Re: User-space driver: order of uevents vs usbfs, claiming devices, and configurations

Oliver Neukum wrote:
> Am Donnerstag 11 Oktober 2007 schrieb Phil Endecott:
>> Oliver Neukum wrote:
>> > 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;

Thanks!  I had assumed that they were used to "connect" and 
"disconnect" my driver, and had been ignorantly calling them when I 
started and finished - exactly the opposite of what I should have been doing....


Cheers,

Phil.





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