Hi, On Fri, Jan 21, 2011 at 01:39:20PM +0800, Bob Liu wrote: > As blackfin doesn't support double buffering feature as of today. > It used to use > Commit 9f445cb [USB: musb: disable double buffering for older RTL versions] to > skip this problem, but which caused other problem. > eg: As Ajay pointed out "breaking the high bandwidth isochronous transfer" and > Ming pointed "break full speed and cause overflow problems". > > So add a flag set by musb_platform_init() to force fully disable that feature. > Such flag is created and marked as deprecated to force to find a solution for > the missing double buffering support on blackfin. > > Signed-off-by: Bob Liu <lliubbo@xxxxxxxxx> I believe this is basically the patch I sent earlier ? http://marc.info/?l=linux-usb&m=129075554325837&w=2 You can't simply take the patch and claim it's yours. I didn't apply it because I haven't tested it. If you tell me it's working on blackfin, I'll use my own (original) version, but I need to be sure it's not breaking DaVinci either. I can test on OMAP3/4 myself but I'm not sure this is safe. -- balbi -- 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