Am Donnerstag 11 Oktober 2007 schrieb Phil Endecott:
> Hi Oliver, thanks for the quick reply.
>
> Oliver Neukum wrote:
> > Am Donnerstag 11 Oktober 2007 schrieb Phil Endecott:
> >> Claiming devices: I understand how the usb core offers new devices to
> >> kernel drivers based on the struct usb_device_id. Is there any way for
> >> my user-space driver to influence this process? (A sufficient solution
> >> for me for the time being would be a way to temporarily disable the
> >> kernel matching while my user-space code is running; for example, I'd
> >> be happy to load a small kernel module that clobbers the existing
> >> matching somehow.)
> >
> > You can unbind a device from its driven with an ioctl through usbfs.
>
> OK; is it one of the ones listed at the end of usbdevice_fs.h ? I
> don't see an obvious one...
/* disconnect kernel driver from interface */
case USBDEVFS_DISCONNECT:
if (intf->dev.driver) {
driver = to_usb_driver(intf->dev.driver);
dev_dbg (&intf->dev, "disconnect by usbfs\n");
usb_driver_release_interface(driver, intf);
} else
retval = -ENODATA;
break;
/* let kernel drivers try to (re)bind to the interface */
case USBDEVFS_CONNECT:
usb_unlock_device(ps->dev);
retval = bus_rescan_devices(intf->dev.bus);
usb_lock_device(ps->dev);
break;
Regards
Oliver
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