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Gavin Shan authored
When EEH error happens to one specific PE, the device drivers of its attached EEH devices (PCI devices) are checked to see the further action: reset with complete hotplug, or reset without hotplug. However, that's not enough for those PCI devices whose drivers can't support EEH, or those PCI devices without driver. So we need do so-called "partial hotplug" on basis of PCI devices. In the situation, part of PCI devices of the specific PE are unplugged and plugged again after PE reset. The patch changes pcibios_add_pci_devices() so that it can support full hotplug and so-called "partial" hotplug based on device-tree or real hardware. It's notable that pci_of_scan.c has been changed for a bit in order to support the "partial" hotplug based on dev-tree. Most of the generic code already supports that, we just need to plumb it properly on our side. Signed-off-by:
Gavin Shan <shangw@linux.vnet.ibm.com> Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org>
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