[PATCH] Revert "dm: core: device: switch off power domain after device removal"

[Anatolij Gustschin]

Hi Neil,

On Mon, 2 Mar 2020 10:30:31 +0100
Neil Armstrong narmstrong at baylibre.com wrote:

> Hi Analolij,
> 
> On 17/02/2020 12:53, Anatolij Gustschin wrote:
> > On Mon, 17 Feb 2020 10:10:36 +0100
> > Neil Armstrong narmstrong at baylibre.com wrote:
> >   
> >> This commit breaks Linux boot on Amlogic libretech-cc, libretech-ac, sei510,
> >> sei610 board by automatically disabling the power domain after device removal.
> >> This because the power domain associated to the video driver must be kept
> >> enabled for linux to boot.
> >>
> >> The only way is to use the introduced flag DM_FLAG_DEFAULT_PD_CTRL_OFF, which
> >> removes automatic handling of power domain.
> >> This flag is not a complete solution since it will force reverting to manually
> >> enable the power domain from the driver probe.
> >>
> >> Instead a flag to keep the power domain enabled after removal should be
> >> introduced.
> >>
> >> In the meantime revert this commit until a proper solution is found.
> >>
> >> This reverts commit 52edfed65de967a86983a55c51ba0727090efc43.
> >>
> >> Signed-off-by: Neil Armstrong <narmstrong at baylibre.com>
> >> ---
> >> Hi Simon, Tom,
> >>
> >> This revert is the simplest fix to make the boards boot again on v2020.04,
> >> the goal is to make this behavior happen again with a proper flag to keep the
> >> power domain enabled on specific drivers.
> >>
> >> I can push it on my next PR on my branch, is it ok ?  
> > 
> > Please test if these two patches fix the problem:
> >  http://patchwork.ozlabs.org/patch/1239143
> >  http://patchwork.ozlabs.org/patch/1239144  
> 
> Should I apply these through my tree or you plan to push these yourself ?

These patches are assigned to Simon in patchwork, and are in his tree
under build-testing I think.

--
Anatolij