diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
index ca680635d7a9504d88126ad72430ea4dacfc8f0b..bb8b94ac8d3bfc82f4259846bb65938cacd08f4e 100644
--- a/drivers/misc/pci_endpoint_test.c
+++ b/drivers/misc/pci_endpoint_test.c
@@ -652,6 +652,13 @@ static bool pci_endpoint_test_read(struct pci_endpoint_test *test,
 	return ret;
 }
 
+static bool pci_endpoint_test_clear_irq(struct pci_endpoint_test *test)
+{
+	pci_endpoint_test_release_irq(test);
+	pci_endpoint_test_free_irq_vectors(test);
+	return true;
+}
+
 static bool pci_endpoint_test_set_irq(struct pci_endpoint_test *test,
 				      int req_irq_type)
 {
@@ -722,6 +729,9 @@ static long pci_endpoint_test_ioctl(struct file *file, unsigned int cmd,
 	case PCITEST_GET_IRQTYPE:
 		ret = irq_type;
 		break;
+	case PCITEST_CLEAR_IRQ:
+		ret = pci_endpoint_test_clear_irq(test);
+		break;
 	}
 
 ret:
diff --git a/include/uapi/linux/pcitest.h b/include/uapi/linux/pcitest.h
index 8b868761f8b4372c123fc6442c2698a0efa550c3..c3ab4c826297c9d4aa82724a7a8f1d6f084885a1 100644
--- a/include/uapi/linux/pcitest.h
+++ b/include/uapi/linux/pcitest.h
@@ -19,6 +19,7 @@
 #define PCITEST_MSIX		_IOW('P', 0x7, int)
 #define PCITEST_SET_IRQTYPE	_IOW('P', 0x8, int)
 #define PCITEST_GET_IRQTYPE	_IO('P', 0x9)
+#define PCITEST_CLEAR_IRQ	_IO('P', 0x10)
 
 #define PCITEST_FLAGS_USE_DMA	0x00000001