diff options
Diffstat (limited to 'drivers/cxl')
| -rw-r--r-- | drivers/cxl/core/port.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c index 3310dbfae9d6..4717dcff264b 100644 --- a/drivers/cxl/core/port.c +++ b/drivers/cxl/core/port.c @@ -822,16 +822,18 @@ DEFINE_DEBUGFS_ATTRIBUTE(cxl_einj_inject_fops, NULL, cxl_einj_inject, static void cxl_debugfs_create_dport_dir(struct cxl_dport *dport) { + struct cxl_port *parent = parent_port_of(dport->port); struct dentry *dir; if (!einj_cxl_is_initialized()) return; /* - * dport_dev needs to be a PCIe port for CXL 2.0+ ports because - * EINJ expects a dport SBDF to be specified for 2.0 error injection. + * Protocol error injection is only available for CXL 2.0+ root ports + * and CXL 1.1 downstream ports */ - if (!dport->rch && !dev_is_pci(dport->dport_dev)) + if (!dport->rch && + !(dev_is_pci(dport->dport_dev) && parent && is_cxl_root(parent))) return; dir = cxl_debugfs_create_dir(dev_name(dport->dport_dev)); |