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authorJohn Stultz <johnstul@us.ibm.com>2010-04-26 22:03:05 -0400
committerJohn Stultz <john.stultz@linaro.org>2011-02-21 16:33:33 -0500
commitb01cc1b0eae0dea19257b29347116505fbedf679 (patch)
treee9666f32ab07306eca45ff8647eb09338a0cb697 /arch/x86/xen/time.c
parent36d8593ec74dc04d3bd7c1c897a7b7cfbd0b0dc6 (diff)
x86: Convert remaining x86 clocksources to clocksource_register_hz/khz
This converts the remaining x86 clocksources to use clocksource_register_hz/khz. CC: jacob.jun.pan@intel.com CC: Glauber Costa <glommer@redhat.com> CC: Dimitri Sivanich <sivanich@sgi.com> CC: Rusty Russell <rusty@rustcorp.com.au> CC: Jeremy Fitzhardinge <jeremy@xensource.com> CC: Chris McDermott <lcm@us.ibm.com> CC: Thomas Gleixner <tglx@linutronix.de> Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> [xen] Signed-off-by: John Stultz <johnstul@us.ibm.com>
Diffstat (limited to 'arch/x86/xen/time.c')
-rw-r--r--arch/x86/xen/time.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 067759e3d6a5..04e11597a8c5 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -26,8 +26,6 @@
26 26
27#include "xen-ops.h" 27#include "xen-ops.h"
28 28
29#define XEN_SHIFT 22
30
31/* Xen may fire a timer up to this many ns early */ 29/* Xen may fire a timer up to this many ns early */
32#define TIMER_SLOP 100000 30#define TIMER_SLOP 100000
33#define NS_PER_TICK (1000000000LL / HZ) 31#define NS_PER_TICK (1000000000LL / HZ)
@@ -211,8 +209,6 @@ static struct clocksource xen_clocksource __read_mostly = {
211 .rating = 400, 209 .rating = 400,
212 .read = xen_clocksource_get_cycles, 210 .read = xen_clocksource_get_cycles,
213 .mask = ~0, 211 .mask = ~0,
214 .mult = 1<<XEN_SHIFT, /* time directly in nanoseconds */
215 .shift = XEN_SHIFT,
216 .flags = CLOCK_SOURCE_IS_CONTINUOUS, 212 .flags = CLOCK_SOURCE_IS_CONTINUOUS,
217}; 213};
218 214
@@ -446,7 +442,7 @@ static __init void xen_time_init(void)
446 int cpu = smp_processor_id(); 442 int cpu = smp_processor_id();
447 struct timespec tp; 443 struct timespec tp;
448 444
449 clocksource_register(&xen_clocksource); 445 clocksource_register_hz(&xen_clocksource, NSEC_PER_SEC);
450 446
451 if (HYPERVISOR_vcpu_op(VCPUOP_stop_periodic_timer, cpu, NULL) == 0) { 447 if (HYPERVISOR_vcpu_op(VCPUOP_stop_periodic_timer, cpu, NULL) == 0) {
452 /* Successfully turned off 100Hz tick, so we have the 448 /* Successfully turned off 100Hz tick, so we have the