genirq: Support per-IRQ thread disabling.

[pandora-kernel.git] / include / linux / irq.h

diff --git a/include/linux/irq.h b/include/linux/irq.h
index a71dd18..39c2378 100644 (file)
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -59,6 +59,7 @@ typedef       void (*irq_preflow_handler_t)(struct irq_data *data);
  * IRQ_NOPROBE                 - Interrupt cannot be probed by autoprobing
  * IRQ_NOREQUEST               - Interrupt cannot be requested via
  *                               request_irq()
+ * IRQ_NOTHREAD                        - Interrupt cannot be threaded
  * IRQ_NOAUTOEN                        - Interrupt is not automatically enabled in
  *                               request/setup_irq()
  * IRQ_NO_BALANCING            - Interrupt cannot be balanced (affinity set)
@@ -85,6 +86,7 @@ enum {
        IRQ_NO_BALANCING        = (1 << 13),
        IRQ_MOVE_PCNTXT         = (1 << 14),
        IRQ_NESTED_THREAD       = (1 << 15),
+       IRQ_NOTHREAD            = (1 << 16),
 };
 
 #define IRQF_MODIFY_MASK       \
@@ -422,7 +424,7 @@ irq_set_handler(unsigned int irq, irq_flow_handler_t handle)
 /*
  * Set a highlevel chained flow handler for a given IRQ.
  * (a chained handler is automatically enabled and set to
- *  IRQ_NOREQUEST and IRQ_NOPROBE)
+ *  IRQ_NOREQUEST, IRQ_NOPROBE, and IRQ_NOTHREAD)
  */
 static inline void
 irq_set_chained_handler(unsigned int irq, irq_flow_handler_t handle)
@@ -452,6 +454,16 @@ static inline void irq_set_probe(unsigned int irq)
        irq_modify_status(irq, IRQ_NOPROBE, 0);
 }
 
+static inline void irq_set_nothread(unsigned int irq)
+{
+       irq_modify_status(irq, 0, IRQ_NOTHREAD);
+}
+
+static inline void irq_set_thread(unsigned int irq)
+{
+       irq_modify_status(irq, IRQ_NOTHREAD, 0);
+}
+
 static inline void irq_set_nested_thread(unsigned int irq, bool nest)
 {
        if (nest)