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| author | Jeff Garzik <jgarzik@pretzel.yyz.us> | 2005-06-26 23:42:30 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-26 23:42:30 -0400 |
| commit | f45727d52d1581e9ff4df9d1a12a60789ad2d1eb (patch) | |
| tree | 773ae25f98542e6d382c688f7e85e8137d065614 /arch/ppc64/kernel/prom.c | |
| parent | 4c925f452cfd16c690209e96821ee094e09a2404 (diff) | |
| parent | 5696c1944a33b4434a9a1ebb6383b906afd43a10 (diff) | |
Merge /spare/repo/netdev-2.6/ branch 'ieee80211'
Diffstat (limited to 'arch/ppc64/kernel/prom.c')
| -rw-r--r-- | arch/ppc64/kernel/prom.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/ppc64/kernel/prom.c b/arch/ppc64/kernel/prom.c index eb6538b58008..47727a6f7346 100644 --- a/arch/ppc64/kernel/prom.c +++ b/arch/ppc64/kernel/prom.c @@ -884,6 +884,7 @@ static int __init early_init_dt_scan_cpus(unsigned long node, { char *type = get_flat_dt_prop(node, "device_type", NULL); u32 *prop; + unsigned long size; /* We are scanning "cpu" nodes only */ if (type == NULL || strcmp(type, "cpu") != 0) @@ -929,6 +930,17 @@ static int __init early_init_dt_scan_cpus(unsigned long node, cur_cpu_spec->cpu_user_features |= PPC_FEATURE_HAS_ALTIVEC; } + /* + * Check for an SMT capable CPU and set the CPU feature. We do + * this by looking at the size of the ibm,ppc-interrupt-server#s + * property + */ + prop = (u32 *)get_flat_dt_prop(node, "ibm,ppc-interrupt-server#s", + &size); + cur_cpu_spec->cpu_features &= ~CPU_FTR_SMT; + if (prop && ((size / sizeof(u32)) > 1)) + cur_cpu_spec->cpu_features |= CPU_FTR_SMT; + return 0; } |