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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-05-17 18:00:47 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-05-17 18:11:35 +0200 |
| commit | ee348d5a1d810bc9958cabb7c27302aab235d36e (patch) | |
| tree | df19c637b2884e16fdc8132a9c4a1d0e44b44b4c /arch/arm/mach-realview | |
| parent | [ARM] realview: remove useless smp_cross_call_done() (diff) | |
| download | linux-ee348d5a1d810bc9958cabb7c27302aab235d36e.tar.xz linux-ee348d5a1d810bc9958cabb7c27302aab235d36e.zip | |
[ARM] realview: fix broadcast tick support
Having discussed broadcast tick support with Thomas Glexiner, the
broadcast tick devices should be registered with a higher rating
than the global tick device, and it should have the ONESHOT and
PERIODIC feature flags set.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Thomas Glexiner <tglx@linutronix.de>
Diffstat (limited to 'arch/arm/mach-realview')
| -rw-r--r-- | arch/arm/mach-realview/core.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-realview/localtimer.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-realview/platsmp.c | 6 |
3 files changed, 6 insertions, 14 deletions
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 942e1a7eb9b2..076acbc50706 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -750,14 +750,6 @@ void __init realview_timer_init(unsigned int timer_irq) { u32 val; -#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST - /* - * The dummy clock device has to be registered before the main device - * so that the latter will broadcast the clock events - */ - local_timer_setup(); -#endif - /* * set clock frequency: * REALVIEW_REFCLK is 32KHz diff --git a/arch/arm/mach-realview/localtimer.c b/arch/arm/mach-realview/localtimer.c index d0d39adf6407..1c01d13460f0 100644 --- a/arch/arm/mach-realview/localtimer.c +++ b/arch/arm/mach-realview/localtimer.c @@ -189,8 +189,10 @@ void __cpuinit local_timer_setup(void) struct clock_event_device *clk = &per_cpu(local_clockevent, cpu); clk->name = "dummy_timer"; - clk->features = CLOCK_EVT_FEAT_DUMMY; - clk->rating = 200; + clk->features = CLOCK_EVT_FEAT_ONESHOT | + CLOCK_EVT_FEAT_PERIODIC | + CLOCK_EVT_FEAT_DUMMY; + clk->rating = 400; clk->mult = 1; clk->set_mode = dummy_timer_set_mode; clk->broadcast = smp_timer_broadcast; diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c index b037fd6c82dc..30a9c68591f6 100644 --- a/arch/arm/mach-realview/platsmp.c +++ b/arch/arm/mach-realview/platsmp.c @@ -217,11 +217,9 @@ void __init smp_prepare_cpus(unsigned int max_cpus) if (max_cpus > ncores) max_cpus = ncores; -#ifdef CONFIG_LOCAL_TIMERS +#if defined(CONFIG_LOCAL_TIMERS) || defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) /* - * Enable the local timer for primary CPU. If the device is - * dummy (!CONFIG_LOCAL_TIMERS), it was already registers in - * realview_timer_init + * Enable the local timer or broadcast device for the boot CPU. */ local_timer_setup(); #endif |