arch_timer: Move to generic sched_clock framework

[mirror_ubuntu-zesty-kernel.git] / arch / arm / kernel / arch_timer.c

diff --git a/arch/arm/kernel/arch_timer.c b/arch/arm/kernel/arch_timer.c
index 221f07b11ccb0ad4c79cdcbb65072ffb2b822b0a..1791f12c180bbe3264bc6c48849f1f6ed4aaecde 100644 (file)
--- a/arch/arm/kernel/arch_timer.c
+++ b/arch/arm/kernel/arch_timer.c
@@ -11,7 +11,6 @@
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/errno.h>
-#include <linux/sched_clock.h>
 
 #include <asm/delay.h>
 
@@ -22,13 +21,6 @@ static unsigned long arch_timer_read_counter_long(void)
        return arch_timer_read_counter();
 }
 
-static u32 sched_clock_mult __read_mostly;
-
-static unsigned long long notrace arch_timer_sched_clock(void)
-{
-       return arch_timer_read_counter() * sched_clock_mult;
-}
-
 static struct delay_timer arch_delay_timer;
 
 static void __init arch_timer_delay_timer_register(void)
@@ -48,11 +40,5 @@ int __init arch_timer_arch_init(void)
 
        arch_timer_delay_timer_register();
 
-       /* Cache the sched_clock multiplier to save a divide in the hot path. */
-       sched_clock_mult = NSEC_PER_SEC / arch_timer_rate;
-       sched_clock_func = arch_timer_sched_clock;
-       pr_info("sched_clock: ARM arch timer >56 bits at %ukHz, resolution %uns\n",
-               arch_timer_rate / 1000, sched_clock_mult);
-
        return 0;
 }