[PATCH v3 3/3] PCI: Avoid slot reset for Cavium cn8xxx root ports
From: Jan Glauber <hidden>
Date: 2017-09-07 07:49:26
Also in:
kvm, linux-pci, lkml
On Thu, Sep 07, 2017 at 09:40:11AM +0200, Jan Glauber wrote:
quoted hunk ↗ jump to hunk
So what if we add an additional check like:diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index fdf65a6..389db4b 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c@@ -4389,6 +4389,9 @@ static bool pci_slot_resetable(struct pci_slot *slot) { struct pci_dev *dev; + if (slot->bus->self & PCI_DEV_FLAGS_NO_BUS_RESET) + return false; + list_for_each_entry(dev, &slot->bus->devices, bus_list) { if (!dev->slot || dev->slot != slot) continue;
Obviously I meant: if (slot->bus->self->dev_flags & PCI_DEV_FLAGS_NO_BUS_RESET) --Jan