Re: [PATCHv2 6/13] dmtimer: hwmod: OMAP2PLUS: device registration

[Kevin Hilman <khilman@deeprootsystems.com>]

Tarun Kanti DebBarma <tarun.kanti@ti.com> writes:

> +/**
> +* omap2_dm_timer_early_init - top level early timer initialization
> +* called in the last part of omap2_init_common_hw
> +*
> +* uses dedicated hwmod api to parse through hwmod database for
> +* given class name and then build and register the timer device.
> +* at the end driver is registered and early probe initiated.
> +**/
> +void __init omap2_dm_timer_early_init(void)
> +{
> +	omap_hwmod_for_each_by_class("timer_1ms",
> +				omap_dm_timer_early_init, NULL);
> +	omap2_dm_timer_setup();
> +	early_platform_driver_register_all("earlytimer");
> +	early_platform_driver_probe("earlytimer", early_timer_count + 1, 0);
> +}

It's not clear (or documented) why on the 1ms timers should be the only
earlydevices.

For example, GPT12 is used as the system timer on Beagle due to a board
bug in early revs of the board.  That will no longer function with this
approach.

Kevin