Re: transparent BULK message passthrough
Greg KH <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
On Sat, Apr 14, 2007 at 12:39:46PM +1000, Julian PG wrote: > Hi, > Is it possible to be able to pass usb BULK messages (READ/WRITE) directly to a > device while its already been claimed by a driver? >From userspace, or from within another driver in the kernel? > Is it trivial to add support for this?I understand that this can > already be done with CONTROL messages. However it doesnt seem so with > BULK. That is because the control endpoint is not "owned" by any driver, but the bulk ones are. > It would an advantage for us to have this support included in usbfs, > specifically for a tool like usbreplay > http://mcentral.de/wiki/index.php/Usbreplay. > By replaying windows usb logs back to the device under linux, while trouble > shooting/developing drivers that are already loaded for the device, as you > know it makes it possible to get usb devices supported quickly. How would adding such a function to the kernel allow this to work any easier? You want to try to talk to a device at the same time another driver is controling it? That's a recipe for disaster... thanks, greg k-h ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel