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authorThomas Gleixner <tglx@linutronix.de>2011-02-07 15:02:10 -0500
committerThomas Gleixner <tglx@linutronix.de>2011-02-19 06:58:16 -0500
commit3d67baec7f1b01fc289ac1a2f1a7e6d5e43391c6 (patch)
treef496998278faa653174e185924acb0c74ac2e1b2 /kernel/irq
parent009b4c3b8ad584b3462734127a5bec680d5d6af4 (diff)
genirq: Move IRQ_ONESHOT to core
No users outside of core. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/irq')
-rw-r--r--kernel/irq/chip.c2
-rw-r--r--kernel/irq/internals.h2
-rw-r--r--kernel/irq/manage.c8
3 files changed, 7 insertions, 5 deletions
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)
472 472
473 handle_irq_event(desc); 473 handle_irq_event(desc);
474 474
475 if (!(desc->status & (IRQ_DISABLED | IRQ_ONESHOT))) 475 if (!(desc->status & IRQ_DISABLED) && !(desc->istate & IRQS_ONESHOT))
476 unmask_irq(desc); 476 unmask_irq(desc);
477out_unlock: 477out_unlock:
478 raw_spin_unlock(&desc->lock); 478 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 {
42 * detection 42 * detection
43 * IRQS_POLL_INPROGRESS - polling in progress 43 * IRQS_POLL_INPROGRESS - polling in progress
44 * IRQS_INPROGRESS - Interrupt in progress 44 * IRQS_INPROGRESS - Interrupt in progress
45 * IRQS_ONESHOT - irq is not unmasked in primary handler
45 */ 46 */
46enum { 47enum {
47 IRQS_AUTODETECT = 0x00000001, 48 IRQS_AUTODETECT = 0x00000001,
48 IRQS_SPURIOUS_DISABLED = 0x00000002, 49 IRQS_SPURIOUS_DISABLED = 0x00000002,
49 IRQS_POLL_INPROGRESS = 0x00000008, 50 IRQS_POLL_INPROGRESS = 0x00000008,
50 IRQS_INPROGRESS = 0x00000010, 51 IRQS_INPROGRESS = 0x00000010,
52 IRQS_ONESHOT = 0x00000020,
51}; 53};
52 54
53#define irq_data_to_desc(data) container_of(data, struct irq_desc, irq_data) 55#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)
697 }; 697 };
698 struct irqaction *action = data; 698 struct irqaction *action = data;
699 struct irq_desc *desc = irq_to_desc(action->irq); 699 struct irq_desc *desc = irq_to_desc(action->irq);
700 int wake, oneshot = desc->status & IRQ_ONESHOT; 700 int wake, oneshot = desc->istate & IRQS_ONESHOT;
701 701
702 sched_setscheduler(current, SCHED_FIFO, &param); 702 sched_setscheduler(current, SCHED_FIFO, &param);
703 current->irqaction = action; 703 current->irqaction = action;
@@ -897,12 +897,12 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
897 desc->status |= IRQ_PER_CPU; 897 desc->status |= IRQ_PER_CPU;
898#endif 898#endif
899 899
900 desc->status &= ~(IRQ_WAITING | IRQ_ONESHOT); 900 desc->status &= ~IRQ_WAITING;
901 desc->istate &= ~(IRQS_AUTODETECT | IRQS_SPURIOUS_DISABLED | \ 901 desc->istate &= ~(IRQS_AUTODETECT | IRQS_SPURIOUS_DISABLED | \
902 IRQS_INPROGRESS); 902 IRQS_INPROGRESS | IRQS_ONESHOT);
903 903
904 if (new->flags & IRQF_ONESHOT) 904 if (new->flags & IRQF_ONESHOT)
905 desc->status |= IRQ_ONESHOT; 905 desc->istate |= IRQS_ONESHOT;
906 906
907 if (!(desc->status & IRQ_NOAUTOEN)) 907 if (!(desc->status & IRQ_NOAUTOEN))
908 irq_startup(desc); 908 irq_startup(desc);