[PATCH v1] pmdomain: imx8m-blk-ctrl: fix suspend/resume order

[Adam Ford]

On Wed, May 8, 2024 at 12:40 PM Francesco Dolcini <francesco at dolcini.it> wrote:
>
> On Thu, Apr 18, 2024 at 04:51:51PM +0100, Vitor Soares wrote:
> > From: Vitor Soares <vitor.soares at toradex.com>
> >
> > During the probe, the genpd power_dev is added to the dpm_list after
> > blk_ctrl due to its parent/child relationship. Making the blk_ctrl
> > suspend after and resume before the genpd power_dev.
> >
> > As a consequence, the system hangs when resuming the VPU due to the
> > power domain dependency.
> >
> > To ensure the proper suspend/resume order, add a device link betweem
> > blk_ctrl and genpd power_dev. It guarantees genpd power_dev is suspended
> > after and resumed before blk-ctrl.
> >
>
> Cc: Adam Ford

Thanks!  This is what I was thinking from the other thread.  I just
didn't see this one.


adam
>
> Francesco
>