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Date: Fri, 24 Jul 2020 10:22:23 -0700 From: Sean V Kelley <sean.v.kelley@...el.com> To: bhelgaas@...gle.com, Jonathan.Cameron@...wei.com, rjw@...ysocki.net, ashok.raj@...nel.org, tony.luck@...el.com, sathyanarayanan.kuppuswamy@...ux.intel.com Cc: linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org, Qiuxu Zhuo <qiuxu.zhuo@...el.com>, Sean V Kelley <sean.v.kelley@...el.com> Subject: [RFC PATCH 9/9] PCI/AER: Add RCEC AER error injection support From: Qiuxu Zhuo <qiuxu.zhuo@...el.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@...el.com> Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@...el.com> Signed-off-by: Sean V Kelley <sean.v.kelley@...el.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
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