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linux
linux-davinci
Commits
bd009496
Commit
bd009496
authored
Jun 20, 2006
by
Greg Kroah-Hartman
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[PATCH] USB: convert usb class devices to real devices
Signed-off-by:
Greg Kroah-Hartman
<
gregkh@suse.de
>
parent
c182274f
Changes
2
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2 changed files
with
9 additions
and
9 deletions
+9
-9
drivers/usb/core/file.c
drivers/usb/core/file.c
+6
-7
include/linux/usb.h
include/linux/usb.h
+3
-2
No files found.
drivers/usb/core/file.c
View file @
bd009496
...
...
@@ -158,14 +158,13 @@ int usb_register_dev(struct usb_interface *intf,
++
temp
;
else
temp
=
name
;
intf
->
class_dev
=
class_device_create
(
usb_class
,
NULL
,
MKDEV
(
USB_MAJOR
,
minor
),
&
intf
->
dev
,
"%s"
,
temp
);
if
(
IS_ERR
(
intf
->
class_dev
))
{
intf
->
usb_dev
=
device_create
(
usb_class
,
&
intf
->
dev
,
MKDEV
(
USB_MAJOR
,
minor
),
"%s"
,
temp
);
if
(
IS_ERR
(
intf
->
usb_dev
))
{
spin_lock
(
&
minor_lock
);
usb_minors
[
intf
->
minor
]
=
NULL
;
spin_unlock
(
&
minor_lock
);
retval
=
PTR_ERR
(
intf
->
class
_dev
);
retval
=
PTR_ERR
(
intf
->
usb
_dev
);
}
exit:
return
retval
;
...
...
@@ -206,8 +205,8 @@ void usb_deregister_dev(struct usb_interface *intf,
spin_unlock
(
&
minor_lock
);
snprintf
(
name
,
BUS_ID_SIZE
,
class_driver
->
name
,
intf
->
minor
-
minor_base
);
class_
device_destroy
(
usb_class
,
MKDEV
(
USB_MAJOR
,
intf
->
minor
));
intf
->
class
_dev
=
NULL
;
device_destroy
(
usb_class
,
MKDEV
(
USB_MAJOR
,
intf
->
minor
));
intf
->
usb
_dev
=
NULL
;
intf
->
minor
=
-
1
;
}
EXPORT_SYMBOL
(
usb_deregister_dev
);
...
...
include/linux/usb.h
View file @
bd009496
...
...
@@ -103,7 +103,8 @@ enum usb_interface_condition {
* @condition: binding state of the interface: not bound, binding
* (in probe()), bound to a driver, or unbinding (in disconnect())
* @dev: driver model's view of this device
* @class_dev: driver model's class view of this device.
* @usb_dev: if an interface is bound to the USB major, this will point
* to the sysfs representation for that device.
*
* USB device drivers attach to interfaces on a physical device. Each
* interface encapsulates a single high level function, such as feeding
...
...
@@ -143,7 +144,7 @@ struct usb_interface {
* bound to */
enum
usb_interface_condition
condition
;
/* state of binding */
struct
device
dev
;
/* interface specific device info */
struct
class_device
*
class_dev
;
struct
device
*
usb_dev
;
/* pointer to the usb class's device, if any */
};
#define to_usb_interface(d) container_of(d, struct usb_interface, dev)
#define interface_to_usbdev(intf) \
...
...
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