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Date:   Wed, 12 Aug 2020 09:46:59 -0700
From:   Sean V Kelley <>
        Sean V Kelley <>
Subject: [PATCH v3 10/10] PCI/AER: Add RCEC AER error injection support

From: Qiuxu Zhuo <>

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.

Signed-off-by: Qiuxu Zhuo <>
Co-developed-by: Sean V Kelley <>
Signed-off-by: Sean V Kelley <>
 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..8107e782546a 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;

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