data->chip = chip;
}
+bool irq_check_status_bit(unsigned int irq, unsigned int bitmask);
+
static inline bool irq_balancing_disabled(unsigned int irq)
{
- struct irq_desc *desc;
-
- desc = irq_to_desc(irq);
- return desc->status_use_accessors & IRQ_NO_BALANCING_MASK;
+ return irq_check_status_bit(irq, IRQ_NO_BALANCING_MASK);
}
static inline bool irq_is_percpu(unsigned int irq)
{
- struct irq_desc *desc;
-
- desc = irq_to_desc(irq);
- return desc->status_use_accessors & IRQ_PER_CPU;
+ return irq_check_status_bit(irq, IRQ_PER_CPU);
}
static inline bool irq_is_percpu_devid(unsigned int irq)
{
- struct irq_desc *desc;
-
- desc = irq_to_desc(irq);
- return desc->status_use_accessors & IRQ_PER_CPU_DEVID;
+ return irq_check_status_bit(irq, IRQ_PER_CPU_DEVID);
}
static inline void
return res;
}
EXPORT_SYMBOL_GPL(irq_has_action);
+
+/**
+ * irq_check_status_bit - Check whether bits in the irq descriptor status are set
+ * @irq: The linux irq number
+ * @bitmask: The bitmask to evaluate
+ *
+ * Returns: True if one of the bits in @bitmask is set
+ */
+bool irq_check_status_bit(unsigned int irq, unsigned int bitmask)
+{
+ struct irq_desc *desc;
+ bool res = false;
+
+ rcu_read_lock();
+ desc = irq_to_desc(irq);
+ if (desc)
+ res = !!(desc->status_use_accessors & bitmask);
+ rcu_read_unlock();
+ return res;
+}