[PATCH V3] PM / core: fix deferred probe breaking suspend resume order

Bjorn Helgaas helgaas at kernel.org
Fri Mar 30 15:50:24 PDT 2018


On Thu, Mar 15, 2018 at 11:41:33AM -0700, Feng Kan wrote:
> On Mon, Mar 5, 2018 at 10:29 AM, Feng Kan <fkan at apm.com> wrote:
> > When bridge and its endpoint is enumerated the devices are added to the
> > dpm list. Afterward, the bridge defers probe when IOMMU is not ready.
> > This causes the bridge to be moved to the end of the dpm list when
> > deferred probe kicks in. The order of the dpm list for bridge and
> > endpoint is reversed.
> >
> > Add reordering code to move the bridge and its children and consumers to
> > the end of the pm list so the order for suspend and resume is not altered.
> > The code also move device and its children and consumers to the tail of
> > device_kset list if it is registered.
> >
> > Signed-off-by: Feng Kan <fkan at apm.com>
> > Signed-off-by: Toan Le <toanle at apm.com>
> > ...
> >
> Hi, just wanted to check if there is anything else I need to change on
> this. Thanks.

I'm assuming Rafael will handle this.



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