On Sun, Feb 23, 2025 at 08:05:33PM +0100, Ricardo Ribalda wrote: > On Sun, 23 Feb 2025 at 16:06, Laurent Pinchart wrote: > > > > The uvc_driver structure used to contain more fields, but those got > > removed in commit ba2fa99668bb ("[media] uvcvideo: Hardcode the > > index/selector relationship for XU controls"). The structure is now just > > a wrapper around usb_driver. Drop it. > > > > Fixes: ba2fa99668bb ("[media] uvcvideo: Hardcode the index/selector relationship for XU controls") > > Do we really want to declare a fix here? I don't mind dropping it. Backports are not important. > > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > > Reviewed-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx> > > > --- > > drivers/media/usb/uvc/uvc_driver.c | 35 +++++++++++++++--------------- > > drivers/media/usb/uvc/uvcvideo.h | 7 ------ > > 2 files changed, 17 insertions(+), 25 deletions(-) > > > > diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c > > index deadbcea5e22..84e931959198 100644 > > --- a/drivers/media/usb/uvc/uvc_driver.c > > +++ b/drivers/media/usb/uvc/uvc_driver.c > > @@ -37,6 +37,8 @@ static unsigned int uvc_quirks_param = -1; > > unsigned int uvc_dbg_param; > > unsigned int uvc_timeout_param = UVC_CTRL_STREAMING_TIMEOUT; > > > > +static struct usb_driver uvc_driver; > > + > > /* ------------------------------------------------------------------------ > > * Utility functions > > */ > > @@ -546,7 +548,7 @@ static int uvc_parse_streaming(struct uvc_device *dev, > > return -EINVAL; > > } > > > > - if (usb_driver_claim_interface(&uvc_driver.driver, intf, dev)) { > > + if (usb_driver_claim_interface(&uvc_driver, intf, dev)) { > > uvc_dbg(dev, DESCR, > > "device %d interface %d is already claimed\n", > > dev->udev->devnum, > > @@ -556,7 +558,7 @@ static int uvc_parse_streaming(struct uvc_device *dev, > > > > streaming = uvc_stream_new(dev, intf); > > if (streaming == NULL) { > > - usb_driver_release_interface(&uvc_driver.driver, intf); > > + usb_driver_release_interface(&uvc_driver, intf); > > return -ENOMEM; > > } > > > > @@ -779,7 +781,7 @@ static int uvc_parse_streaming(struct uvc_device *dev, > > return 0; > > > > error: > > - usb_driver_release_interface(&uvc_driver.driver, intf); > > + usb_driver_release_interface(&uvc_driver, intf); > > uvc_stream_delete(streaming); > > return ret; > > } > > @@ -1922,8 +1924,7 @@ static void uvc_delete(struct kref *kref) > > struct uvc_streaming *streaming; > > > > streaming = list_entry(p, struct uvc_streaming, list); > > - usb_driver_release_interface(&uvc_driver.driver, > > - streaming->intf); > > + usb_driver_release_interface(&uvc_driver, streaming->intf); > > uvc_stream_delete(streaming); > > } > > > > @@ -3196,17 +3197,15 @@ static const struct usb_device_id uvc_ids[] = { > > > > MODULE_DEVICE_TABLE(usb, uvc_ids); > > > > -struct uvc_driver uvc_driver = { > > - .driver = { > > - .name = "uvcvideo", > > - .probe = uvc_probe, > > - .disconnect = uvc_disconnect, > > - .suspend = uvc_suspend, > > - .resume = uvc_resume, > > - .reset_resume = uvc_reset_resume, > > - .id_table = uvc_ids, > > - .supports_autosuspend = 1, > > - }, > > +static struct usb_driver uvc_driver = { > > + .name = "uvcvideo", > > + .probe = uvc_probe, > > + .disconnect = uvc_disconnect, > > + .suspend = uvc_suspend, > > + .resume = uvc_resume, > > + .reset_resume = uvc_reset_resume, > > + .id_table = uvc_ids, > > + .supports_autosuspend = 1, > > }; > > > > static int __init uvc_init(void) > > @@ -3215,7 +3214,7 @@ static int __init uvc_init(void) > > > > uvc_debugfs_init(); > > > > - ret = usb_register(&uvc_driver.driver); > > + ret = usb_register(&uvc_driver); > > if (ret < 0) { > > uvc_debugfs_cleanup(); > > return ret; > > @@ -3226,7 +3225,7 @@ static int __init uvc_init(void) > > > > static void __exit uvc_cleanup(void) > > { > > - usb_deregister(&uvc_driver.driver); > > + usb_deregister(&uvc_driver); > > uvc_debugfs_cleanup(); > > } > > > > diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h > > index b63720e21075..b4ee701835fc 100644 > > --- a/drivers/media/usb/uvc/uvcvideo.h > > +++ b/drivers/media/usb/uvc/uvcvideo.h > > @@ -632,10 +632,6 @@ struct uvc_fh { > > unsigned int pending_async_ctrls; > > }; > > > > -struct uvc_driver { > > - struct usb_driver driver; > > -}; > > - > > /* ------------------------------------------------------------------------ > > * Debugging, printing and logging > > */ > > @@ -686,9 +682,6 @@ do { \ > > * Internal functions. > > */ > > > > -/* Core driver */ > > -extern struct uvc_driver uvc_driver; > > - > > struct uvc_entity *uvc_entity_by_id(struct uvc_device *dev, int id); > > > > /* Video buffers queue management. */ > > > > base-commit: 2014c95afecee3e76ca4a56956a936e23283f05b -- Regards, Laurent Pinchart