X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Farm26%2Fkernel%2Firq.c;h=d53382c83bf9fdb05ddfb66122313bfda0e9268a;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=7869d1b2262182563c025f02437a1cdf4f4e6672;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git

diff --git a/arch/arm26/kernel/irq.c b/arch/arm26/kernel/irq.c
index 7869d1b22..d53382c83 100644
--- a/arch/arm26/kernel/irq.c
+++ b/arch/arm26/kernel/irq.c
@@ -18,7 +18,6 @@
  *  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>
@@ -50,7 +49,7 @@ void __init arc_init_irq(void);
 #define MAX_IRQ_CNT	100000
 
 static volatile unsigned long irq_err_count;
-static spinlock_t irq_controller_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(irq_controller_lock);
 
 struct irqdesc irq_desc[NR_IRQS];
 
@@ -141,7 +140,7 @@ int show_interrupts(struct seq_file *p, void *v)
 	if (i < NR_IRQS) {
 	    	action = irq_desc[i].action;
 		if (!action)
-			continue;
+			goto out;
 		seq_printf(p, "%3d: %10u ", i, kstat_irqs(i));
 		seq_printf(p, "  %s", action->name);
 		for (action = action->next; action; action = action->next) {
@@ -152,6 +151,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		show_fiq_list(p, v);
 		seq_printf(p, "Err: %10lu\n", irq_err_count);
 	}
+out:
 	return 0;
 }
 
@@ -187,19 +187,21 @@ static void
 __do_irq(unsigned int irq, struct irqaction *action, struct pt_regs *regs)
 {
 	unsigned int status;
+	int ret;
 
 	spin_unlock(&irq_controller_lock);
-	if (!(action->flags & SA_INTERRUPT))
+	if (!(action->flags & IRQF_DISABLED))
 		local_irq_enable();
 
 	status = 0;
 	do {
-		status |= action->flags;
-		action->handler(irq, action->dev_id, regs);
+		ret = action->handler(irq, action->dev_id, regs);
+		if (ret == IRQ_HANDLED)
+			status |= action->flags;
 		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);
@@ -449,7 +451,7 @@ int setup_irq(unsigned int irq, struct irqaction *new)
 	 * 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.
@@ -469,7 +471,7 @@ int setup_irq(unsigned int irq, struct irqaction *new)
 	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;
 		}
@@ -524,11 +526,11 @@ int setup_irq(unsigned int irq, struct irqaction *new)
  *
  *	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
  *
  */
 
@@ -540,10 +542,10 @@ int request_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_
 	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;