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

[linux-2.6-block.git] / kernel / irq / chip.c

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 23958980189d830e955fbdfe3afae5e1aabd263e..f51b7b6d245177292bb3dbdc2ab25ebc7ddf42b2 100644 (file)
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -1000,7 +1000,7 @@ EXPORT_SYMBOL_GPL(irq_set_chip_and_handler_name);
 
 void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
 {
-       unsigned long flags;
+       unsigned long flags, trigger, tmp;
        struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0);
 
        if (!desc)
@@ -1014,6 +1014,8 @@ void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
 
        irq_settings_clr_and_set(desc, clr, set);
 
+       trigger = irqd_get_trigger_type(&desc->irq_data);
+
        irqd_clear(&desc->irq_data, IRQD_NO_BALANCING | IRQD_PER_CPU |
                   IRQD_TRIGGER_MASK | IRQD_LEVEL | IRQD_MOVE_PCNTXT);
        if (irq_settings_has_no_balance_set(desc))
@@ -1025,7 +1027,11 @@ void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
        if (irq_settings_is_level(desc))
                irqd_set(&desc->irq_data, IRQD_LEVEL);
 
-       irqd_set(&desc->irq_data, irq_settings_get_trigger_mask(desc));
+       tmp = irq_settings_get_trigger_mask(desc);
+       if (tmp != IRQ_TYPE_NONE)
+               trigger = tmp;
+
+       irqd_set(&desc->irq_data, trigger);
 
        irq_put_desc_unlock(desc, flags);
 }