ipic->irqhost = irq_alloc_host(node, IRQ_HOST_MAP_LINEAR,
NR_IPIC_INTS,
&ipic_host_ops, 0);
- if (ipic->irqhost == NULL)
+ if (ipic->irqhost == NULL) {
+ kfree(ipic);
return NULL;
+ }
ipic->regs = ioremap(res.start, res.end - res.start + 1);
primary_ipic = ipic;
irq_set_default_host(primary_ipic->irqhost);
+ ipic_write(ipic->regs, IPIC_SIMSR_H, 0);
+ ipic_write(ipic->regs, IPIC_SIMSR_L, 0);
+
printk ("IPIC (%d IRQ sources) at %p\n", NR_IPIC_INTS,
primary_ipic->regs);