotocol);
+static const char *msg_no_channel = "<no channel>";
+static const char *msg_no_stack = "<no stack>";
+static const char *msg_no_stackdev = "<no stack device>";
+
+const char *mISDNDevName4ch(struct mISDNchannel *ch)
+{
+ if (!ch)
+ return msg_no_channel;
+ if (!ch->st)
+ return msg_no_stack;
+ if (!ch->st->dev)
+ return msg_no_stackdev;
+ return dev_name(&ch->st->dev->dev);
+};
+EXPORT_SYMBOL(mISDNDevName4ch);
+
static int
mISDNInit(void)
{
int err;
printk(KERN_INFO "Modular ISDN core version %d.%d.%d\n",
- MISDN_MAJOR_VERSION, MISDN_MINOR_VERSION, MISDN_RELEASE);
+ MISDN_MAJOR_VERSION, MISDN_MINOR_VERSION, MISDN_RELEASE);
mISDN_init_clock(&debug);
mISDN_initstack(&debug);
err = class_register(&mISDN_class);
@@ -406,4 +426,3 @@ static void mISDN_cleanup(void)
module_init(mISDNInit);
module_exit(mISDN_cleanup);
-