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authorThomas Gleixner <tglx@linutronix.de>2013-02-04 14:03:03 +0400
committerThomas Gleixner <tglx@linutronix.de>2013-02-04 14:03:03 +0400
commit90889a635a9b5488624bccce3ff6b2eec68c007b (patch)
tree8ddde1e04060bd65ca2aafb09b38066cb7d69b4d /arch
parenta9037430c6c784165a940a90bcd29f886834c8e7 (diff)
parent6f16eebe1ff82176339a0439c98ebec9768b0ee2 (diff)
downloadlinux-90889a635a9b5488624bccce3ff6b2eec68c007b.tar.xz
Merge branch 'fortglx/3.9/time' of git://git.linaro.org/people/jstultz/linux into timers/core
Trivial conflict in arch/x86/Kconfig Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kernel/time.c2
-rw-r--r--arch/x86/Kconfig1
-rw-r--r--arch/x86/kernel/tsc.c3
3 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 127361e093f4..aaba2e05a417 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -668,7 +668,7 @@ int update_persistent_clock(struct timespec now)
struct rtc_time tm;
if (!ppc_md.set_rtc_time)
- return 0;
+ return -ENODEV;
to_tm(now.tv_sec + 1 + timezone_offset, &tm);
tm.tm_year -= 1900;
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 225543bf45a5..97b023f0cbe8 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -106,6 +106,7 @@ config X86
select GENERIC_CLOCKEVENTS_BROADCAST if X86_64 || (X86_32 && X86_LOCAL_APIC)
select GENERIC_TIME_VSYSCALL if X86_64
select KTIME_SCALAR if X86_32
+ select ALWAYS_USE_PERSISTENT_CLOCK
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
select HAVE_CONTEXT_TRACKING if X86_64
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 06ccb5073a3f..4b9ea101fe3b 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -623,7 +623,8 @@ static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
ns_now = __cycles_2_ns(tsc_now);
if (cpu_khz) {
- *scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz;
+ *scale = ((NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR) +
+ cpu_khz / 2) / cpu_khz;
*offset = ns_now - mult_frac(tsc_now, *scale,
(1UL << CYC2NS_SCALE_FACTOR));
}