Merge branch 'master' into next

[platform/kernel/u-boot.git] / include / asm-generic / global_data.h

diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index 9006c76..4aeb61f 100644 (file)
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -116,10 +116,14 @@ struct global_data {
        /**
         * @precon_buf_idx: pre-console buffer index
         *
-        * @precon_buf_idx indicates the current position of the buffer used to
-        * collect output before the console becomes available
-        */
-       unsigned long precon_buf_idx;
+        * @precon_buf_idx indicates the current position of the
+        * buffer used to collect output before the console becomes
+        * available. When negative, the pre-console buffer is
+        * temporarily disabled (used when the pre-console buffer is
+        * being written out, to prevent adding its contents to
+        * itself).
+        */
+       long precon_buf_idx;
 #endif
        /**
         * @env_addr: address of environment structure