[PATCH 1/2] dm: core: Add a flag for power domain control on device removal

Anatolij Gustschin agust at denx.de
Tue Feb 18 20:42:07 CET 2020


Hi Simon,

On Tue, 18 Feb 2020 11:31:26 -0700
Simon Glass sjg at chromium.org wrote:

> Hi Anatolij,
> 
> On Mon, 17 Feb 2020 at 04:36, Anatolij Gustschin <agust at denx.de> wrote:
> >
> > In various cases a power domain must stay enabled after device
> > removal when booting OS (i.e. serial debug console or display).
> > Add a flag to selectively skip switching off a power domain.
> >
> > Fixes: 52edfed65de9 ("dm: core: device: switch off power domain after device removal")
> > Signed-off-by: Anatolij Gustschin <agust at denx.de>
> > ---
> >  drivers/core/device-remove.c | 5 +++--
> >  include/dm/device.h          | 6 ++++++
> >  2 files changed, 9 insertions(+), 2 deletions(-)  
> 
> This seems OK. Should we add a device tree property for this? Or is
> the driver-level side enough.

For all potential users I'm currently aware of the driver-level
side is enough. Should this ever be required per device, then we
can add a property later.

--
Anatolij


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