Introduce helper function irq_data_get_affinity_mask() and
irq_get_affinity_mask() to hide implementation details,
so we could move field 'affinity' from struct irq_data into
struct irq_common_data later.
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
Acked-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
---
include/linux/irq.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 68874efe19d3..91fbf10bdae0 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -656,6 +656,18 @@ static inline int irq_data_get_node(struct irq_data *d)
return irq_common_data_get_node(d->common);
}
+static inline struct cpumask *irq_get_affinity_mask(int irq)
+{
+ struct irq_data *d = irq_get_irq_data(irq);
+
+ return d ? d->affinity : NULL;
+}
+
+static inline struct cpumask *irq_data_get_affinity_mask(struct irq_data *d)
+{
+ return d->affinity;
+}
+
unsigned int arch_dynirq_lower_bound(unsigned int from);
int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node,
--
1.7.10.4
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