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timekeeping: Switch HAS_PERSISTENT_CLOCK to ALWAYS_USE_PERSISTENT_CLOCK 

Jason pointed out the HAS_PERSISTENT_CLOCK name isn't
quite accurate for the config, as some systems may have
the persistent_clock in some cases, but not always.

So change the config name to the more clear
ALWAYS_USE_PERSISTENT_CLOCK.

Signed-off-by: John Stultz <john.stultz@linaro.org>
This commit is contained in:
John Stultz 2013-01-25 17:08:12 -08:00
parent e90c83f757
commit 6f16eebe1f
4 changed files with 5 additions and 5 deletions
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2
arch/x86/Kconfig
View File

@ -108,7 +108,7 @@ config X86
select GENERIC_STRNLEN_USER
select HAVE_RCU_USER_QS if X86_64
select HAVE_IRQ_TIME_ACCOUNTING
select HAS_PERSISTENT_CLOCK
select ALWAYS_USE_PERSISTENT_CLOCK
select GENERIC_KERNEL_THREAD
select GENERIC_KERNEL_EXECVE
select MODULES_USE_ELF_REL if X86_32

4
drivers/rtc/Kconfig
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@ -20,7 +20,7 @@ if RTC_CLASS
config RTC_HCTOSYS
bool "Set system time from RTC on startup and resume"
default y
depends on !HAS_PERSISTENT_CLOCK
depends on !ALWAYS_USE_PERSISTENT_CLOCK
help
If you say yes here, the system time (wall clock) will be set using
the value read from a specified RTC device. This is useful to avoid
@ -29,7 +29,7 @@ config RTC_HCTOSYS
config RTC_SYSTOHC
bool "Set the RTC time based on NTP synchronization"
default y
depends on !HAS_PERSISTENT_CLOCK
depends on !ALWAYS_USE_PERSISTENT_CLOCK
help
If you say yes here, the system time (wall clock) will be stored
in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11

2
include/linux/time.h
View File

@ -117,7 +117,7 @@ static inline bool timespec_valid_strict(const struct timespec *ts)
extern bool persistent_clock_exist;
#ifdef CONFIG_HAS_PERSISTENT_CLOCK
#ifdef ALWAYS_USE_PERSISTENT_CLOCK
#define has_persistent_clock() true
#else
static inline bool has_persistent_clock(void)

2
kernel/time/Kconfig
View File

@ -13,7 +13,7 @@ config ARCH_CLOCKSOURCE_DATA
bool
# Platforms has a persistent clock
config HAS_PERSISTENT_CLOCK
config ALWAYS_USE_PERSISTENT_CLOCK
bool
default n