[RFC PATCH 9/9] PCI/AER: Add RCEC AER error injection support

Sean V Kelley
2020-07-24T17:23:00Z

From: Qiuxu Zhuo <qiuxu.zhuo@intel.com>

The Root Complex Event Collectors(RCEC) appear as peers to Root Ports
and also have the AER capability. So add RCEC support to the current AER
error injection driver.

Co-developed-by: Sean V Kelley <sean.v.kelley@intel.com>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Sean V Kelley <sean.v.kelley@intel.com>
---
drivers/pci/pcie/aer_inject.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/pcie/aer_inject.c b/drivers/pci/pcie/aer_inject.c
index 21cc3d3387f7..5264847bd714 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, "Root port or RCEC not found\n");
ret = -ENODEV;
goto out_put;
}
--
2.27.0