Message ID | 20190111153707.10140-17-s.miroshnichenko@yadro.com |
---|---|
State | Superseded |
Delegated to: | Bjorn Helgaas |
Headers | show |
Series | PCI: Allow BAR movement during hotplug | expand |
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index a5266f31b612..633aa2570008 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1602,6 +1602,14 @@ static void pci_enable_bridge(struct pci_dev *dev) pci_enable_bridge(bridge); if (pci_is_enabled(dev)) { + int i, bars = 0; + + for (i = PCI_BRIDGE_RESOURCES; i < DEVICE_COUNT_RESOURCE; i++) { + if (dev->resource[i].flags & (IORESOURCE_MEM | IORESOURCE_IO)) + bars |= (1 << i); + } + do_pci_enable_device(dev, bars); + if (!dev->is_busmaster) pci_set_master(dev); mutex_unlock(&dev->enable_mutex);
After updating the bridge window resources, the PCI_COMMAND_IO and PCI_COMMAND_MEMORY bits of the bridge must be addressed as well. Signed-off-by: Sergey Miroshnichenko <s.miroshnichenko@yadro.com> --- drivers/pci/pci.c | 8 ++++++++ 1 file changed, 8 insertions(+)