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authorQiuxu Zhuo <qiuxu.zhuo@intel.com>2020-11-20 16:10:36 -0800
committerBjorn Helgaas <bhelgaas@google.com>2020-12-05 15:26:02 -0600
commitd292dd0eb3ac6ce6ea66715bb9f6b8e2ae70747c (patch)
treef4708e31fd1562f3aa6c269949be8000302a6581 /drivers
parent9a2f604f44979e0effa8cf067e5a8ecda729f23b (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/pcie/aer_inject.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/pci/pcie/aer_inject.c b/drivers/pci/pcie/aer_inject.c
index c2cbf425afc5..767f8859b99b 100644
--- a/drivers/pci/pcie/aer_inject.c
+++ b/drivers/pci/pcie/aer_inject.c
@@ -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;
}