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-rw-r--r--tools/testing/cxl/mock_acpi.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/testing/cxl/mock_acpi.c b/tools/testing/cxl/mock_acpi.c
index 4c8a493ace56..c953e3ab6494 100644
--- a/tools/testing/cxl/mock_acpi.c
+++ b/tools/testing/cxl/mock_acpi.c
@@ -57,7 +57,9 @@ static int match_add_root_port(struct pci_dev *pdev, void *data)
/* TODO walk DVSEC to find component register base */
port_num = FIELD_GET(PCI_EXP_LNKCAP_PN, lnkcap);
+ cxl_device_lock(&port->dev);
rc = cxl_add_dport(port, &pdev->dev, port_num, CXL_RESOURCE_NONE);
+ cxl_device_unlock(&port->dev);
if (rc) {
dev_err(dev, "failed to add dport: %s (%d)\n",
dev_name(&pdev->dev), rc);
@@ -78,7 +80,9 @@ static int mock_add_root_port(struct platform_device *pdev, void *data)
struct device *dev = ctx->dev;
int rc;
+ cxl_device_lock(&port->dev);
rc = cxl_add_dport(port, &pdev->dev, pdev->id, CXL_RESOURCE_NONE);
+ cxl_device_unlock(&port->dev);
if (rc) {
dev_err(dev, "failed to add dport: %s (%d)\n",
dev_name(&pdev->dev), rc);