[PATCH] tty: hvc_dcc: Add basic early_con support

In some cases, earlycon can help catch errors with kernel boot prior to standard console is available. Example bootargs: console=hvc0 earlycon=hvcdcc Signed-off-by: Nishanth Menon --- Based on: v4.9 tag Also applies on: next-20161219 Tested on Simulation environment (which did not

[PATCH] tty: hvc_dcc: Add basic early_con support

In some cases, earlycon can help catch errors with kernel boot prior to standard console is available. Example bootargs: console=hvc0 earlycon=hvcdcc Signed-off-by: Nishanth Menon --- Based on: v4.9 tag Also applies on: next-20161219 Tested on Simulation environment (which did not have serial