diff options
| author |   Qiuxu Zhuo <qiuxu.zhuo@intel.com> | 2020-11-20 16:10:36 -0800 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2020-12-05 15:26:02 -0600 |
| commit | d292dd0eb3ac6ce6ea66715bb9f6b8e2ae70747c (patch) | |
| tree | f4708e31fd1562f3aa6c269949be8000302a6581 /drivers/pci/pcie | |
| parent | PCI/PME: Add pcie_walk_rcec() to RCEC PME handling (diff) | |
| download | linux-dev-d292dd0eb3ac6ce6ea66715bb9f6b8e2ae70747c.tar.xz linux-dev-d292dd0eb3ac6ce6ea66715bb9f6b8e2ae70747c.zip | |
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/pci/pcie')
| -rw-r--r-- | drivers/pci/pcie/aer_inject.c | 5 |
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; } |