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powerpc: Rework ipic_init() so we can avoid freeing the irq_host

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If we do the call to of_address_to_resource() first, then we don't
need to worry about freeing the irq_host (which the code doesn't do
currently anyway).

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Michael Ellerman 2008-05-26 12:12:30 +10:00 committed by Paul Mackerras
parent 997526db9f
commit 84f1c1e089
1 changed files with 4 additions and 6 deletions
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10
arch/powerpc/sysdev/ipic.c
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@ -725,6 +725,10 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags)
struct resource res;
u32 temp = 0, ret;
ret = of_address_to_resource(node, 0, &res);
if (ret)
return NULL;
ipic = alloc_bootmem(sizeof(struct ipic));
if (ipic == NULL)
return NULL;
@ -739,12 +743,6 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags)
return NULL;
}
ret = of_address_to_resource(node, 0, &res);
if (ret) {
of_node_put(node);
return NULL;
}
ipic->regs = ioremap(res.start, res.end - res.start + 1);
ipic->irqhost->host_data = ipic;