| Message ID | 1343658732-31080-1-git-send-email-chris.smith@st.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index f1e2527..771cb35 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -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) {
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. Signed-off-by: Chris Smith <chris.smith@st.com> --- include/linux/irqdesc.h | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)