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[Bluetooth] Code cleanup of the drivers source code

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This patch is an attempt to cleanup the drivers source code to make all
Bluetooth drivers look more unique.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann
2006-07-06 15:45:23 +02:00
committed by David S. Miller
parent 0a85b964e1
commit 9c724357f4
2 changed files with 208 additions and 205 deletions
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97
drivers/bluetooth/hci_vhci.c
View File

@@ -2,9 +2,9 @@
*
* Bluetooth virtual HCI driver
*
* Copyright (C) 2000-2001 Qualcomm Incorporated
* Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
* Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org>
* Copyright (C) 2000-2001 Qualcomm Incorporated
* Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
* Copyright (C) 2004-2006 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
@@ -72,21 +72,21 @@ static int vhci_open_dev(struct hci_dev *hdev)
static int vhci_close_dev(struct hci_dev *hdev)
{
struct vhci_data *vhci = hdev->driver_data;
struct vhci_data *data = hdev->driver_data;
if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
return 0;
skb_queue_purge(&vhci->readq);
skb_queue_purge(&data->readq);
return 0;
}
static int vhci_flush(struct hci_dev *hdev)
{
struct vhci_data *vhci = hdev->driver_data;
struct vhci_data *data = hdev->driver_data;
skb_queue_purge(&vhci->readq);
skb_queue_purge(&data->readq);
return 0;
}
@@ -94,7 +94,7 @@ static int vhci_flush(struct hci_dev *hdev)
static int vhci_send_frame(struct sk_buff *skb)
{
struct hci_dev* hdev = (struct hci_dev *) skb->dev;
struct vhci_data *vhci;
struct vhci_data *data;
if (!hdev) {
BT_ERR("Frame for unknown HCI device (hdev=NULL)");
@@ -104,15 +104,15 @@ static int vhci_send_frame(struct sk_buff *skb)
if (!test_bit(HCI_RUNNING, &hdev->flags))
return -EBUSY;
vhci = hdev->driver_data;
data = hdev->driver_data;
memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
skb_queue_tail(&vhci->readq, skb);
skb_queue_tail(&data->readq, skb);
if (vhci->flags & VHCI_FASYNC)
kill_fasync(&vhci->fasync, SIGIO, POLL_IN);
if (data->flags & VHCI_FASYNC)
kill_fasync(&data->fasync, SIGIO, POLL_IN);
wake_up_interruptible(&vhci->read_wait);
wake_up_interruptible(&data->read_wait);
return 0;
}
@@ -122,7 +122,7 @@ static void vhci_destruct(struct hci_dev *hdev)
kfree(hdev->driver_data);
}
static inline ssize_t vhci_get_user(struct vhci_data *vhci,
static inline ssize_t vhci_get_user(struct vhci_data *data,
const char __user *buf, size_t count)
{
struct sk_buff *skb;
@@ -139,7 +139,7 @@ static inline ssize_t vhci_get_user(struct vhci_data *vhci,
return -EFAULT;
}
skb->dev = (void *) vhci->hdev;
skb->dev = (void *) data->hdev;
bt_cb(skb)->pkt_type = *((__u8 *) skb->data);
skb_pull(skb, 1);
@@ -148,7 +148,7 @@ static inline ssize_t vhci_get_user(struct vhci_data *vhci,
return count;
}
static inline ssize_t vhci_put_user(struct vhci_data *vhci,
static inline ssize_t vhci_put_user(struct vhci_data *data,
struct sk_buff *skb, char __user *buf, int count)
{
char __user *ptr = buf;
@@ -161,42 +161,43 @@ static inline ssize_t vhci_put_user(struct vhci_data *vhci,
total += len;
vhci->hdev->stat.byte_tx += len;
data->hdev->stat.byte_tx += len;
switch (bt_cb(skb)->pkt_type) {
case HCI_COMMAND_PKT:
vhci->hdev->stat.cmd_tx++;
data->hdev->stat.cmd_tx++;
break;
case HCI_ACLDATA_PKT:
vhci->hdev->stat.acl_tx++;
data->hdev->stat.acl_tx++;
break;
case HCI_SCODATA_PKT:
vhci->hdev->stat.cmd_tx++;
data->hdev->stat.cmd_tx++;
break;
};
return total;
}
static loff_t vhci_llseek(struct file * file, loff_t offset, int origin)
static loff_t vhci_llseek(struct file *file, loff_t offset, int origin)
{
return -ESPIPE;
}
static ssize_t vhci_read(struct file * file, char __user * buf, size_t count, loff_t *pos)
static ssize_t vhci_read(struct file *file,
char __user *buf, size_t count, loff_t *pos)
{
DECLARE_WAITQUEUE(wait, current);
struct vhci_data *vhci = file->private_data;
struct vhci_data *data = file->private_data;
struct sk_buff *skb;
ssize_t ret = 0;
add_wait_queue(&vhci->read_wait, &wait);
add_wait_queue(&data->read_wait, &wait);
while (count) {
set_current_state(TASK_INTERRUPTIBLE);
skb = skb_dequeue(&vhci->readq);
skb = skb_dequeue(&data->readq);
if (!skb) {
if (file->f_flags & O_NONBLOCK) {
ret = -EAGAIN;
@@ -213,7 +214,7 @@ static ssize_t vhci_read(struct file * file, char __user * buf, size_t count, lo
}
if (access_ok(VERIFY_WRITE, buf, count))
ret = vhci_put_user(vhci, skb, buf, count);
ret = vhci_put_user(data, skb, buf, count);
else
ret = -EFAULT;
@@ -221,7 +222,7 @@ static ssize_t vhci_read(struct file * file, char __user * buf, size_t count, lo
break;
}
set_current_state(TASK_RUNNING);
remove_wait_queue(&vhci->read_wait, &wait);
remove_wait_queue(&data->read_wait, &wait);
return ret;
}
@@ -229,21 +230,21 @@ static ssize_t vhci_read(struct file * file, char __user * buf, size_t count, lo
static ssize_t vhci_write(struct file *file,
const char __user *buf, size_t count, loff_t *pos)
{
struct vhci_data *vhci = file->private_data;
struct vhci_data *data = file->private_data;
if (!access_ok(VERIFY_READ, buf, count))
return -EFAULT;
return vhci_get_user(vhci, buf, count);
return vhci_get_user(data, buf, count);
}
static unsigned int vhci_poll(struct file *file, poll_table *wait)
{
struct vhci_data *vhci = file->private_data;
struct vhci_data *data = file->private_data;
poll_wait(file, &vhci->read_wait, wait);
poll_wait(file, &data->read_wait, wait);
if (!skb_queue_empty(&vhci->readq))
if (!skb_queue_empty(&data->readq))
return POLLIN | POLLRDNORM;
return POLLOUT | POLLWRNORM;
@@ -257,26 +258,26 @@ static int vhci_ioctl(struct inode *inode, struct file *file,
static int vhci_open(struct inode *inode, struct file *file)
{
struct vhci_data *vhci;
struct vhci_data *data;
struct hci_dev *hdev;
vhci = kzalloc(sizeof(struct vhci_data), GFP_KERNEL);
if (!vhci)
data = kzalloc(sizeof(struct vhci_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
skb_queue_head_init(&vhci->readq);
init_waitqueue_head(&vhci->read_wait);
skb_queue_head_init(&data->readq);
init_waitqueue_head(&data->read_wait);
hdev = hci_alloc_dev();
if (!hdev) {
kfree(vhci);
kfree(data);
return -ENOMEM;
}
vhci->hdev = hdev;
data->hdev = hdev;
hdev->type = HCI_VHCI;
hdev->driver_data = vhci;
hdev->driver_data = data;
hdev->open = vhci_open_dev;
hdev->close = vhci_close_dev;
@@ -288,20 +289,20 @@ static int vhci_open(struct inode *inode, struct file *file)
if (hci_register_dev(hdev) < 0) {
BT_ERR("Can't register HCI device");
kfree(vhci);
kfree(data);
hci_free_dev(hdev);
return -EBUSY;
}
file->private_data = vhci;
file->private_data = data;
return nonseekable_open(inode, file);
}
static int vhci_release(struct inode *inode, struct file *file)
{
struct vhci_data *vhci = file->private_data;
struct hci_dev *hdev = vhci->hdev;
struct vhci_data *data = file->private_data;
struct hci_dev *hdev = data->hdev;
if (hci_unregister_dev(hdev) < 0) {
BT_ERR("Can't unregister HCI device %s", hdev->name);
@@ -316,17 +317,17 @@ static int vhci_release(struct inode *inode, struct file *file)
static int vhci_fasync(int fd, struct file *file, int on)
{
struct vhci_data *vhci = file->private_data;
struct vhci_data *data = file->private_data;
int err;
err = fasync_helper(fd, file, on, &vhci->fasync);
err = fasync_helper(fd, file, on, &data->fasync);
if (err < 0)
return err;
if (on)
vhci->flags |= VHCI_FASYNC;
data->flags |= VHCI_FASYNC;
else
vhci->flags &= ~VHCI_FASYNC;
data->flags &= ~VHCI_FASYNC;
return 0;
}