[RFC PATCH 2/5] clockevents: Add generic timer broadcast receiver
Stephen Boyd
sboyd at codeaurora.org
Tue Dec 18 17:17:11 EST 2012
On 12/18/12 04:06, Mark Rutland wrote:
> diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
> index f113755..c2dd022 100644
> --- a/kernel/time/tick-broadcast.c
> +++ b/kernel/time/tick-broadcast.c
> @@ -125,6 +125,21 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu)
> return ret;
> }
>
> +int tick_receive_broadcast(void)
> +{
> + struct tick_device *td = this_cpu_ptr(&tick_cpu_device);
> + struct clock_event_device *evt = td->evtdev;
> +
> + if (!evt)
> + return -ENODEV;
> +
> + if (!evt->event_handler)
> + return -EINVAL;
> +
Does this actually happen? It's not obvious to me how it does.
> + evt->event_handler(evt);
> + return 0;
> +}
> +
> /*
> * Broadcast the event to the cpus, which are set in the mask (mangled).
> */
--
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