Re: [PATCH 1/5] ARM: OMAP2+: omap_hwmod: Add support for earlycon

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* Lokesh Vutla <lokeshvutla@xxxxxx> [170117 19:50]:
> 
> 
> On Wednesday 18 January 2017 04:53 AM, Tony Lindgren wrote:
> > * Lokesh Vutla <lokeshvutla@xxxxxx> [170116 20:06]:
> >> Hwmod core tries to reset and idles each IP that is registered with hwmod.
> >> In case of earlycon, that specific uart IP cannot be reset or keep it in
> >> idle state else earlycon hangs once hwmod resets that uart IP. So add support
> >> to not reset uart that is being used as earlycon only if CONFIG_SERIAL_EARLYCON
> >> is enabled.
> > 
> > Nice :)
> > 
> > I guess this has no dependency to SERIAL_OMAP vs 8250_OMAP selection?
> 
> Unfortunately SERIAL_OMAP does not support earlycon yet. As I mentioned
> in my cover letter, I verified this series only with 8250_OMAP.

OK. So just to understand why it would not work with omap-serial, do we
need something implemented in drivers/tty/serial/earlycon.c for non 8250
drivers to make it work? Or are there other dependencies?

Regards,

Tony
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