diff options
Diffstat (limited to 'drivers/isdn/mISDN/core.c')
| -rw-r--r-- | drivers/isdn/mISDN/core.c | 105 |
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); - |
