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authorIngo Molnar <mingo@kernel.org>2013-10-10 00:25:23 -0400
committerIngo Molnar <mingo@kernel.org>2013-10-10 00:25:23 -0400
commit8a749de5e32d2b72def93f7bd7a2745580d75872 (patch)
treee46d9059d0328bcb2faea1c084d17f749338cfe4 /arch/arm
parenta44eb870f815356dac56adf3a380ee9b94787424 (diff)
parentb4042ceaabbd913bc5b397ddd1e396eeb312d72f (diff)
Merge branch 'fortglx/3.13/time' of git://git.linaro.org/people/jstultz/linux into timers/core
Pull more timekeeping items for v3.13 from John Stultz: * Small cleanup in the clocksource code. * Fix for rtc-pl031 to let it work with alarmtimers. * Move arm64 to using the generic sched_clock framework & resulting cleanup in the generic sched_clock code. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/kernel/arch_timer.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/arch/arm/kernel/arch_timer.c b/arch/arm/kernel/arch_timer.c
index 221f07b11ccb..1791f12c180b 100644
--- a/arch/arm/kernel/arch_timer.c
+++ b/arch/arm/kernel/arch_timer.c
@@ -11,7 +11,6 @@
11#include <linux/init.h> 11#include <linux/init.h>
12#include <linux/types.h> 12#include <linux/types.h>
13#include <linux/errno.h> 13#include <linux/errno.h>
14#include <linux/sched_clock.h>
15 14
16#include <asm/delay.h> 15#include <asm/delay.h>
17 16
@@ -22,13 +21,6 @@ static unsigned long arch_timer_read_counter_long(void)
22 return arch_timer_read_counter(); 21 return arch_timer_read_counter();
23} 22}
24 23
25static u32 sched_clock_mult __read_mostly;
26
27static unsigned long long notrace arch_timer_sched_clock(void)
28{
29 return arch_timer_read_counter() * sched_clock_mult;
30}
31
32static struct delay_timer arch_delay_timer; 24static struct delay_timer arch_delay_timer;
33 25
34static void __init arch_timer_delay_timer_register(void) 26static void __init arch_timer_delay_timer_register(void)
@@ -48,11 +40,5 @@ int __init arch_timer_arch_init(void)
48 40
49 arch_timer_delay_timer_register(); 41 arch_timer_delay_timer_register();
50 42
51 /* Cache the sched_clock multiplier to save a divide in the hot path. */
52 sched_clock_mult = NSEC_PER_SEC / arch_timer_rate;
53 sched_clock_func = arch_timer_sched_clock;
54 pr_info("sched_clock: ARM arch timer >56 bits at %ukHz, resolution %uns\n",
55 arch_timer_rate / 1000, sched_clock_mult);
56
57 return 0; 43 return 0;
58} 44}