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-rw-r--r--arch/m68k/kernel/ints.c297
1 files changed, 0 insertions, 297 deletions
diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index cea439f..e2b056b 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -31,20 +31,6 @@ extern u32 auto_irqhandler_fixup[];
extern u32 user_irqhandler_fixup[];
extern u16 user_irqvec_fixup[];
-#ifndef CONFIG_GENERIC_HARDIRQS
-/* table for system interrupt handlers */
-static struct irq_data *irq_list[NR_IRQS];
-static struct irq_chip *irq_chip[NR_IRQS];
-static int irq_depth[NR_IRQS];
-
-static inline int irq_set_chip(unsigned int irq, struct irq_chip *chip)
-{
- irq_chip[irq] = chip;
- return 0;
-}
-#define irq_set_chip_and_handler(irq, chip, dummy) irq_set_chip(irq, chip)
-#endif /* !CONFIG_GENERIC_HARDIRQS */
-
static int m68k_first_user_vec;
static struct irq_chip auto_irq_chip = {
@@ -59,11 +45,6 @@ static struct irq_chip user_irq_chip = {
.irq_shutdown = m68k_irq_shutdown,
};
-#ifndef CONFIG_GENERIC_HARDIRQS
-#define NUM_IRQ_NODES 100
-static struct irq_data nodes[NUM_IRQ_NODES];
-#endif /* !CONFIG_GENERIC_HARDIRQS */
-
/*
* void init_IRQ(void)
*
@@ -133,8 +114,6 @@ void __init m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
flush_icache();
}
-#ifdef CONFIG_GENERIC_HARDIRQS
-
/**
* m68k_setup_irq_controller
* @chip: irq chip which controls specified irq
@@ -160,198 +139,6 @@ void m68k_setup_irq_controller(struct irq_chip *chip,
}
}
-#else /* !CONFIG_GENERIC_HARDIRQS */
-
-/**
- * m68k_setup_irq_chip
- * @contr: irq controller which controls specified irq
- * @irq: first irq to be managed by the controller
- *
- * Change the controller for the specified range of irq, which will be used to
- * manage these irq. auto/user irq already have a default controller, which can
- * be changed as well, but the controller probably should use m68k_irq_startup/
- * m68k_irq_shutdown.
- */
-void m68k_setup_irq_chip(struct irq_chip *contr, unsigned int irq,
- unsigned int cnt)
-{
- int i;
-
- for (i = 0; i < cnt; i++)
- irq_set_chip(irq + i, contr);
-}
-
-struct irq_data *new_irq_node(void)
-{
- struct irq_data *node;
- short i;
-
- for (node = nodes, i = NUM_IRQ_NODES-1; i >= 0; node++, i--) {
- if (!node->handler) {
- memset(node, 0, sizeof(*node));
- return node;
- }
- }
-
- printk ("new_irq_node: out of nodes\n");
- return NULL;
-}
-
-static int m68k_setup_irq(unsigned int irq, struct irq_data *node)
-{
- struct irq_chip *contr;
- struct irq_data **prev;
- unsigned long flags;
-
- if (irq >= NR_IRQS || !(contr = irq_chip[irq])) {
- printk("%s: Incorrect IRQ %d from %s\n",
- __func__, irq, node->devname);
- return -ENXIO;
- }
-
- local_irq_save(flags);
-
- prev = irq_list + irq;
- if (*prev) {
- /* Can't share interrupts unless both agree to */
- if (!((*prev)->flags & node->flags & IRQF_SHARED)) {
- local_irq_restore(flags);
- return -EBUSY;
- }
- while (*prev)
- prev = &(*prev)->next;
- }
-
- if (!irq_list[irq]) {
- if (contr->irq_startup)
- contr->irq_startup(node);
- else
- contr->irq_enable(node);
- }
- node->next = NULL;
- *prev = node;
-
- local_irq_restore(flags);
-
- return 0;
-}
-
-int request_irq(unsigned int irq,
- irq_handler_t handler,
- unsigned long flags, const char *devname, void *dev_id)
-{
- struct irq_data *node;
- int res;
-
- node = new_irq_node();
- if (!node)
- return -ENOMEM;
-
- node->irq = irq;
- node->handler = handler;
- node->flags = flags;
- node->dev_id = dev_id;
- node->devname = devname;
-
- res = m68k_setup_irq(irq, node);
- if (res)
- node->handler = NULL;
-
- return res;
-}
-
-EXPORT_SYMBOL(request_irq);
-
-void free_irq(unsigned int irq, void *dev_id)
-{
- struct irq_chip *contr;
- struct irq_data **p, *node;
- unsigned long flags;
-
- if (irq >= NR_IRQS || !(contr = irq_chip[irq])) {
- printk("%s: Incorrect IRQ %d\n", __func__, irq);
- return;
- }
-
- local_irq_save(flags);
-
- p = irq_list + irq;
- while ((node = *p)) {
- if (node->dev_id == dev_id)
- break;
- p = &node->next;
- }
-
- if (node) {
- *p = node->next;
- node->handler = NULL;
- } else
- printk("%s: Removing probably wrong IRQ %d\n",
- __func__, irq);
-
- if (!irq_list[irq]) {
- if (contr->irq_shutdown)
- contr->irq_shutdown(node);
- else
- contr->irq_disable(node);
- }
-
- local_irq_restore(flags);
-}
-
-EXPORT_SYMBOL(free_irq);
-
-void enable_irq(unsigned int irq)
-{
- struct irq_chip *contr;
- unsigned long flags;
-
- if (irq >= NR_IRQS || !(contr = irq_chip[irq])) {
- printk("%s: Incorrect IRQ %d\n",
- __func__, irq);
- return;
- }
-
- local_irq_save(flags);
- if (irq_depth[irq]) {
- if (!--irq_depth[irq]) {
- if (contr->irq_enable)
- contr->irq_enable(irq_list[irq]);
- }
- } else
- WARN_ON(1);
- local_irq_restore(flags);
-}
-
-EXPORT_SYMBOL(enable_irq);
-
-void disable_irq(unsigned int irq)
-{
- struct irq_chip *contr;
- unsigned long flags;
-
- if (irq >= NR_IRQS || !(contr = irq_chip[irq])) {
- printk("%s: Incorrect IRQ %d\n",
- __func__, irq);
- return;
- }
-
- local_irq_save(flags);
- if (!irq_depth[irq]++) {
- if (contr->irq_disable)
- contr->irq_disable(irq_list[irq]);
- }
- local_irq_restore(flags);
-}
-
-EXPORT_SYMBOL(disable_irq);
-
-void disable_irq_nosync(unsigned int irq) __attribute__((alias("disable_irq")));
-
-EXPORT_SYMBOL(disable_irq_nosync);
-
-#endif /* !CONFIG_GENERIC_HARDIRQS */
-
unsigned int m68k_irq_startup_irq(unsigned int irq)
{
if (irq <= IRQ_AUTO_7)
@@ -377,36 +164,6 @@ void m68k_irq_shutdown(struct irq_data *data)
}
-#ifndef CONFIG_GENERIC_HARDIRQS
-
-/*
- * Do we need these probe functions on the m68k?
- *
- * ... may be useful with ISA devices
- */
-unsigned long probe_irq_on (void)
-{
-#ifdef CONFIG_Q40
- if (MACH_IS_Q40)
- return q40_probe_irq_on();
-#endif
- return 0;
-}
-
-EXPORT_SYMBOL(probe_irq_on);
-
-int probe_irq_off (unsigned long irqs)
-{
-#ifdef CONFIG_Q40
- if (MACH_IS_Q40)
- return q40_probe_irq_off(irqs);
-#endif
- return 0;
-}
-
-EXPORT_SYMBOL(probe_irq_off);
-#endif /* CONFIG_GENERIC_HARDIRQS */
-
unsigned int irq_canonicalize(unsigned int irq)
{
#ifdef CONFIG_Q40
@@ -418,63 +175,9 @@ unsigned int irq_canonicalize(unsigned int irq)
EXPORT_SYMBOL(irq_canonicalize);
-#ifndef CONFIG_GENERIC_HARDIRQS
-void generic_handle_irq(unsigned int irq)
-{
- struct irq_data *node;
- kstat_cpu(0).irqs[irq]++;
- node = irq_list[irq];
- do {
- node->handler(irq, node->dev_id);
- node = node->next;
- } while (node);
-}
-
-asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
-{
- struct pt_regs *old_regs;
- old_regs = set_irq_regs(regs);
- generic_handle_irq(irq);
- set_irq_regs(old_regs);
-}
-
-asmlinkage void handle_badint(struct pt_regs *regs)
-{
- kstat_cpu(0).irqs[0]++;
- printk("unexpected interrupt from %u\n", regs->vector);
-}
-
-int show_interrupts(struct seq_file *p, void *v)
-{
- struct irq_chip *contr;
- struct irq_data *node;
- int i = *(loff_t *) v;
-
- /* autovector interrupts */
- if (irq_list[i]) {
- contr = irq_chip[i];
- node = irq_list[i];
- seq_printf(p, "%-8s %3u: %10u %s", contr->name, i, kstat_cpu(0).irqs[i], node->devname);
- while ((node = node->next))
- seq_printf(p, ", %s", node->devname);
- seq_puts(p, "\n");
- }
- return 0;
-}
-
-#ifdef CONFIG_PROC_FS
-void init_irq_proc(void)
-{
- /* Insert /proc/irq driver here */
-}
-#endif
-
-#else /* CONFIG_GENERIC_HARDIRQS */
asmlinkage void handle_badint(struct pt_regs *regs)
{
atomic_inc(&irq_err_count);
pr_warn("unexpected interrupt from %u\n", regs->vector);
}
-
-#endif /* CONFIG_GENERIC_HARDIRQS */
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