On 11/17/20 11:19 AM, Sean V Kelley wrote:
From: Qiuxu Zhuo <qiuxu.zhuo@xxxxxxxxx> 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.
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>
Co-developed-by: Sean V Kelley <sean.v.kelley@xxxxxxxxx> Link: https://lore.kernel.org/r/20201002184735.1229220-15-seanvk.dev@xxxxxxxxxxxxxxxx Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@xxxxxxxxx> Signed-off-by: Sean V Kelley <sean.v.kelley@xxxxxxxxx> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> --- 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 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; }
-- Sathyanarayanan Kuppuswamy Linux Kernel Developer
