Re: patch to shift memory allocations to usb_alloc_urb()
Oliver Neukum <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
Am Samstag, 30. Juni 2007 schrieb Alan Stern: > I don't know; it might be better to omit iso_fields and have a separate > > usb_alloc_iso_frames(struct urb *urb, unsigned num_frames, > gfp_t mem_flags) > > routine. After all, lots of URBs aren't Iso. That seems incompatible with preallocating resources, if the HCD includes an array of transfer descriptors in the private parts of its URBs. > Also, do you intend to set URB_FREE_BUFFER and allocate the transfer > buffer if and only if max_length > 0? Without an explicit request? No. Regards Oliver ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel