diff options
Diffstat (limited to 'arch/arm64/kernel/cpu_ops.c')
| -rw-r--r-- | arch/arm64/kernel/cpu_ops.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/arch/arm64/kernel/cpu_ops.c b/arch/arm64/kernel/cpu_ops.c index aa0c9e78dbe1..e2ba274612cf 100644 --- a/arch/arm64/kernel/cpu_ops.c +++ b/arch/arm64/kernel/cpu_ops.c @@ -78,22 +78,10 @@ int __init cpu_read_ops(struct device_node *dn, int cpu) void __init cpu_read_bootcpu_ops(void) { - struct device_node *dn = NULL; - u64 mpidr = cpu_logical_map(0); - - while ((dn = of_find_node_by_type(dn, "cpu"))) { - u64 hwid; - const __be32 *prop; - - prop = of_get_property(dn, "reg", NULL); - if (!prop) - continue; - - hwid = of_read_number(prop, of_n_addr_cells(dn)); - if (hwid == mpidr) { - cpu_read_ops(dn, 0); - of_node_put(dn); - return; - } + struct device_node *dn = of_get_cpu_node(0, NULL); + if (!dn) { + pr_err("Failed to find device node for boot cpu\n"); + return; } + cpu_read_ops(dn, 0); } |