On Thu, Jul 10, 2014 at 03:31:57PM +0100, One Thousand Gnomes wrote: > > I really don't like the way that the tty core has been changed to handle > > multiple attribute groups, as I feel tty drivers shouldn't be creating > > "special" sysfs files, depending on what driver is bound to them. > > The intent isn't that it is "special" but that it can be propogated to > others as and when they wish to provide it. > > > Usually we have handled this using tools like 'stty' and ioctls, right? > > Surely there is an ioctl to control the interrupt level, right? Hasn't > > this been covered before somehow? > > No, and the direction when this started was to use sysfs as we have also > been moving all the other attributes towards sysfs and has been since > 2012. > > TTY devices do have lots of strange attributes and right now many of them > are only programmable by using device tree and rebooting. Ok. Hm, there has to be a better way to do the group sysfs file handling... Let me work on this tomorrow and see what I can come up with. We should be able to use the is_visable() attribute to create/notcreate the attribute where needed... thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html