Gavin Shan <gws...@linux.vnet.ibm.com> writes:
> This supports PCI surprise hotplug. The design is highlighted as
> * The PCI slot's surprise hotplug capability is exposed through
> device node property "ibm,slot-surprise-pluggable", meaning
> PCI surprise hotplug will be disabled if skiboot doesn't support
> it yet.
> * The interrupt because of presence or link state change is raised
> on surprise hotplug event. One event is allocated and queued to
> the PCI slot for workqueue to pick it up and process in serialized
> fashion. The code flow for surprise hotplug is same to that for
> managed hotplug except: the affected PEs are put into frozen state
> to avoid unexpected EEH error reporting in surprise hot remove path.
> Signed-off-by: Gavin Shan <gws...@linux.vnet.ibm.com>
> arch/powerpc/include/asm/pnv-pci.h | 9 ++
> drivers/pci/hotplug/pnv_php.c | 219
Can you please resend this and Cc linux-pci and Bjorn, thanks.