On Mon, Jul 28, 2014 at 08:42:44AM +0200, Marek Szyprowski wrote: > Hello, > > On 2014-07-25 16:15, Michal Nazarewicz wrote: > >On Fri, Jul 25 2014, Robert Baldyga wrote: > >>This patch introduces ioctl named FUNCTIONFS_ENDPOINT_DESC, which > >>returns endpoint descriptor to userspace. It works only if function > >>is active. > >I would argue that user space should never need to know the real > >descriptor. Is this ioctl needed for anything in particular? > > Some proprietary broken usb protocols might embed real physical endpoint > (or interface) number into the data stream. In such case functionfs driver > is unable to do proper endpoint/interface number fixup. Do you have an example of such a messed up thing? greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
