On Wednesday 18 January 2017 10:30 PM, Tony Lindgren wrote: > * 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? Yeah, OF_EARLYCON_DECLARE should be declared for omap-serial. Just posted a patch[1] adding support for earlycon in omap-serial. [1] https://patchwork.kernel.org/patch/9525377/ Thanks and regards, Lokesh -- 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
