diff options
Diffstat (limited to 'arch/powerpc/platforms/powermac/feature.c')
| -rw-r--r-- | arch/powerpc/platforms/powermac/feature.c | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index 103fcc4c560..44f85507db3 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -1044,6 +1044,7 @@ core99_reset_cpu(struct device_node *node, long param, long value) unsigned long flags; struct macio_chip *macio; struct device_node *np; + struct device_node *cpus; const int dflt_reset_lines[] = { KL_GPIO_RESET_CPU0, KL_GPIO_RESET_CPU1, KL_GPIO_RESET_CPU2, @@ -1053,10 +1054,10 @@ core99_reset_cpu(struct device_node *node, long param, long value) if (macio->type != macio_keylargo) return -ENODEV; - np = find_path_device("/cpus"); - if (np == NULL) + cpus = of_find_node_by_path("/cpus"); + if (cpus == NULL) return -ENODEV; - for (np = np->child; np != NULL; np = np->sibling) { + for (np = cpus->child; np != NULL; np = np->sibling) { const u32 *num = of_get_property(np, "reg", NULL); const u32 *rst = of_get_property(np, "soft-reset", NULL); if (num == NULL || rst == NULL) @@ -1066,6 +1067,7 @@ core99_reset_cpu(struct device_node *node, long param, long value) break; } } + of_node_put(cpus); if (np == NULL || reset_io == 0) reset_io = dflt_reset_lines[param]; @@ -1497,15 +1499,16 @@ static long g5_reset_cpu(struct device_node *node, long param, long value) unsigned long flags; struct macio_chip *macio; struct device_node *np; + struct device_node *cpus; macio = &macio_chips[0]; if (macio->type != macio_keylargo2 && macio->type != macio_shasta) return -ENODEV; - np = find_path_device("/cpus"); - if (np == NULL) + cpus = of_find_node_by_path("/cpus"); + if (cpus == NULL) return -ENODEV; - for (np = np->child; np != NULL; np = np->sibling) { + for (np = cpus->child; np != NULL; np = np->sibling) { const u32 *num = of_get_property(np, "reg", NULL); const u32 *rst = of_get_property(np, "soft-reset", NULL); if (num == NULL || rst == NULL) @@ -1515,6 +1518,7 @@ static long g5_reset_cpu(struct device_node *node, long param, long value) break; } } + of_node_put(cpus); if (np == NULL || reset_io == 0) return -ENODEV; @@ -2499,18 +2503,26 @@ found: * that all Apple OF revs did it properly, I do it the paranoid way. */ while (uninorth_base && uninorth_rev > 3) { - struct device_node *np = find_path_device("/cpus"); - if (!np || !np->child) { + struct device_node *cpus = of_find_node_by_path("/cpus"); + struct device_node *np; + + if (!cpus || !cpus->child) { printk(KERN_WARNING "Can't find CPU(s) in device tree !\n"); + of_node_put(cpus); break; } - np = np->child; + np = cpus->child; /* Nap mode not supported on SMP */ - if (np->sibling) + if (np->sibling) { + of_node_put(cpus); break; + } /* Nap mode not supported if flush-on-lock property is present */ - if (of_get_property(np, "flush-on-lock", NULL)) + if (of_get_property(np, "flush-on-lock", NULL)) { + of_node_put(cpus); break; + } + of_node_put(cpus); powersave_nap = 1; printk(KERN_DEBUG "Processor NAP mode on idle enabled.\n"); break; |