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IB/hfi1,PCI: Allow bus reset while probing

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Calling into the new API to reset the secondary bus results in a deadlock.
This occurs because the device/bus is already locked at probe time.
Reverting back to the old behavior while the API is improved.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=200985
Fixes: c6a44ba950 ("PCI: Rename pci_try_reset_bus() to pci_reset_bus()")
Fixes: 409888e096 ("IB/hfi1: Use pci_try_reset_bus() for initiating PCI Secondary Bus Reset")
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Cc: Sinan Kaya <okaya@codeaurora.org>
This commit is contained in:
Dennis Dalessandro 2018-08-31 10:34:14 -07:00 • committed by Bjorn Helgaas
parent d8a5281035
commit bfc456060d
3 changed files with 8 additions and 7 deletions
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1
drivers/pci/pci.c
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@ -4547,6 +4547,7 @@ int pci_bridge_secondary_bus_reset(struct pci_dev *dev)
return pci_dev_wait(dev, "bus reset", PCIE_RESET_READY_POLL_MS);
}
EXPORT_SYMBOL_GPL(pci_bridge_secondary_bus_reset);
static int pci_parent_bus_reset(struct pci_dev *dev, int probe)
{