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genirq: Move IRQ_DISABLED to core

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Keep status in sync until all abusers are fixed.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
2011-02-07 22:11:30 +01:00
parent 163ef30911
commit c1594b77e4
9 changed files with 57 additions and 25 deletions
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48
kernel/irq/chip.c
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@@ -164,9 +164,21 @@ struct irq_data *irq_get_irq_data(unsigned int irq)
}
EXPORT_SYMBOL_GPL(irq_get_irq_data);
static void irq_state_clr_disabled(struct irq_desc *desc)
{
desc->istate &= ~IRQS_DISABLED;
irq_compat_clr_disabled(desc);
}
static void irq_state_set_disabled(struct irq_desc *desc)
{
desc->istate |= IRQS_DISABLED;
irq_compat_set_disabled(desc);
}
int irq_startup(struct irq_desc *desc)
{
desc->status &= ~IRQ_DISABLED;
irq_state_clr_disabled(desc);
desc->depth = 0;
if (desc->irq_data.chip->irq_startup) {
@@ -181,7 +193,7 @@ int irq_startup(struct irq_desc *desc)
void irq_shutdown(struct irq_desc *desc)
{
desc->status |= IRQ_DISABLED;
irq_state_set_disabled(desc);
desc->depth = 1;
if (desc->irq_data.chip->irq_shutdown)
desc->irq_data.chip->irq_shutdown(&desc->irq_data);
@@ -194,7 +206,7 @@ void irq_shutdown(struct irq_desc *desc)
void irq_enable(struct irq_desc *desc)
{
desc->status &= ~IRQ_DISABLED;
irq_state_clr_disabled(desc);
if (desc->irq_data.chip->irq_enable)
desc->irq_data.chip->irq_enable(&desc->irq_data);
else
@@ -204,7 +216,7 @@ void irq_enable(struct irq_desc *desc)
void irq_disable(struct irq_desc *desc)
{
desc->status |= IRQ_DISABLED;
irq_state_set_disabled(desc);
if (desc->irq_data.chip->irq_disable) {
desc->irq_data.chip->irq_disable(&desc->irq_data);
desc->status |= IRQ_MASKED;
@@ -380,7 +392,7 @@ void handle_nested_irq(unsigned int irq)
kstat_incr_irqs_this_cpu(irq, desc);
action = desc->action;
if (unlikely(!action || (desc->status & IRQ_DISABLED)))
if (unlikely(!action || (desc->istate & IRQS_DISABLED)))
goto out_unlock;
irq_compat_set_progress(desc);
@@ -431,7 +443,7 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc)
desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING);
kstat_incr_irqs_this_cpu(irq, desc);
if (unlikely(!desc->action || (desc->status & IRQ_DISABLED)))
if (unlikely(!desc->action || (desc->istate & IRQS_DISABLED)))
goto out_unlock;
handle_irq_event(desc);
@@ -467,12 +479,12 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
* If its disabled or no action available
* keep it masked and get out of here
*/
if (unlikely(!desc->action || (desc->status & IRQ_DISABLED)))
if (unlikely(!desc->action || (desc->istate & IRQS_DISABLED)))
goto out_unlock;
handle_irq_event(desc);
if (!(desc->status & IRQ_DISABLED) && !(desc->istate & IRQS_ONESHOT))
if (!(desc->istate & (IRQS_DISABLED | IRQS_ONESHOT)))
unmask_irq(desc);
out_unlock:
raw_spin_unlock(&desc->lock);
@@ -505,7 +517,7 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
* If its disabled or no action available
* then mask it and get out of here:
*/
if (unlikely(!desc->action || (desc->status & IRQ_DISABLED))) {
if (unlikely(!desc->action || (desc->istate & IRQS_DISABLED))) {
desc->status |= IRQ_PENDING;
mask_irq(desc);
goto out;
@@ -543,8 +555,8 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
* we shouldn't process the IRQ. Mark it pending, handle
* the necessary masking and go out
*/
if (unlikely((desc->istate & (IRQS_INPROGRESS) ||
(desc->status & IRQ_DISABLED) || !desc->action))) {
if (unlikely((desc->istate & (IRQS_DISABLED | IRQS_INPROGRESS) ||
!desc->action))) {
if (!irq_check_poll(desc)) {
desc->status |= IRQ_PENDING;
mask_ack_irq(desc);
@@ -567,15 +579,16 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
* one, we could have masked the irq.
* Renable it, if it was not disabled in meantime.
*/
if (unlikely((desc->status &
(IRQ_PENDING | IRQ_MASKED | IRQ_DISABLED)) ==
(IRQ_PENDING | IRQ_MASKED))) {
unmask_irq(desc);
if (unlikely(desc->status & IRQ_PENDING)) {
if (!(desc->istate & IRQS_DISABLED) &&
(desc->status & IRQ_MASKED))
unmask_irq(desc);
}
handle_irq_event(desc);
} while ((desc->status & (IRQ_PENDING | IRQ_DISABLED)) == IRQ_PENDING);
} while ((desc->status & IRQ_PENDING) &&
!(desc->istate & IRQS_DISABLED));
out_unlock:
raw_spin_unlock(&desc->lock);
@@ -639,7 +652,8 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
if (handle == handle_bad_irq) {
if (desc->irq_data.chip != &no_irq_chip)
mask_ack_irq(desc);
desc->status |= IRQ_DISABLED;
irq_compat_set_disabled(desc);
desc->istate |= IRQS_DISABLED;
desc->depth = 1;
}
desc->handle_irq = handle;