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powerpc/numa: Remove redundant find_cpu_node()

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Use of_get_cpu_node, which is a superset of numa.c's find_cpu_node in
a less restrictive section (text vs cpuinit).

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Milton Miller 2009-01-08 02:19:45 +00:00 committed by Benjamin Herrenschmidt
parent 20fcefe5a0
commit 8b16cd238d
1 changed files with 2 additions and 31 deletions
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33
arch/powerpc/mm/numa.c
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@ -157,35 +157,6 @@ static void unmap_cpu_from_node(unsigned long cpu)
} }
#endif /* CONFIG_HOTPLUG_CPU */ #endif /* CONFIG_HOTPLUG_CPU */
static struct device_node * __cpuinit find_cpu_node(unsigned int cpu)
{
unsigned int hw_cpuid = get_hard_smp_processor_id(cpu);
struct device_node *cpu_node = NULL;
const unsigned int *interrupt_server, *reg;
int len;
while ((cpu_node = of_find_node_by_type(cpu_node, "cpu")) != NULL) {
/* Try interrupt server first */
interrupt_server = of_get_property(cpu_node,
"ibm,ppc-interrupt-server#s", &len);
len = len / sizeof(u32);
if (interrupt_server && (len > 0)) {
while (len--) {
if (interrupt_server[len] == hw_cpuid)
return cpu_node;
}
} else {
reg = of_get_property(cpu_node, "reg", &len);
if (reg && (len > 0) && (reg[0] == hw_cpuid))
return cpu_node;
}
}
return NULL;
}
/* must hold reference to node during call */ /* must hold reference to node during call */
static const int *of_get_associativity(struct device_node *dev) static const int *of_get_associativity(struct device_node *dev)
{ {
@ -469,7 +440,7 @@ static int of_drconf_to_nid_single(struct of_drconf_cell *drmem,
static int __cpuinit numa_setup_cpu(unsigned long lcpu) static int __cpuinit numa_setup_cpu(unsigned long lcpu)
{ {
int nid = 0; int nid = 0;
struct device_node *cpu = find_cpu_node(lcpu); struct device_node *cpu = of_get_cpu_node(lcpu, NULL);
if (!cpu) { if (!cpu) {
WARN_ON(1); WARN_ON(1);
@ -651,7 +622,7 @@ static int __init parse_numa_properties(void)
for_each_present_cpu(i) { for_each_present_cpu(i) {
int nid; int nid;
cpu = find_cpu_node(i); cpu = of_get_cpu_node(i, NULL);
BUG_ON(!cpu); BUG_ON(!cpu);
nid = of_node_to_nid_single(cpu); nid = of_node_to_nid_single(cpu);
of_node_put(cpu); of_node_put(cpu);