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| author | Saranya Chidura <schidura@codeaurora.org> | 2017-02-23 13:06:30 +0530 |
|---|---|---|
| committer | Saranya Chidura <schidura@codeaurora.org> | 2017-02-23 13:18:48 +0530 |
| commit | f6069cd22441aa132a1f9df9c7414f1cb4c9dcdb (patch) | |
| tree | a27c4c554b36cb40878fac722e5718737e814f89 | |
| parent | d72462d943ee499ac17a485bdacca60c0db31c04 (diff) | |
kconfig: add cti-save-disable config in coresight
Added CONFIG_CORESIGHT_CTI_SAVE_DISABLE in kconfig of
coresight to choose CTI without save-restore functionality
for CPU cores.
Change-Id: I48128fbeda293a73d78946b8c222b5d0393c7595
Signed-off-by: Saranya Chidura <schidura@codeaurora.org>
| -rw-r--r-- | drivers/hwtracing/coresight/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/Kconfig b/drivers/hwtracing/coresight/Kconfig index ed70a980d9ac..6e72cda433db 100644 --- a/drivers/hwtracing/coresight/Kconfig +++ b/drivers/hwtracing/coresight/Kconfig @@ -136,6 +136,17 @@ config CORESIGHT_CTI hardware component to another. It can also be used to pass software generated events. +config CORESIGHT_CTI_SAVE_DISABLE + bool "Turn off CTI save and restore" + depends on CORESIGHT_CTI + help + Turns off CoreSight CTI save and restore support for cpu CTIs. This + avoids voting for the clocks during probe as well as the associated + save and restore latency at the cost of breaking cpu CTI support on + targets where cpu CTIs have to be preserved across power collapse. + + If unsure, say 'N' here to avoid breaking cpu CTI support. + config CORESIGHT_TPDA bool "CoreSight Trace, Profiling & Diagnostics Aggregator driver" help |