Gavin Shan <gws...@linux.vnet.ibm.com> writes: > This supports PCI surprise hotplug. The design is highlighted as > below: > > * 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. cheers