diff options
Diffstat (limited to 'include/asm-generic/global_data.h')
| -rw-r--r-- | include/asm-generic/global_data.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h index 9006c769279..4aeb61f08c4 100644 --- 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 |