config PPS
tristate "PPS support"
- depends on EXPERIMENTAL
---help---
PPS (Pulse Per Second) is a special pulse provided by some GPS
antennae. Userland can use it to get a high-precision time
To compile this driver as a module, choose M here: the module
will be called pps_core.ko.
+if PPS
config PPS_DEBUG
bool "PPS debugging messages"
- depends on PPS
help
Say Y here if you want the PPS support to produce a bunch of debug
messages to the system log. Select this if you are having a
config NTP_PPS
bool "PPS kernel consumer support"
- depends on PPS && !NO_HZ
+ depends on !NO_HZ
help
This option adds support for direct in-kernel time
synchronization using an external PPS signal.
It doesn't work on tickless systems at the moment.
+endif
+
source drivers/pps/clients/Kconfig
source drivers/pps/generators/Kconfig