Merge branch 'irq-threaded-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'irq-threaded-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  genirq: Do not mask oneshot edge type interrupts
  genirq: Support nested threaded irq handling
  genirq: Add buslock support
  genirq: Add oneshot support

1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 9e9eb76faf81..ae9653dbcd78 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -69,6 +69,8 @@ typedef	void (*irq_flow_handler_t)(unsigned int irq,
 #define IRQ_MOVE_PCNTXT         0x01000000      /* IRQ migration from process context */
 #define IRQ_AFFINITY_SET        0x02000000      /* IRQ affinity was set from userspace*/
 #define IRQ_SUSPENDED           0x04000000      /* IRQ has gone through suspend sequence */
+#define IRQ_ONESHOT             0x08000000      /* IRQ is not unmasked after hardirq */
+#define IRQ_NESTED_THREAD       0x10000000      /* IRQ is nested into another, no own handler thread */
 
 #ifdef CONFIG_IRQ_PER_CPU
 # define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU)
@@ -100,6 +102,9 @@ struct msi_desc;
  * @set_type:           set the flow type (IRQ_TYPE_LEVEL/etc.) of an IRQ
  * @set_wake:           enable/disable power-management wake-on of an IRQ
  *
+ * @bus_lock:           function to lock access to slow bus (i2c) chips
+ * @bus_sync_unlock:    function to sync and unlock slow bus (i2c) chips
+ *
  * @release:            release function solely used by UML
  * @typename:           obsoleted by name, kept as migration helper
  */
@@ -123,6 +128,9 @@ struct irq_chip {
         int             (*set_type)(unsigned int irq, unsigned int flow_type);
         int             (*set_wake)(unsigned int irq, unsigned int on);
 
+        void            (*bus_lock)(unsigned int irq);
+        void            (*bus_sync_unlock)(unsigned int irq);
+
         /* Currently used only by UML, might disappear one day.*/
 #ifdef CONFIG_IRQ_RELEASE_METHOD
         void            (*release)(unsigned int irq, void *dev_id);
@@ -373,6 +381,8 @@ set_irq_chained_handler(unsigned int irq,
         __set_irq_handler(irq, handle, 1, NULL);
 }
 
+extern void set_irq_nested_thread(unsigned int irq, int nest);
+
 extern void set_irq_noprobe(unsigned int irq);
 extern void set_irq_probe(unsigned int irq);