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authorGuodong Xu <guodong.xu@linaro.org>2012-08-10 10:07:57 +0800
committerRyan Harkin <ryan.harkin@linaro.org>2012-08-10 11:44:49 +0100
commit05a941246794127815ac8b4ed7da0fe70a2b779e (patch)
treec3b940ce13700471b0a1d1c080ed59b178e798a6
parentdc2ceb1a35d0245c17496632d5c1bba95ac06997 (diff)
downloadstm-guodong-stm-update.tar.gz
drivers/stm: Update Kconfig for STM Dummy driverguodong-stm-update
-rw-r--r--drivers/stm/Kconfig7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/stm/Kconfig b/drivers/stm/Kconfig
index a53e8e2..50746a1e 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.