On Mon, Jul 9, 2018 at 8:15 AM Maarten Brock <m.brock@xxxxxxxxxxxxx> wrote: > > On 2018-07-04 00:42, Rob Herring wrote: > > On Wed, Jun 27, 2018 at 05:53:44PM +0530, Shubhrajyoti Datta wrote: > >> + > >> +Optional properties: > >> +- port-number : Set Uart port number > > > > Nope. Use aliases. > > You may not like the current implementation, but that is no reason to > deny > this documentation of the current state. Okay, didn't realize it was already in use. > Personally I don't get this preference for aliases. It is a one way > mapping > in the wrong direction if you ask me. If e.g. you have serial0 pointing > to > a 16550 it will give /dev/ttyS0. This prevents you to create > /dev/ttyUL0, > because serial0 is already taken. Note that ttySx and ttyULx are in > different namespaces. It would only make sense if ttyULx was an illegal > name for a UART. The problem here is that each UART defines its own namespace. We don't do that for any other type of device. The problem hasn't been fixed because doing so without breaking userspace is hard. Rob -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
