[PATCH 04/27] clocksource/arm_arch_timer: Use timecounter_initialize interface
Sagar Arun Kamble
sagar.a.kamble at intel.com
Thu Dec 14 23:38:19 PST 2017
With new interface timecounter_initialize we can initialize timecounter
fields and underlying cyclecounter together. Update arch_timer_kvm_info
timecounter init with this new function.
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble at intel.com>
Cc: Richard Cochran <richardcochran at gmail.com>
Cc: Mark Rutland <mark.rutland at arm.com>
Cc: Marc Zyngier <marc.zyngier at arm.com>
Cc: Daniel Lezcano <daniel.lezcano at linaro.org>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-kernel at vger.kernel.org
---
drivers/clocksource/arm_arch_timer.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index 31543e5..d96393f 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -910,10 +910,7 @@ static u64 arch_counter_get_cntvct_mem(void)
return ((u64) vct_hi << 32) | vct_lo;
}
-static struct arch_timer_kvm_info arch_timer_kvm_info = {
- .timecounter.cc.read = arch_counter_read_cc,
- .timecounter.cc.mask = CLOCKSOURCE_MASK(56),
-};
+static struct arch_timer_kvm_info arch_timer_kvm_info;
struct arch_timer_kvm_info *arch_timer_get_kvm_info(void)
{
@@ -923,7 +920,6 @@ struct arch_timer_kvm_info *arch_timer_get_kvm_info(void)
static void __init arch_counter_register(unsigned type)
{
u64 start_count;
- struct cyclecounter *cc = &arch_timer_kvm_info.timecounter.cc;
/* Register the CP15 based counter if we have one */
if (type & ARCH_TIMER_TYPE_CP15) {
@@ -943,9 +939,12 @@ static void __init arch_counter_register(unsigned type)
start_count = arch_timer_read_counter();
clocksource_register_hz(&clocksource_counter, arch_timer_rate);
- cc->mult = clocksource_counter.mult;
- cc->shift = clocksource_counter.shift;
- timecounter_init(&arch_timer_kvm_info.timecounter, start_count);
+ timecounter_initialize(&arch_timer_kvm_info.timecounter,
+ arch_counter_read_cc,
+ CLOCKSOURCE_MASK(56),
+ clocksource_counter.mult,
+ clocksource_counter.shift,
+ start_count);
/* 56 bits minimum, so we assume worst case rollover */
sched_clock_register(arch_timer_read_counter, 56, arch_timer_rate);
--
1.9.1
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