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-rw-r--r--arch/arm/kernel/time.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index 174cd4900bf9..3c8cdcfe8d4a 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -87,6 +87,17 @@ unsigned long long __attribute__((weak)) sched_clock(void)
87 return (unsigned long long)jiffies * (1000000000 / HZ); 87 return (unsigned long long)jiffies * (1000000000 / HZ);
88} 88}
89 89
90/*
91 * An implementation of printk_clock() independent from
92 * sched_clock(). This avoids non-bootable kernels when
93 * printk_clock is enabled.
94 */
95unsigned long long printk_clock(void)
96{
97 return (unsigned long long)(jiffies - INITIAL_JIFFIES) *
98 (1000000000 / HZ);
99}
100
90static unsigned long next_rtc_update; 101static unsigned long next_rtc_update;
91 102
92/* 103/*