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authorMark Rutland <mark.rutland@arm.com>2013-01-14 17:05:22 +0000
committerThomas Gleixner <tglx@linutronix.de>2013-01-31 22:15:36 +0100
commit12ad10004645d38356b14d1fbba379c523a61916 (patch)
treefe8b798176191c681c6b2fa1c81aa55dc98568dc /kernel/time/Kconfig
parent12572dbb53638c6e454ef831c8fee7de3df24389 (diff)
downloadvexpress-lsk-12ad10004645d38356b14d1fbba379c523a61916.tar.gz
clockevents: Add generic timer broadcast function
Currently, the timer broadcast mechanism is defined by a function pointer on struct clock_event_device. As the fundamental mechanism for broadcast is architecture-specific, this means that clock_event_device drivers cannot be shared across multiple architectures. This patch adds an (optional) architecture-specific function for timer tick broadcast, allowing drivers which may require broadcast functionality to be shared across multiple architectures. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Cc: linux-arm-kernel@lists.infradead.org Cc: nico@linaro.org Cc: Will.Deacon@arm.com Cc: Marc.Zyngier@arm.com Cc: john.stultz@linaro.org Link: http://lkml.kernel.org/r/1358183124-28461-3-git-send-email-mark.rutland@arm.com Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/time/Kconfig')
-rw-r--r--kernel/time/Kconfig4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig
index 8601f0db126..b69692250af 100644
--- a/kernel/time/Kconfig
+++ b/kernel/time/Kconfig
@@ -38,6 +38,10 @@ config GENERIC_CLOCKEVENTS_BUILD
default y
depends on GENERIC_CLOCKEVENTS
+# Architecture can handle broadcast in a driver-agnostic way
+config ARCH_HAS_TICK_BROADCAST
+ bool
+
# Clockevents broadcasting infrastructure
config GENERIC_CLOCKEVENTS_BROADCAST
bool