From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 2/5] clockevents: Add generic timer broadcast receiver
Date: Tue, 18 Dec 2012 14:17:11 -0800 [thread overview]
Message-ID: <50D0EB67.2060802@codeaurora.org> (raw)
In-Reply-To: <1355832418-31692-3-git-send-email-mark.rutland@arm.com>
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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next prev parent reply other threads:[~2012-12-18 22:17 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-18 12:06 [RFC PATCH 0/5] clockevents: decouple broadcast mechanism from drivers Mark Rutland
2012-12-18 12:06 ` [RFC PATCH 1/5] ARM: remove useless guard in smp.c Mark Rutland
2012-12-18 18:47 ` Stephen Boyd
2012-12-19 9:40 ` Mark Rutland
2012-12-21 10:02 ` Santosh Shilimkar
2013-01-02 11:14 ` Mark Rutland
2012-12-18 12:06 ` [RFC PATCH 2/5] clockevents: Add generic timer broadcast receiver Mark Rutland
2012-12-18 22:17 ` Stephen Boyd [this message]
2012-12-19 10:19 ` Mark Rutland
2012-12-21 10:02 ` Santosh Shilimkar
2013-01-02 10:59 ` Mark Rutland
2012-12-18 12:06 ` [RFC PATCH 3/5] ARM: Use generic timer broadcast receive Mark Rutland
2012-12-18 12:06 ` [RFC PATCH 4/5] clockevents: Add generic timer broadcast function Mark Rutland
2012-12-18 22:17 ` Stephen Boyd
2012-12-19 10:37 ` Mark Rutland
2012-12-18 12:06 ` [RFC PATCH 5/5] ARM: Add generic timer broadcast support Mark Rutland
2012-12-21 10:08 ` [RFC PATCH 0/5] clockevents: decouple broadcast mechanism from drivers Santosh Shilimkar
2013-01-02 11:41 ` Mark Rutland
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