Re: [PATCH v1 1/2] pinctrl: tegra: Move drivers registration to arch_init level

[Dmitry Osipenko]

On Thursday, 2 August 2018 14:11:43 MSK Dmitry Osipenko wrote:
> There is a bug in regards to deferred probing within the drivers core
> that causes GPIO-driver to suspend after its users. The bug appears if

I meant "before its users", of course. If the rest of the patches is fine, 
please let me know if re-sending is needed or you'll correct the comment in 
place while applying.

> GPIO-driver probe is getting deferred, which happens after introducing
> dependency on PINCTRL-driver for the GPIO-driver by defining "gpio-ranges"
> property in device-tree. The bug in the drivers core is old (more than 4
> years now) and is well known, unfortunately there is no easy fix for it.
> The good news is that we can workaround the deferred probe issue by
> changing GPIO / PINCTRL drivers registration order and hence by moving
> PINCTRL driver registration to the arch_init level and GPIO to the
> subsys_init.
> 
> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>