Commit 2868c034 authored Aug 10, 2012 by Chris Smith Committed by Stephen Boyd Jul 08, 2013

genirq: Provide an accessor for IRQ_PER_CPU flag



Adds an accessor function, irq_is_per_cpu(), for the flag IRQ_PER_CPU.

This is useful if you have an IRQ that is per-cpu in some hardware
implementations, and not in others (example: ARM PMU Interrupts), and
you want to handle both cases.

Change-Id: Ic176ee5b8f9a830c1db35cb939ec659a4cf3f938
Signed-off-by: Chris Smith <chris.smith@st.com>
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>

parent 6c021839

include/linux/irqdesc.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -154,6 +154,14 @@ static inline int irq_balancing_disabled(unsigned int irq)
		return desc->status_use_accessors & IRQ_NO_BALANCING_MASK;
		}

		static inline int irq_is_per_cpu(unsigned int irq)
		{
		struct irq_desc *desc;

		desc = irq_to_desc(irq);
		return desc->status_use_accessors & IRQ_PER_CPU;
		}

		static inline void
		irq_set_lockdep_class(unsigned int irq, struct lock_class_key *class)
		{