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Commit 72df1a80 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
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USB: convert the drivers/usb/class files to the new USB driver model.

parent f61fbc71
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Showing with 97 additions and 62 deletions
drivers/usb/class/audio.c
View file @ 72df1a80
......@@ -2740,9 +2740,9 @@ static /*const*/ struct file_operations usb_audio_fops = {
/* --------------------------------------------------------------------- */
static void * usb_audio_probe(struct usb_device *dev, unsigned int ifnum,
const struct usb_device_id *id);
static void usb_audio_disconnect(struct usb_device *dev, void *ptr);
static int usb_audio_probe(struct usb_interface *iface,
const struct usb_device_id *id);
static void usb_audio_disconnect(struct usb_interface *iface);
static struct usb_device_id usb_audio_ids [] = {
{ .match_flags = (USB_DEVICE_ID_MATCH_INT_CLASS | USB_DEVICE_ID_MATCH_INT_SUBCLASS),
......@@ -2756,7 +2756,6 @@ static struct usb_driver usb_audio_driver = {
.name = "audio",
.probe = usb_audio_probe,
.disconnect = usb_audio_disconnect,
.driver_list = LIST_HEAD_INIT(usb_audio_driver.driver_list),
.id_table = usb_audio_ids,
};
......@@ -3643,7 +3642,7 @@ static void usb_audio_constructmixer(struct usb_audio_state *s, unsigned char *b
list_add_tail(&ms->list, &s->mixerlist);
}
static void *usb_audio_parsecontrol(struct usb_device *dev, unsigned char *buffer, unsigned int buflen, unsigned int ctrlif)
static struct usb_audio_state *usb_audio_parsecontrol(struct usb_device *dev, unsigned char *buffer, unsigned int buflen, unsigned int ctrlif)
{
struct usb_audio_state *s;
struct usb_config_descriptor *config = dev->actconfig;
......@@ -3766,10 +3765,12 @@ static void *usb_audio_parsecontrol(struct usb_device *dev, unsigned char *buffe
/* we only care for the currently active configuration */
static void *usb_audio_probe(struct usb_device *dev, unsigned int ifnum,
const struct usb_device_id *id)
static int usb_audio_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *dev = interface_to_usbdev (intf);
struct usb_config_descriptor *config = dev->actconfig;
struct usb_audio_state *s;
unsigned char *buffer;
unsigned char buf[8];
unsigned int i, buflen;
......@@ -3789,39 +3790,47 @@ static void *usb_audio_probe(struct usb_device *dev, unsigned int ifnum,
if (usb_set_configuration(dev, config->bConfigurationValue) < 0) {
printk(KERN_ERR "usbaudio: set_configuration failed (ConfigValue 0x%x)\n", config->bConfigurationValue);
return NULL;
return -EIO;
}
ret = usb_get_descriptor(dev, USB_DT_CONFIG, i, buf, 8);
if (ret < 0) {
printk(KERN_ERR "usbaudio: cannot get first 8 bytes of config descriptor %d of device %d (error %d)\n", i, dev->devnum, ret);
return NULL;
return -EIO;
}
if (buf[1] != USB_DT_CONFIG || buf[0] < 9) {
printk(KERN_ERR "usbaudio: invalid config descriptor %d of device %d\n", i, dev->devnum);
return NULL;
return -EIO;
}
buflen = buf[2] | (buf[3] << 8);
if (!(buffer = kmalloc(buflen, GFP_KERNEL)))
return NULL;
return -ENOMEM;
ret = usb_get_descriptor(dev, USB_DT_CONFIG, i, buffer, buflen);
if (ret < 0) {
kfree(buffer);
printk(KERN_ERR "usbaudio: cannot get config descriptor %d of device %d (error %d)\n", i, dev->devnum, ret);
return NULL;
return -EIO;
}
s = usb_audio_parsecontrol(dev, buffer, buflen, intf->altsetting->bInterfaceNumber);
if (s) {
dev_set_drvdata (&intf->dev, s);
return 0;
}
return usb_audio_parsecontrol(dev, buffer, buflen, ifnum);
return -ENODEV;
}
/* a revoke facility would make things simpler */
static void usb_audio_disconnect(struct usb_device *dev, void *ptr)
static void usb_audio_disconnect(struct usb_interface *intf)
{
struct usb_audio_state *s = (struct usb_audio_state *)ptr;
struct usb_audio_state *s = dev_get_drvdata (&intf->dev);
struct list_head *list;
struct usb_audiodev *as;
struct usb_mixerdev *ms;
if (!s)
return;
/* we get called with -1 for every audiostreaming interface registered */
if (s == (struct usb_audio_state *)-1) {
dprintk((KERN_DEBUG "usbaudio: note, usb_audio_disconnect called with -1\n"));
......@@ -3835,6 +3844,8 @@ static void usb_audio_disconnect(struct usb_device *dev, void *ptr)
list_del(&s->audiodev);
INIT_LIST_HEAD(&s->audiodev);
s->usbdev = NULL;
dev_set_drvdata (&intf->dev, NULL);
/* deregister all audio and mixer devices, so no new processes can open this device */
for(list = s->audiolist.next; list != &s->audiolist; list = list->next) {
as = list_entry(list, struct usb_audiodev, list);
......
drivers/usb/class/bluetty.c
View file @ 72df1a80
......@@ -221,9 +221,9 @@ static void bluetooth_ctrl_callback (struct urb *urb);
static void bluetooth_read_bulk_callback (struct urb *urb);
static void bluetooth_write_bulk_callback (struct urb *urb);
static void * usb_bluetooth_probe(struct usb_device *dev, unsigned int ifnum,
const struct usb_device_id *id);
static void usb_bluetooth_disconnect (struct usb_device *dev, void *ptr);
static int usb_bluetooth_probe (struct usb_interface *intf,
const struct usb_device_id *id);
static void usb_bluetooth_disconnect (struct usb_interface *intf);
static struct usb_device_id usb_bluetooth_ids [] = {
......@@ -1033,9 +1033,10 @@ static void bluetooth_softint(void *private)
}
static void * usb_bluetooth_probe(struct usb_device *dev, unsigned int ifnum,
const struct usb_device_id *id)
static int usb_bluetooth_probe (struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *dev = interface_to_usbdev (intf);
struct usb_bluetooth *bluetooth = NULL;
struct usb_interface_descriptor *interface;
struct usb_endpoint_descriptor *endpoint;
......@@ -1051,7 +1052,7 @@ static void * usb_bluetooth_probe(struct usb_device *dev, unsigned int ifnum,
int num_bulk_in = 0;
int num_bulk_out = 0;
interface = &dev->actconfig->interface[ifnum].altsetting[0];
interface = &intf->altsetting[0];
control_out_endpoint = interface->bInterfaceNumber;
/* find the endpoints that we need */
......@@ -1088,7 +1089,7 @@ static void * usb_bluetooth_probe(struct usb_device *dev, unsigned int ifnum,
(num_bulk_out != 1) ||
(num_interrupt_in != 1)) {
dbg ("%s - improper number of endpoints. Bluetooth driver not bound.", __FUNCTION__);
return NULL;
return -EIO;
}
MOD_INC_USE_COUNT;
......@@ -1099,13 +1100,13 @@ static void * usb_bluetooth_probe(struct usb_device *dev, unsigned int ifnum,
if (bluetooth_table[minor]) {
err("No more free Bluetooth devices");
MOD_DEC_USE_COUNT;
return NULL;
return -ENODEV;
}
if (!(bluetooth = kmalloc(sizeof(struct usb_bluetooth), GFP_KERNEL))) {
err("Out of memory");
MOD_DEC_USE_COUNT;
return NULL;
return -ENOMEM;
}
memset(bluetooth, 0, sizeof(struct usb_bluetooth));
......@@ -1191,7 +1192,9 @@ static void * usb_bluetooth_probe(struct usb_device *dev, unsigned int ifnum,
bluetooth_table[minor] = bluetooth;
return bluetooth; /* success */
/* success */
dev_set_drvdata (&intf->dev, bluetooth);
return 0;
probe_error:
if (bluetooth->read_urb)
......@@ -1220,15 +1223,16 @@ static void * usb_bluetooth_probe(struct usb_device *dev, unsigned int ifnum,
/* free up any memory that we allocated */
kfree (bluetooth);
MOD_DEC_USE_COUNT;
return NULL;
return -EIO;
}
static void usb_bluetooth_disconnect(struct usb_device *dev, void *ptr)
static void usb_bluetooth_disconnect(struct usb_interface *intf)
{
struct usb_bluetooth *bluetooth = (struct usb_bluetooth *) ptr;
struct usb_bluetooth *bluetooth = dev_get_drvdata (&intf->dev);
int i;
dev_set_drvdata (&intf->dev, NULL);
if (bluetooth) {
if ((bluetooth->open_count) && (bluetooth->tty))
tty_hangup(bluetooth->tty);
......@@ -1274,7 +1278,6 @@ static void usb_bluetooth_disconnect(struct usb_device *dev, void *ptr)
/* free up any memory that we allocated */
kfree (bluetooth);
} else {
info("device disconnected");
}
......
drivers/usb/class/cdc-acm.c
View file @ 72df1a80
......@@ -507,9 +507,10 @@ static void acm_tty_set_termios(struct tty_struct *tty, struct termios *termios_
* USB probe and disconnect routines.
*/
static void *acm_probe(struct usb_device *dev, unsigned int ifnum,
const struct usb_device_id *id)
static int acm_probe (struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *dev;
struct acm *acm;
struct usb_config_descriptor *cfacm;
struct usb_interface_descriptor *ifcom, *ifdata;
......@@ -517,6 +518,7 @@ static void *acm_probe(struct usb_device *dev, unsigned int ifnum,
int readsize, ctrlsize, minor, i;
unsigned char *buf;
dev = interface_to_usbdev (intf);
for (i = 0; i < dev->descriptor.bNumConfigurations; i++) {
cfacm = dev->config + i;
......@@ -561,12 +563,12 @@ static void *acm_probe(struct usb_device *dev, unsigned int ifnum,
for (minor = 0; minor < ACM_TTY_MINORS && acm_table[minor]; minor++);
if (acm_table[minor]) {
err("no more free acm devices");
return NULL;
return -ENODEV;
}
if (!(acm = kmalloc(sizeof(struct acm), GFP_KERNEL))) {
err("out of memory");
return NULL;
return -ENOMEM;
}
memset(acm, 0, sizeof(struct acm));
......@@ -583,21 +585,21 @@ static void *acm_probe(struct usb_device *dev, unsigned int ifnum,
if (!(buf = kmalloc(ctrlsize + readsize + acm->writesize, GFP_KERNEL))) {
err("out of memory");
kfree(acm);
return NULL;
return -ENOMEM;
}
acm->ctrlurb = usb_alloc_urb(0, GFP_KERNEL);
if (!acm->ctrlurb) {
err("out of memory");
kfree(acm);
return NULL;
return -ENOMEM;
}
acm->readurb = usb_alloc_urb(0, GFP_KERNEL);
if (!acm->readurb) {
err("out of memory");
usb_free_urb(acm->ctrlurb);
kfree(acm);
return NULL;
return -ENOMEM;
}
acm->writeurb = usb_alloc_urb(0, GFP_KERNEL);
if (!acm->writeurb) {
......@@ -605,7 +607,7 @@ static void *acm_probe(struct usb_device *dev, unsigned int ifnum,
usb_free_urb(acm->readurb);
usb_free_urb(acm->ctrlurb);
kfree(acm);
return NULL;
return -ENOMEM;
}
usb_fill_int_urb(acm->ctrlurb, dev, usb_rcvintpipe(dev, epctrl->bEndpointAddress),
......@@ -631,15 +633,18 @@ static void *acm_probe(struct usb_device *dev, unsigned int ifnum,
usb_driver_claim_interface(&acm_driver, acm->iface + 1, acm);
tty_register_devfs(&acm_tty_driver, 0, minor);
return acm_table[minor] = acm;
acm_table[minor] = acm;
dev_set_drvdata (&intf->dev, acm);
return 0;
}
return NULL;
return -EIO;
}
static void acm_disconnect(struct usb_device *dev, void *ptr)
static void acm_disconnect(struct usb_interface *intf)
{
struct acm *acm = ptr;
struct acm *acm = dev_get_drvdata (&intf->dev);
if (!acm || !acm->dev) {
dbg("disconnect on nonexisting interface");
......@@ -647,6 +652,7 @@ static void acm_disconnect(struct usb_device *dev, void *ptr)
}
acm->dev = NULL;
dev_set_drvdata (&intf->dev, NULL);
usb_unlink_urb(acm->ctrlurb);
usb_unlink_urb(acm->readurb);
......
drivers/usb/class/usb-midi.c
View file @ 72df1a80
......@@ -2020,13 +2020,16 @@ static int detect_by_hand(struct usb_device *d, unsigned int ifnum, struct usb_m
/* ------------------------------------------------------------------------- */
static void *usb_midi_probe(struct usb_device *dev, unsigned int ifnum,
const struct usb_device_id *id)
static int usb_midi_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_midi_state *s;
struct usb_device *dev = interface_to_usbdev(intf);
int ifnum = intf->altsetting->bInterfaceNumber;
s = (struct usb_midi_state *)kmalloc(sizeof(struct usb_midi_state), GFP_KERNEL);
if ( !s ) { return NULL; }
if ( !s )
return -ENOMEM;
memset( s, 0, sizeof(struct usb_midi_state) );
INIT_LIST_HEAD(&s->midiDevList);
......@@ -2042,7 +2045,7 @@ static void *usb_midi_probe(struct usb_device *dev, unsigned int ifnum,
detect_vendor_specific_device( dev, ifnum, s ) &&
detect_yamaha_device( dev, ifnum, s) ) {
kfree(s);
return NULL;
return -EIO;
}
down(&open_sem);
......@@ -2053,16 +2056,20 @@ static void *usb_midi_probe(struct usb_device *dev, unsigned int ifnum,
MOD_INC_USE_COUNT;
#endif
return s;
dev_set_drvdata (&intf->dev, s);
return 0;
}
static void usb_midi_disconnect(struct usb_device *dev, void *ptr)
static void usb_midi_disconnect(struct usb_interface *intf)
{
struct usb_midi_state *s = (struct usb_midi_state *)ptr;
struct usb_midi_state *s = dev_get_drvdata (&intf->dev);
struct list_head *list;
struct usb_mididev *m;
if ( !s )
return;
if ( s == (struct usb_midi_state *)-1 ) {
return;
}
......@@ -2073,6 +2080,7 @@ static void usb_midi_disconnect(struct usb_device *dev, void *ptr)
list_del(&s->mididev);
INIT_LIST_HEAD(&s->mididev);
s->usbdev = NULL;
dev_set_drvdata (&intf->dev, NULL);
for ( list = s->midiDevList.next; list != &s->midiDevList; list = list->next ) {
m = list_entry(list, struct usb_mididev, list);
......@@ -2092,14 +2100,17 @@ static void usb_midi_disconnect(struct usb_device *dev, void *ptr)
return;
}
/* we want to look at all devices by hand */
static struct usb_device_id id_table[] = {
{.driver_info = 42},
{}
};
static struct usb_driver usb_midi_driver = {
.name = "midi",
.probe = usb_midi_probe,
.disconnect = usb_midi_disconnect,
.id_table = NULL, /* check all devices */
.driver_list = LIST_HEAD_INIT(usb_midi_driver.driver_list)
.name = "midi",
.probe = usb_midi_probe,
.disconnect = usb_midi_disconnect,
.id_table = id_table,
};
/* ------------------------------------------------------------------------- */
......
drivers/usb/class/usblp.c
View file @ 72df1a80
......@@ -795,9 +795,10 @@ static struct file_operations usblp_fops = {
.release = usblp_release,
};
static void *usblp_probe(struct usb_device *dev, unsigned int ifnum,
const struct usb_device_id *id)
static int usblp_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *dev = interface_to_usbdev (intf);
struct usblp *usblp = 0;
int protocol;
int retval;
......@@ -813,7 +814,7 @@ static void *usblp_probe(struct usb_device *dev, unsigned int ifnum,
usblp->dev = dev;
init_MUTEX (&usblp->sem);
init_waitqueue_head(&usblp->wait);
usblp->ifnum = ifnum;
usblp->ifnum = intf->altsetting->bInterfaceNumber;
retval = usb_register_dev(&usblp_fops, USBLP_MINOR_BASE, 1, &usblp->minor);
if (retval) {
......@@ -886,12 +887,14 @@ static void *usblp_probe(struct usb_device *dev, unsigned int ifnum,
info("usblp%d: USB %sdirectional printer dev %d "
"if %d alt %d proto %d vid 0x%4.4X pid 0x%4.4X",
usblp->minor, usblp->bidir ? "Bi" : "Uni", dev->devnum, ifnum,
usblp->minor, usblp->bidir ? "Bi" : "Uni", dev->devnum,
usblp->ifnum,
usblp->protocol[usblp->current_protocol].alt_setting,
usblp->current_protocol, usblp->dev->descriptor.idVendor,
usblp->dev->descriptor.idProduct);
return usblp;
dev_set_drvdata (&intf->dev, usblp);
return 0;
abort_minor:
usb_deregister_dev (1, usblp->minor);
......@@ -903,7 +906,7 @@ static void *usblp_probe(struct usb_device *dev, unsigned int ifnum,
if (usblp->device_id_string) kfree(usblp->device_id_string);
kfree(usblp);
}
return NULL;
return -EIO;
}
/*
......@@ -1065,9 +1068,9 @@ static int usblp_cache_device_id_string(struct usblp *usblp)
return length;
}
static void usblp_disconnect(struct usb_device *dev, void *ptr)
static void usblp_disconnect(struct usb_interface *intf)
{
struct usblp *usblp = ptr;
struct usblp *usblp = dev_get_drvdata (&intf->dev);
if (!usblp || !usblp->dev) {
err("bogus disconnect");
......@@ -1077,6 +1080,7 @@ static void usblp_disconnect(struct usb_device *dev, void *ptr)
down (&usblp->sem);
lock_kernel();
usblp->dev = NULL;
dev_set_drvdata (&intf->dev, NULL);
usblp_unlink_urbs(usblp);
......
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