Re: [PATCH] clk: imx8mp: register driver at arch_initcall time

[Rasmus Villemoes]

On 28/09/2022 14.41, Rasmus Villemoes wrote:
> We have an imx8mp-based board with an external gpio-triggered
> watchdog. Currently, we don't get to handle that in time before it
> resets the board.
> 
> The probe of the watchdog device gets deferred because the SOC's GPIO
> controller is not yet ready, and the probe of that in turn gets deferred
> because its clock provider (namely, this driver) is not yet
> ready. Altogether, the watchdog does not get handled until the late
> initcall deferred_probe_initcall has made sure all leftover devices
> have been probed, and that's way too late.
> 
> Aside from being necessary for our board, this also reduces total boot
> time because fewer device probes get deferred.

ping

Rasmus