On Wed, 28 Mar 2012, Oliver Neukum wrote: > From 22569602350f8992f2d2b321cf195e633e74574a Mon Sep 17 00:00:00 2001 > From: Oliver Neukum <oliver@xxxxxxxxxx> > Date: Wed, 28 Mar 2012 10:37:05 +0200 > Subject: [PATCH] usbhid: fix error handling of not enough bandwidth > > In case IO cannot be started because there is a lack of bandwidth > on the bus, it makes no sense to reset the device. If IO is requested > because the device is opened, user space should be notified with > an error right away. If the lack of bandwidth arises later, for > example after resume, there's no other choice but to retry in the > hope that bandwidth will be freed. > > Signed-off-by: Oliver Neukum <oneukum@xxxxxxx> > --- > > Unfortunately only XHCI implements check_bandwidth() > I've seen this trigger on UHCI due to an error, but still, it can happen. Ok, makes sense. I have applied it now. (not considering it important enough to trigger merge with Linus in current merge window though solely for the purpose of this patch though -- I have already flushed my merge window queue to Linus). Thanks, -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
