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path: root/drivers/message/i2o/device.c
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Diffstat (limited to 'drivers/message/i2o/device.c')
-rw-r--r--drivers/message/i2o/device.c144
1 files changed, 61 insertions, 83 deletions
diff --git a/drivers/message/i2o/device.c b/drivers/message/i2o/device.c
index 1db2621..a5e260b 100644
--- a/drivers/message/i2o/device.c
+++ b/drivers/message/i2o/device.c
@@ -142,8 +142,9 @@ static void i2o_device_release(struct device *dev)
/**
- * i2o_device_class_show_class_id - Displays class id of I2O device
- * @cd: class device of which the class id should be displayed
+ * i2o_device_show_class_id - Displays class id of I2O device
+ * @dev: device of which the class id should be displayed
+ * @attr: pointer to device attribute
* @buf: buffer into which the class id should be printed
*
* Returns the number of bytes which are printed into the buffer.
@@ -159,15 +160,15 @@ static ssize_t i2o_device_show_class_id(struct device *dev,
}
/**
- * i2o_device_class_show_tid - Displays TID of I2O device
- * @cd: class device of which the TID should be displayed
- * @buf: buffer into which the class id should be printed
+ * i2o_device_show_tid - Displays TID of I2O device
+ * @dev: device of which the TID should be displayed
+ * @attr: pointer to device attribute
+ * @buf: buffer into which the TID should be printed
*
* Returns the number of bytes which are printed into the buffer.
*/
static ssize_t i2o_device_show_tid(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+ struct device_attribute *attr, char *buf)
{
struct i2o_device *i2o_dev = to_i2o_device(dev);
@@ -209,66 +210,6 @@ static struct i2o_device *i2o_device_alloc(void)
}
/**
- * i2o_setup_sysfs_links - Adds attributes to the I2O device
- * @cd: I2O class device which is added to the I2O device class
- *
- * This function get called when a I2O device is added to the class. It
- * creates the attributes for each device and creates user/parent symlink
- * if necessary.
- *
- * Returns 0 on success or negative error code on failure.
- */
-static void i2o_setup_sysfs_links(struct i2o_device *i2o_dev)
-{
- struct i2o_controller *c = i2o_dev->iop;
- struct i2o_device *tmp;
-
- /* create user entries for this device */
- tmp = i2o_iop_find_device(i2o_dev->iop, i2o_dev->lct_data.user_tid);
- if (tmp && tmp != i2o_dev)
- sysfs_create_link(&i2o_dev->device.kobj,
- &tmp->device.kobj, "user");
-
- /* create user entries refering to this device */
- list_for_each_entry(tmp, &c->devices, list)
- if (tmp->lct_data.user_tid == i2o_dev->lct_data.tid &&
- tmp != i2o_dev)
- sysfs_create_link(&tmp->device.kobj,
- &i2o_dev->device.kobj, "user");
-
- /* create parent entries for this device */
- tmp = i2o_iop_find_device(i2o_dev->iop, i2o_dev->lct_data.parent_tid);
- if (tmp && tmp != i2o_dev)
- sysfs_create_link(&i2o_dev->device.kobj,
- &tmp->device.kobj, "parent");
-
- /* create parent entries refering to this device */
- list_for_each_entry(tmp, &c->devices, list)
- if (tmp->lct_data.parent_tid == i2o_dev->lct_data.tid &&
- tmp != i2o_dev)
- sysfs_create_link(&tmp->device.kobj,
- &i2o_dev->device.kobj, "parent");
-}
-
-static void i2o_remove_sysfs_links(struct i2o_device *i2o_dev)
-{
- struct i2o_controller *c = i2o_dev->iop;
- struct i2o_device *tmp;
-
- sysfs_remove_link(&i2o_dev->device.kobj, "parent");
- sysfs_remove_link(&i2o_dev->device.kobj, "user");
-
- list_for_each_entry(tmp, &c->devices, list) {
- if (tmp->lct_data.parent_tid == i2o_dev->lct_data.tid)
- sysfs_remove_link(&tmp->device.kobj, "parent");
- if (tmp->lct_data.user_tid == i2o_dev->lct_data.tid)
- sysfs_remove_link(&tmp->device.kobj, "user");
- }
-}
-
-
-
-/**
* i2o_device_add - allocate a new I2O device and add it to the IOP
* @iop: I2O controller where the device is on
* @entry: LCT entry of the I2O device
@@ -282,33 +223,57 @@ static void i2o_remove_sysfs_links(struct i2o_device *i2o_dev)
static struct i2o_device *i2o_device_add(struct i2o_controller *c,
i2o_lct_entry * entry)
{
- struct i2o_device *dev;
+ struct i2o_device *i2o_dev, *tmp;
- dev = i2o_device_alloc();
- if (IS_ERR(dev)) {
+ i2o_dev = i2o_device_alloc();
+ if (IS_ERR(i2o_dev)) {
printk(KERN_ERR "i2o: unable to allocate i2o device\n");
- return dev;
+ return i2o_dev;
}
- dev->lct_data = *entry;
- dev->iop = c;
+ i2o_dev->lct_data = *entry;
- snprintf(dev->device.bus_id, BUS_ID_SIZE, "%d:%03x", c->unit,
- dev->lct_data.tid);
+ snprintf(i2o_dev->device.bus_id, BUS_ID_SIZE, "%d:%03x", c->unit,
+ i2o_dev->lct_data.tid);
- dev->device.parent = &c->device;
+ i2o_dev->iop = c;
+ i2o_dev->device.parent = &c->device;
- device_register(&dev->device);
+ device_register(&i2o_dev->device);
- list_add_tail(&dev->list, &c->devices);
+ list_add_tail(&i2o_dev->list, &c->devices);
- i2o_setup_sysfs_links(dev);
+ /* create user entries for this device */
+ tmp = i2o_iop_find_device(i2o_dev->iop, i2o_dev->lct_data.user_tid);
+ if (tmp && (tmp != i2o_dev))
+ sysfs_create_link(&i2o_dev->device.kobj, &tmp->device.kobj,
+ "user");
- i2o_driver_notify_device_add_all(dev);
+ /* create user entries refering to this device */
+ list_for_each_entry(tmp, &c->devices, list)
+ if ((tmp->lct_data.user_tid == i2o_dev->lct_data.tid)
+ && (tmp != i2o_dev))
+ sysfs_create_link(&tmp->device.kobj,
+ &i2o_dev->device.kobj, "user");
- pr_debug("i2o: device %s added\n", dev->device.bus_id);
+ /* create parent entries for this device */
+ tmp = i2o_iop_find_device(i2o_dev->iop, i2o_dev->lct_data.parent_tid);
+ if (tmp && (tmp != i2o_dev))
+ sysfs_create_link(&i2o_dev->device.kobj, &tmp->device.kobj,
+ "parent");
- return dev;
+ /* create parent entries refering to this device */
+ list_for_each_entry(tmp, &c->devices, list)
+ if ((tmp->lct_data.parent_tid == i2o_dev->lct_data.tid)
+ && (tmp != i2o_dev))
+ sysfs_create_link(&tmp->device.kobj,
+ &i2o_dev->device.kobj, "parent");
+
+ i2o_driver_notify_device_add_all(i2o_dev);
+
+ pr_debug("i2o: device %s added\n", i2o_dev->device.bus_id);
+
+ return i2o_dev;
}
/**
@@ -321,9 +286,22 @@ static struct i2o_device *i2o_device_add(struct i2o_controller *c,
*/
void i2o_device_remove(struct i2o_device *i2o_dev)
{
+ struct i2o_device *tmp;
+ struct i2o_controller *c = i2o_dev->iop;
+
i2o_driver_notify_device_remove_all(i2o_dev);
- i2o_remove_sysfs_links(i2o_dev);
+
+ sysfs_remove_link(&i2o_dev->device.kobj, "parent");
+ sysfs_remove_link(&i2o_dev->device.kobj, "user");
+
+ list_for_each_entry(tmp, &c->devices, list) {
+ if (tmp->lct_data.parent_tid == i2o_dev->lct_data.tid)
+ sysfs_remove_link(&tmp->device.kobj, "parent");
+ if (tmp->lct_data.user_tid == i2o_dev->lct_data.tid)
+ sysfs_remove_link(&tmp->device.kobj, "user");
+ }
list_del(&i2o_dev->list);
+
device_unregister(&i2o_dev->device);
}
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