genirq: Move IRQ_ONESHOT to core

No users outside of core.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

4 files changed, 7 insertions, 6 deletions

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 274590fc55a3..1a4c723e74e1 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -71,7 +71,6 @@ 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 */
 
 #define IRQF_MODIFY_MASK        \
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 075385549dcd..420fa6bdb117 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -472,7 +472,7 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
 
         handle_irq_event(desc);
 
-        if (!(desc->status & (IRQ_DISABLED | IRQ_ONESHOT)))
+        if (!(desc->status & IRQ_DISABLED) && !(desc->istate & IRQS_ONESHOT))
                 unmask_irq(desc);
 out_unlock:
         raw_spin_unlock(&desc->lock);
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index d1cb1f8df6fe..36563f731ff8 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -42,12 +42,14 @@ enum {
  *                                detection
  * IRQS_POLL_INPROGRESS         - polling in progress
  * IRQS_INPROGRESS              - Interrupt in progress
+ * IRQS_ONESHOT                 - irq is not unmasked in primary handler
  */
 enum {
         IRQS_AUTODETECT         = 0x00000001,
         IRQS_SPURIOUS_DISABLED  = 0x00000002,
         IRQS_POLL_INPROGRESS    = 0x00000008,
         IRQS_INPROGRESS         = 0x00000010,
+        IRQS_ONESHOT            = 0x00000020,
 };
 
 #define irq_data_to_desc(data)  container_of(data, struct irq_desc, irq_data)
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 7e5a50825088..aca4208a03ac 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -697,7 +697,7 @@ static int irq_thread(void *data)
         };
         struct irqaction *action = data;
         struct irq_desc *desc = irq_to_desc(action->irq);
-        int wake, oneshot = desc->status & IRQ_ONESHOT;
+        int wake, oneshot = desc->istate & IRQS_ONESHOT;
 
         sched_setscheduler(current, SCHED_FIFO, &param);
         current->irqaction = action;
@@ -897,12 +897,12 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
                         desc->status |= IRQ_PER_CPU;
 #endif
 
-                desc->status &= ~(IRQ_WAITING | IRQ_ONESHOT);
+                desc->status &= ~IRQ_WAITING;
                 desc->istate &= ~(IRQS_AUTODETECT | IRQS_SPURIOUS_DISABLED | \
-                                  IRQS_INPROGRESS);
+                                  IRQS_INPROGRESS | IRQS_ONESHOT);
 
                 if (new->flags & IRQF_ONESHOT)
-                        desc->status |= IRQ_ONESHOT;
+                        desc->istate |= IRQS_ONESHOT;
 
                 if (!(desc->status & IRQ_NOAUTOEN))
                         irq_startup(desc);