* IRQ's are in fact implemented a bit like signal handlers for the kernel.
* Naturally it's not a 1:1 relation, but there are similarities.
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/ptrace.h>
#include <linux/kernel_stat.h>
int ret;
spin_unlock(&irq_controller_lock);
- if (!(action->flags & SA_INTERRUPT))
+ if (!(action->flags & IRQF_DISABLED))
local_irq_enable();
status = 0;
action = action->next;
} while (action);
- if (status & SA_SAMPLE_RANDOM)
+ if (status & IRQF_SAMPLE_RANDOM)
add_interrupt_randomness(irq);
spin_lock_irq(&irq_controller_lock);
* so we have to be careful not to interfere with a
* running system.
*/
- if (new->flags & SA_SAMPLE_RANDOM) {
+ if (new->flags & IRQF_SAMPLE_RANDOM) {
/*
* This function might sleep, we want to call it first,
* outside of the atomic block.
p = &desc->action;
if ((old = *p) != NULL) {
/* Can't share interrupts unless both agree to */
- if (!(old->flags & new->flags & SA_SHIRQ)) {
+ if (!(old->flags & new->flags & IRQF_SHARED)) {
spin_unlock_irqrestore(&irq_controller_lock, flags);
return -EBUSY;
}
*
* Flags:
*
- * SA_SHIRQ Interrupt is shared
+ * IRQF_SHARED Interrupt is shared
*
- * SA_INTERRUPT Disable local interrupts while processing
+ * IRQF_DISABLED Disable local interrupts while processing
*
- * SA_SAMPLE_RANDOM The interrupt can be used for entropy
+ * IRQF_SAMPLE_RANDOM The interrupt can be used for entropy
*
*/
struct irqaction *action;
if (irq >= NR_IRQS || !irq_desc[irq].valid || !handler ||
- (irq_flags & SA_SHIRQ && !dev_id))
+ (irq_flags & IRQF_SHARED && !dev_id))
return -EINVAL;
- action = (struct irqaction *)kmalloc(sizeof(struct irqaction), GFP_KERNEL);
+ action = kmalloc(sizeof(struct irqaction), GFP_KERNEL);
if (!action)
return -ENOMEM;