On Fri, Jan 15, 2016 at 11:34 PM, Vostrikov Andrey <andrey.vostri...@cogentembedded.com> wrote: > > Yes, such implementation will help. There is a need for interface like UART > BUS that will probe devices without user space. > Serial I/O for input subsystem defines new type of bus and uses dedicated > line discipline, but it still unable to start driver by itself and requires > call from 'inputattach' to open port, assign line discipline and go to > forever wait on 'read'.
That was done mainly because almost none of the serial protocols could be auto-probed, so device initialization/setup was moved out of kernel and thus we have the separate line discipline and inputattach utility. Thanks. -- Dmitry