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drivers/pps: use surrounding "if PPS" to remove numerous dependency checks 

Adding high-level "if PPS" makes lower-level dependency tests superfluous.

Link: http://lkml.kernel.org/r/alpine.LFD.2.20.1708261050500.8156@localhost.localdomain
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
zero-colors
Robert P. J. Day 2017-09-08 16:17:22 -07:00 committed by Linus Torvalds
parent a2d8180301
commit ab4f526058
3 changed files with 8 additions and 9 deletions
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7
drivers/pps/Kconfig
View File

@ -19,9 +19,10 @@ menuconfig PPS
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
@ -29,7 +30,7 @@ config PPS_DEBUG
config NTP_PPS
bool "PPS kernel consumer support"
depends on PPS && !NO_HZ_COMMON
depends on !NO_HZ_COMMON
help
This option adds support for direct in-kernel time
synchronization using an external PPS signal.
@ -39,3 +40,5 @@ config NTP_PPS
source drivers/pps/clients/Kconfig
source drivers/pps/generators/Kconfig
endif # PPS

7
drivers/pps/clients/Kconfig
View File

@ -3,11 +3,9 @@
#
comment "PPS clients support"
depends on PPS
config PPS_CLIENT_KTIMER
tristate "Kernel timer client (Testing client, use for debug)"
depends on PPS
help
If you say yes here you get support for a PPS debugging client
which uses a kernel timer to generate the PPS signal.
@ -17,21 +15,20 @@ config PPS_CLIENT_KTIMER
config PPS_CLIENT_LDISC
tristate "PPS line discipline"
depends on PPS && TTY
depends on TTY
help
If you say yes here you get support for a PPS source connected
with the CD (Carrier Detect) pin of your serial port.
config PPS_CLIENT_PARPORT
tristate "Parallel port PPS client"
depends on PPS && PARPORT
depends on PARPORT
help
If you say yes here you get support for a PPS source connected
with the interrupt pin of your parallel port.
config PPS_CLIENT_GPIO
tristate "PPS client using GPIO"
depends on PPS
help
If you say yes here you get support for a PPS source using
GPIO. To be useful you must also register a platform device

3
drivers/pps/generators/Kconfig
View File

@ -3,11 +3,10 @@
#
comment "PPS generators support"
depends on PPS
config PPS_GENERATOR_PARPORT
tristate "Parallel port PPS signal generator"
depends on PPS && PARPORT && BROKEN
depends on PARPORT && BROKEN
help
If you say yes here you get support for a PPS signal generator which
utilizes STROBE pin of a parallel port to send PPS signals. It uses