diff options
| -rw-r--r-- | drivers/stm/Kconfig | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/stm/Kconfig b/drivers/stm/Kconfig index a53e8e253cf..50746a1e7ac 100644 --- a/drivers/stm/Kconfig +++ b/drivers/stm/Kconfig @@ -23,8 +23,11 @@ config STM_ARM config STM_DUMMY tristate "STM Dummy Driver" depends on STM_FW + select TRACE_SINK default n help STM Dummy Driver - provides System Trace Macrocell - support for verification purpose, no STM hardware required - + support for verification purpose, no STM hardware required. It uses + TRACE_SINK (n_tracesink line discipline) to route STM messages to + TTY devices, such as /dev/ttyprintk or ttyUSB. When n_tracesink is not + attached to TTY device, all STM messages are simply thrown away. |