1 files changed, 12 insertions, 3 deletions

diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index 3d3816f6d367..8e1793649ec0 100644
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -74,6 +74,8 @@ struct vendor_error_type_extension {
         u8      reserved[3];
 };
 
+static u32 notrigger;
+
 static u32 vendor_flags;
 static struct debugfs_blob_wrapper vendor_blob;
 static char vendor_dev[64];
@@ -496,9 +498,11 @@ static int __einj_error_inject(u32 type, u64 param1, u64 param2)
         if (rc)
                 return rc;
         trigger_paddr = apei_exec_ctx_get_output(&ctx);
-        rc = __einj_error_trigger(trigger_paddr, type, param1, param2);
-        if (rc)
-                return rc;
+        if (notrigger == 0) {
+                rc = __einj_error_trigger(trigger_paddr, type, param1, param2);
+                if (rc)
+                        return rc;
+        }
         rc = apei_exec_run_optional(&ctx, ACPI_EINJ_END_OPERATION);
 
         return rc;
@@ -700,6 +704,11 @@ static int __init einj_init(void)
                                             einj_debug_dir, &error_param2);
                 if (!fentry)
                         goto err_unmap;
+
+                fentry = debugfs_create_x32("notrigger", S_IRUSR | S_IWUSR,
+                                            einj_debug_dir, &notrigger);
+                if (!fentry)
+                        goto err_unmap;
         }
 
         if (vendor_dev[0]) {