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Diffstat (limited to 'arch/powerpc/sysdev/ipic.c')
-rw-r--r--arch/powerpc/sysdev/ipic.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index 69e2630c906..cb7689c4bfb 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -735,8 +735,10 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags)
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);
@@ -781,6 +783,9 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags)
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);