diff options
Diffstat (limited to 'arch/hexagon/kernel/topology.c')
| -rw-r--r-- | arch/hexagon/kernel/topology.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/hexagon/kernel/topology.c b/arch/hexagon/kernel/topology.c new file mode 100644 index 00000000000..ba447518443 --- /dev/null +++ b/arch/hexagon/kernel/topology.c @@ -0,0 +1,52 @@ +/* + * CPU topology for Hexagon + * + * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include <linux/cpu.h> +#include <linux/cpumask.h> +#include <linux/init.h> +#include <linux/node.h> +#include <linux/nodemask.h> +#include <linux/percpu.h> + +/* Swiped from MIPS. */ + +static DEFINE_PER_CPU(struct cpu, cpu_devices); + +static int __init topology_init(void) +{ + int i, ret; + + for_each_present_cpu(i) { + + /* + * register_cpu takes a per_cpu pointer and + * just points it at another per_cpu struct... + */ + + ret = register_cpu(&per_cpu(cpu_devices, i), i); + if (ret) + printk(KERN_WARNING "topology_init: register_cpu %d " + "failed (%d)\n", i, ret); + } + + return 0; +} + +subsys_initcall(topology_init); |