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HID: usbhid: remove unused hiddev_driver

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Now that hiddev_driver isn't being used for anything, there's no
reason to keep it around.  This patch (as1419) gets rid of it
entirely.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Alan Stern 2010-09-23 10:40:21 -04:00 committed by Jiri Kosina
parent 73e6d6c646
commit 50bb6d8492
3 changed files with 0 additions and 50 deletions
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6
drivers/hid/usbhid/hid-core.c
View file

@ -1470,9 +1470,6 @@ static int __init hid_init(void)
retval = usbhid_quirks_init(quirks_param);
if (retval)
goto usbhid_quirks_init_fail;
retval = hiddev_init();
if (retval)
goto hiddev_init_fail;
retval = usb_register(&hid_driver);
if (retval)
goto usb_register_fail;
@ -1480,8 +1477,6 @@ static int __init hid_init(void)
return 0;
usb_register_fail:
hiddev_exit();
hiddev_init_fail:
usbhid_quirks_exit();
usbhid_quirks_init_fail:
hid_unregister_driver(&hid_usb_driver);
@ -1494,7 +1489,6 @@ static int __init hid_init(void)
static void __exit hid_exit(void)
{
usb_deregister(&hid_driver);
hiddev_exit();
usbhid_quirks_exit();
hid_unregister_driver(&hid_usb_driver);
destroy_workqueue(resumption_waker);

40
drivers/hid/usbhid/hiddev.c
View file

@ -67,8 +67,6 @@ struct hiddev_list {
struct mutex thread_lock;
};
static struct usb_driver hiddev_driver;
/*
* Find a report, given the report's type and ID. The ID can be specified
* indirectly by REPORT_ID_FIRST (which returns the first report of the given
@ -925,41 +923,3 @@ void hiddev_disconnect(struct hid_device *hid)
kfree(hiddev);
}
}
/* Currently this driver is a USB driver. It's not a conventional one in
* the sense that it doesn't probe at the USB level. Instead it waits to
* be connected by HID through the hiddev_connect / hiddev_disconnect
* routines. The reason to register as a USB device is to gain part of the
* minor number space from the USB major.
*
* In theory, should the HID code be generalized to more than one physical
* medium (say, IEEE 1384), this driver will probably need to register its
* own major number, and in doing so, no longer need to register with USB.
* At that point the probe routine and hiddev_driver struct below will no
* longer be useful.
*/
/* We never attach in this manner, and rely on HID to connect us. This
* is why there is no disconnect routine defined in the usb_driver either.
*/
static int hiddev_usbd_probe(struct usb_interface *intf,
const struct usb_device_id *hiddev_info)
{
return -ENODEV;
}
static /* const */ struct usb_driver hiddev_driver = {
.name = "hiddev",
.probe = hiddev_usbd_probe,
};
int __init hiddev_init(void)
{
return usb_register(&hiddev_driver);
}
void hiddev_exit(void)
{
usb_deregister(&hiddev_driver);
}

4
include/linux/hiddev.h
View file

@ -226,8 +226,6 @@ void hiddev_disconnect(struct hid_device *);
void hiddev_hid_event(struct hid_device *hid, struct hid_field *field,
struct hid_usage *usage, __s32 value);
void hiddev_report_event(struct hid_device *hid, struct hid_report *report);
int __init hiddev_init(void);
void hiddev_exit(void);
#else
static inline int hiddev_connect(struct hid_device *hid,
unsigned int force)
@ -236,8 +234,6 @@ static inline void hiddev_disconnect(struct hid_device *hid) { }
static inline void hiddev_hid_event(struct hid_device *hid, struct hid_field *field,
struct hid_usage *usage, __s32 value) { }
static inline void hiddev_report_event(struct hid_device *hid, struct hid_report *report) { }
static inline int hiddev_init(void) { return 0; }
static inline void hiddev_exit(void) { }
#endif
#endif