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authorVarun Swara <Varun.Swara@arm.com>2009-12-09 10:02:19 (GMT)
committerCatalin Marinas <catalin.marinas@arm.com>2009-12-09 13:19:31 (GMT)
commit10b496832efa046ab9222a8cf132681730886db3 (patch)
treec67b888054f0f1d558506e103eea463decad9846 /arch/arm/kernel
parent93fd03a8c6728b58879f8af20ffd55d9c32a778b (diff)
downloadlinux-10b496832efa046ab9222a8cf132681730886db3.tar.xz
ARM: Do not allow the probing of the local timer
Since this IRQ descriptor doesn't have an action registered, it is allowed for probing via probe_irq_on/off() and it will be disabled by the latter function. This patch sets the IRQ_NOPROBE status bit for the local timer descriptor. Signed-off-by: Varun Swara <Varun.Swara@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/smp_twd.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index a73a34d..ea02a7b 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -160,6 +160,7 @@ void __cpuinit twd_timer_setup(struct clock_event_device *clk)
/* Make sure our local interrupt controller has this enabled */
local_irq_save(flags);
+ irq_to_desc(clk->irq)->status |= IRQ_NOPROBE;
get_irq_chip(clk->irq)->unmask(clk->irq);
local_irq_restore(flags);