summaryrefslogtreecommitdiff
path: root/arch/arm
diff options
context:
space:
mode:
authorMark Rutland <mark.rutland@arm.com>2012-10-30 12:13:42 +0000
committerMark Rutland <mark.rutland@arm.com>2013-02-01 09:14:02 +0000
commit3d06770eef43eaad606e77246bfcc7e82b1d9fb4 (patch)
treed79692eb324c0c18e425576e7a93ad05c4834272 /arch/arm
parente2c501190c7d4bf9d7febb9e1f1094cbde59ed89 (diff)
arm: Add generic timer broadcast support
Implement timer_broadcast for the arm architecture, allowing for the use of clock_event_device_drivers decoupled from the timer tick broadcast mechanism. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/kernel/smp.c3
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 67874b82a4ed..65ae7375c6c1 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -4,6 +4,7 @@ config ARM
select ARCH_BINFMT_ELF_RANDOMIZE_PIE
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select ARCH_HAVE_CUSTOM_GPIO_H
+ select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_WANT_IPC_PARSE_VERSION
select BUILDTIME_EXTABLE_SORT if MMU
select CPU_PM if (SUSPEND || CPU_IDLE)
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 930851912b37..b7e3b506219b 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -476,7 +476,7 @@ u64 smp_irq_stat_cpu(unsigned int cpu)
static DEFINE_PER_CPU(struct clock_event_device, percpu_clockevent);
#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
-static void smp_timer_broadcast(const struct cpumask *mask)
+void tick_broadcast(const struct cpumask *mask)
{
smp_cross_call(mask, IPI_TIMER);
}
@@ -524,7 +524,6 @@ static void __cpuinit percpu_timer_setup(void)
struct clock_event_device *evt = &per_cpu(percpu_clockevent, cpu);
evt->cpumask = cpumask_of(cpu);
- evt->broadcast = smp_timer_broadcast;
if (!lt_ops || lt_ops->setup(evt))
broadcast_timer_setup(evt);