arch_timer: Move to generic sched_clock framework

[mirror_ubuntu-zesty-kernel.git] / arch / arm64 / kernel / time.c

diff --git a/arch/arm64/kernel/time.c b/arch/arm64/kernel/time.c
index 03dc3718eb136d24db7295133709a4a9e92c21b5..29c39d5d77e31983d49ff2754b0413cd5bd48ff8 100644 (file)
--- a/arch/arm64/kernel/time.c
+++ b/arch/arm64/kernel/time.c
@@ -61,13 +61,6 @@ unsigned long profile_pc(struct pt_regs *regs)
 EXPORT_SYMBOL(profile_pc);
 #endif
 
-static u64 sched_clock_mult __read_mostly;
-
-unsigned long long notrace sched_clock(void)
-{
-       return arch_timer_read_counter() * sched_clock_mult;
-}
-
 void __init time_init(void)
 {
        u32 arch_timer_rate;
@@ -78,9 +71,6 @@ void __init time_init(void)
        if (!arch_timer_rate)
                panic("Unable to initialise architected timer.\n");
 
-       /* Cache the sched_clock multiplier to save a divide in the hot path. */
-       sched_clock_mult = NSEC_PER_SEC / arch_timer_rate;
-
        /* Calibrate the delay loop directly */
        lpj_fine = arch_timer_rate / HZ;
 }