Commit d292dd0e authored Nov 20, 2020 by Qiuxu Zhuo Committed by Bjorn Helgaas Dec 05, 2020

PCI/AER: Add RCEC AER error injection support



Root Complex Event Collectors (RCEC) appear as peers to Root Ports and may
also have the AER capability.

Add RCEC support to the AER error injection driver.

Co-developed-by: Sean V Kelley <sean.v.kelley@intel.com>
Link: https://lore.kernel.org/r/20201121001036.8560-16-sean.v.kelley@intel.com


Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # non-native/no RCEC
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Sean V Kelley <sean.v.kelley@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>

parent 9a2f604f

drivers/pci/pcie/aer_inject.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -333,8 +333,11 @@ static int aer_inject(struct aer_error_inj *einj)
		if (!dev)
		return -ENODEV;
		rpdev = pcie_find_root_port(dev);
		/* If Root Port not found, try to find an RCEC */
		if (!rpdev)
		rpdev = dev->rcec;
		if (!rpdev) {
		pci_err(dev, "Root port not found\n");
		pci_err(dev, "Neither Root Port nor RCEC found\n");
		ret = -ENODEV;
		goto out_put;
		}

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