-/*
- * Removes an interrupt service routine from an interrupt source.
- */
-
-void mac_free_irq(unsigned int irq, void *dev_id)
-{
-#ifdef DEBUG_MACINTS
- printk ("%s: irq %d freed by %p\n", __FUNCTION__, irq, dev_id);
-#endif
-
- if (irq < VIA1_SOURCE_BASE) {
- return cpu_free_irq(irq, dev_id);
- }
-
- if (irq >= NUM_MAC_SOURCES) {
- printk ("%s: unknown irq %d freed\n",
- __FUNCTION__, irq);
- return;
- }
-
- mac_delete_irq(&mac_irq_list[irq], dev_id);
-
- /* If the list for this interrupt is */
- /* empty then disable the source. */
-
- if (!mac_irq_list[irq]) {
- mac_disable_irq(irq);
- }
-}
-
-/*
- * Generate a pretty listing for /proc/interrupts
- *
- * By the time we're called the autovector interrupt list has already been
- * generated, so we just need to do the machspec interrupts.
- *
- * 990506 (jmt) - rewritten to handle chained machspec interrupt handlers.
- * Also removed display of num_spurious it is already
- * displayed for us as autovector irq 0.
- */
-
-int show_mac_interrupts(struct seq_file *p, void *v)
-{
- int i;
- irq_node_t *node;
- char *base;
-
- /* Don't do Nubus interrupts in this loop; we do them separately */
- /* below so that we can print slot numbers instead of IRQ numbers */
-
- for (i = VIA1_SOURCE_BASE ; i < NUM_MAC_SOURCES ; ++i) {
-
- /* Nonexistant interrupt or nothing registered; skip it. */
-
- if ((node = mac_irq_list[i]) == NULL) continue;
- if (node->flags & IRQ_FLG_STD) continue;
-
- base = "";
- switch(IRQ_SRC(i)) {
- case 1: base = "via1";
- break;
- case 2: if (oss_present) {
- base = "oss";
- } else {
- base = "via2";
- }
- break;
- case 3:
- case 4:
- case 5:
- case 6: if (psc_present) {
- base = "psc";
- } else if (oss_present) {
- base = "oss";
- } else {
- if (IRQ_SRC(i) == 4) base = "scc";
- }
- break;
- case 7: base = "nbus";
- break;
- case 8: base = "bbn";
- break;
- }
- seq_printf(p, "%4s %2d: %10u ", base, i, kstat_cpu(0).irqs[i]);
-
- do {
- if (node->flags & IRQ_FLG_FAST) {
- seq_puts(p, "F ");
- } else if (node->flags & IRQ_FLG_SLOW) {
- seq_puts(p, "S ");
- } else {
- seq_puts(p, " ");
- }
- seq_printf(p, "%s\n", node->devname);
- if ((node = node->next)) {
- seq_puts(p, " ");
- }
- } while(node);
-
- }
- return 0;
-}
-
-void mac_default_handler(int irq, void *dev_id, struct pt_regs *regs)
-{
-#ifdef DEBUG_SPURIOUS
- printk("Unexpected IRQ %d on device %p\n", irq, dev_id);
-#endif
-}
-