On Tue, 23 Aug 2016 00:00:17 +0200 Pavel Machek <pa...@ucw.cz> wrote:
> On Mon 2016-08-22 22:32:23, One Thousand Gnomes wrote: > > > why would we even have it create a /dev/ttyX for these devices in the > > > first place. Lets just not create an uevent for it and lets not create a > > > dev_t for it. > > > > Because if you don't it's a regression. It's not permissible to break > > existing userspace. > > Well... it would be good to do the right thing, at least in the places > where we can. > > Yes, renumbering people's serials is bad, OTOH for new platforms it > would be nice not to expose ttyS15 which can only return -EBUSY. That would still be a regression. Not everyone even uses the kernel bluetooth stack. It would only return EBUSY if you had done an "up" on it via the direct bluetooth stack. Alan