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[Bluetooth] Use real devices for host controllers

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This patch converts the Bluetooth class devices into real devices. The
Bluetooth class is kept and the driver core provides the appropriate
symlinks for backward compatibility.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann 2006-07-03 10:02:41 +02:00 committed by David S. Miller
parent 27d3528425
commit a91f2e396f
8 changed files with 79 additions and 101 deletions
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2
include/net/bluetooth/bluetooth.h
View File

@ -175,6 +175,6 @@ extern int hci_sock_cleanup(void);
extern int bt_sysfs_init(void);
extern void bt_sysfs_cleanup(void);
extern struct class bt_class;
extern struct class *bt_class;
#endif /* __BLUETOOTH_H */

6
include/net/bluetooth/hci_core.h
View File

@ -124,8 +124,8 @@ struct hci_dev {
atomic_t promisc;
struct device *dev;
struct class_device class_dev;
struct device *parent;
struct device dev;
struct module *owner;
@ -413,7 +413,7 @@ static inline int hci_recv_frame(struct sk_buff *skb)
int hci_register_sysfs(struct hci_dev *hdev);
void hci_unregister_sysfs(struct hci_dev *hdev);
#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->class_dev.dev = (pdev))
#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
/* ----- LMP capabilities ----- */
#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)

4
net/bluetooth/hci_core.c
View File

@ -817,8 +817,8 @@ void hci_free_dev(struct hci_dev *hdev)
{
skb_queue_purge(&hdev->driver_init);
/* will free via class release */
class_device_put(&hdev->class_dev);
/* will free via device release */
put_device(&hdev->dev);
}
EXPORT_SYMBOL(hci_free_dev);

152
net/bluetooth/hci_sysfs.c
View File

@ -13,35 +13,35 @@
#define BT_DBG(D...)
#endif
static ssize_t show_name(struct class_device *cdev, char *buf)
static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = class_get_devdata(cdev);
struct hci_dev *hdev = dev_get_drvdata(dev);
return sprintf(buf, "%s\n", hdev->name);
}
static ssize_t show_type(struct class_device *cdev, char *buf)
static ssize_t show_type(struct device *dev, struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = class_get_devdata(cdev);
struct hci_dev *hdev = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", hdev->type);
}
static ssize_t show_address(struct class_device *cdev, char *buf)
static ssize_t show_address(struct device *dev, struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = class_get_devdata(cdev);
struct hci_dev *hdev = dev_get_drvdata(dev);
bdaddr_t bdaddr;
baswap(&bdaddr, &hdev->bdaddr);
return sprintf(buf, "%s\n", batostr(&bdaddr));
}
static ssize_t show_flags(struct class_device *cdev, char *buf)
static ssize_t show_flags(struct device *dev, struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = class_get_devdata(cdev);
struct hci_dev *hdev = dev_get_drvdata(dev);
return sprintf(buf, "0x%lx\n", hdev->flags);
}
static ssize_t show_inquiry_cache(struct class_device *cdev, char *buf)
static ssize_t show_inquiry_cache(struct device *dev, struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = class_get_devdata(cdev);
struct hci_dev *hdev = dev_get_drvdata(dev);
struct inquiry_cache *cache = &hdev->inq_cache;
struct inquiry_entry *e;
int n = 0;
@ -63,15 +63,15 @@ static ssize_t show_inquiry_cache(struct class_device *cdev, char *buf)
return n;
}
static ssize_t show_idle_timeout(struct class_device *cdev, char *buf)
static ssize_t show_idle_timeout(struct device *dev, struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = class_get_devdata(cdev);
struct hci_dev *hdev = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", hdev->idle_timeout);
}
static ssize_t store_idle_timeout(struct class_device *cdev, const char *buf, size_t count)
static ssize_t store_idle_timeout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct hci_dev *hdev = class_get_devdata(cdev);
struct hci_dev *hdev = dev_get_drvdata(dev);
char *ptr;
__u32 val;
@ -87,15 +87,15 @@ static ssize_t store_idle_timeout(struct class_device *cdev, const char *buf, si
return count;
}
static ssize_t show_sniff_max_interval(struct class_device *cdev, char *buf)
static ssize_t show_sniff_max_interval(struct device *dev, struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = class_get_devdata(cdev);
struct hci_dev *hdev = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", hdev->sniff_max_interval);
}
static ssize_t store_sniff_max_interval(struct class_device *cdev, const char *buf, size_t count)
static ssize_t store_sniff_max_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct hci_dev *hdev = class_get_devdata(cdev);
struct hci_dev *hdev = dev_get_drvdata(dev);
char *ptr;
__u16 val;
@ -114,15 +114,15 @@ static ssize_t store_sniff_max_interval(struct class_device *cdev, const char *b
return count;
}
static ssize_t show_sniff_min_interval(struct class_device *cdev, char *buf)
static ssize_t show_sniff_min_interval(struct device *dev, struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = class_get_devdata(cdev);
struct hci_dev *hdev = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", hdev->sniff_min_interval);
}
static ssize_t store_sniff_min_interval(struct class_device *cdev, const char *buf, size_t count)
static ssize_t store_sniff_min_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct hci_dev *hdev = class_get_devdata(cdev);
struct hci_dev *hdev = dev_get_drvdata(dev);
char *ptr;
__u16 val;
@ -141,64 +141,32 @@ static ssize_t store_sniff_min_interval(struct class_device *cdev, const char *b
return count;
}
static CLASS_DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
static CLASS_DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
static CLASS_DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
static CLASS_DEVICE_ATTR(flags, S_IRUGO, show_flags, NULL);
static CLASS_DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL);
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
static DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
static DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
static DEVICE_ATTR(flags, S_IRUGO, show_flags, NULL);
static DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL);
static CLASS_DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR,
static DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR,
show_idle_timeout, store_idle_timeout);
static CLASS_DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR,
static DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR,
show_sniff_max_interval, store_sniff_max_interval);
static CLASS_DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR,
static DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR,
show_sniff_min_interval, store_sniff_min_interval);
static struct class_device_attribute *bt_attrs[] = {
&class_device_attr_name,
&class_device_attr_type,
&class_device_attr_address,
&class_device_attr_flags,
&class_device_attr_inquiry_cache,
&class_device_attr_idle_timeout,
&class_device_attr_sniff_max_interval,
&class_device_attr_sniff_min_interval,
static struct device_attribute *bt_attrs[] = {
&dev_attr_name,
&dev_attr_type,
&dev_attr_address,
&dev_attr_flags,
&dev_attr_inquiry_cache,
&dev_attr_idle_timeout,
&dev_attr_sniff_max_interval,
&dev_attr_sniff_min_interval,
NULL
};
#ifdef CONFIG_HOTPLUG
static int bt_uevent(struct class_device *cdev, char **envp, int num_envp, char *buf, int size)
{
struct hci_dev *hdev = class_get_devdata(cdev);
int n, i = 0;
envp[i++] = buf;
n = snprintf(buf, size, "INTERFACE=%s", hdev->name) + 1;
buf += n;
size -= n;
if ((size <= 0) || (i >= num_envp))
return -ENOMEM;
envp[i] = NULL;
return 0;
}
#endif
static void bt_release(struct class_device *cdev)
{
struct hci_dev *hdev = class_get_devdata(cdev);
kfree(hdev);
}
struct class bt_class = {
.name = "bluetooth",
.release = bt_release,
#ifdef CONFIG_HOTPLUG
.uevent = bt_uevent,
#endif
};
struct class *bt_class = NULL;
EXPORT_SYMBOL_GPL(bt_class);
static struct bus_type bt_bus = {
@ -207,40 +175,50 @@ static struct bus_type bt_bus = {
static struct platform_device *bt_platform;
static void bt_release(struct device *dev)
{
struct hci_dev *hdev = dev_get_drvdata(dev);
kfree(hdev);
}
int hci_register_sysfs(struct hci_dev *hdev)
{
struct class_device *cdev = &hdev->class_dev;
struct device *dev = &hdev->dev;
unsigned int i;
int err;
BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
cdev->class = &bt_class;
class_set_devdata(cdev, hdev);
dev->class = bt_class;
if (!cdev->dev)
cdev->dev = &bt_platform->dev;
if (hdev->parent)
dev->parent = hdev->parent;
else
dev->parent = &bt_platform->dev;
hdev->dev = cdev->dev;
strlcpy(dev->bus_id, hdev->name, BUS_ID_SIZE);
strlcpy(cdev->class_id, hdev->name, BUS_ID_SIZE);
err = class_device_register(cdev);
dev->release = bt_release;
dev_set_drvdata(dev, hdev);
err = device_register(dev);
if (err < 0)
return err;
for (i = 0; bt_attrs[i]; i++)
class_device_create_file(cdev, bt_attrs[i]);
device_create_file(dev, bt_attrs[i]);
return 0;
}
void hci_unregister_sysfs(struct hci_dev *hdev)
{
struct class_device * cdev = &hdev->class_dev;
struct device *dev = &hdev->dev;
BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
class_device_del(cdev);
device_del(dev);
}
int __init bt_sysfs_init(void)
@ -257,11 +235,11 @@ int __init bt_sysfs_init(void)
return err;
}
err = class_register(&bt_class);
if (err < 0) {
bt_class = class_create(THIS_MODULE, "bluetooth");
if (IS_ERR(bt_class)) {
bus_unregister(&bt_bus);
platform_device_unregister(bt_platform);
return err;
return PTR_ERR(bt_class);
}
return 0;
@ -269,7 +247,7 @@ int __init bt_sysfs_init(void)
void __exit bt_sysfs_cleanup(void)
{
class_unregister(&bt_class);
class_destroy(bt_class);
bus_unregister(&bt_bus);

4
net/bluetooth/l2cap.c
View File

@ -2219,7 +2219,7 @@ static int __init l2cap_init(void)
goto error;
}
class_create_file(&bt_class, &class_attr_l2cap);
class_create_file(bt_class, &class_attr_l2cap);
BT_INFO("L2CAP ver %s", VERSION);
BT_INFO("L2CAP socket layer initialized");
@ -2233,7 +2233,7 @@ error:
static void __exit l2cap_exit(void)
{
class_remove_file(&bt_class, &class_attr_l2cap);
class_remove_file(bt_class, &class_attr_l2cap);
if (bt_sock_unregister(BTPROTO_L2CAP) < 0)
BT_ERR("L2CAP socket unregistration failed");

4
net/bluetooth/rfcomm/core.c
View File

@ -2035,7 +2035,7 @@ static int __init rfcomm_init(void)
kernel_thread(rfcomm_run, NULL, CLONE_KERNEL);
class_create_file(&bt_class, &class_attr_rfcomm_dlc);
class_create_file(bt_class, &class_attr_rfcomm_dlc);
rfcomm_init_sockets();
@ -2050,7 +2050,7 @@ static int __init rfcomm_init(void)
static void __exit rfcomm_exit(void)
{
class_remove_file(&bt_class, &class_attr_rfcomm_dlc);
class_remove_file(bt_class, &class_attr_rfcomm_dlc);
hci_unregister_cb(&rfcomm_cb);

4
net/bluetooth/rfcomm/sock.c
View File

@ -944,7 +944,7 @@ int __init rfcomm_init_sockets(void)
if (err < 0)
goto error;
class_create_file(&bt_class, &class_attr_rfcomm);
class_create_file(bt_class, &class_attr_rfcomm);
BT_INFO("RFCOMM socket layer initialized");
@ -958,7 +958,7 @@ error:
void __exit rfcomm_cleanup_sockets(void)
{
class_remove_file(&bt_class, &class_attr_rfcomm);
class_remove_file(bt_class, &class_attr_rfcomm);
if (bt_sock_unregister(BTPROTO_RFCOMM) < 0)
BT_ERR("RFCOMM socket layer unregistration failed");

4
net/bluetooth/sco.c
View File

@ -969,7 +969,7 @@ static int __init sco_init(void)
goto error;
}
class_create_file(&bt_class, &class_attr_sco);
class_create_file(bt_class, &class_attr_sco);
BT_INFO("SCO (Voice Link) ver %s", VERSION);
BT_INFO("SCO socket layer initialized");
@ -983,7 +983,7 @@ error:
static void __exit sco_exit(void)
{
class_remove_file(&bt_class, &class_attr_sco);
class_remove_file(bt_class, &class_attr_sco);
if (bt_sock_unregister(BTPROTO_SCO) < 0)
BT_ERR("SCO socket unregistration failed");