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

[Anatolij Gustschin]

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

--
Anatolij