diff options
-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) | |||
78 | 78 | ||
79 | void __init cpu_read_bootcpu_ops(void) | 79 | void __init cpu_read_bootcpu_ops(void) |
80 | { | 80 | { |
81 | struct device_node *dn = NULL; | 81 | struct device_node *dn = of_get_cpu_node(0, NULL); |
82 | u64 mpidr = cpu_logical_map(0); | 82 | if (!dn) { |
83 | 83 | pr_err("Failed to find device node for boot cpu\n"); | |
84 | while ((dn = of_find_node_by_type(dn, "cpu"))) { | 84 | return; |
85 | u64 hwid; | ||
86 | const __be32 *prop; | ||
87 | |||
88 | prop = of_get_property(dn, "reg", NULL); | ||
89 | if (!prop) | ||
90 | continue; | ||
91 | |||
92 | hwid = of_read_number(prop, of_n_addr_cells(dn)); | ||
93 | if (hwid == mpidr) { | ||
94 | cpu_read_ops(dn, 0); | ||
95 | of_node_put(dn); | ||
96 | return; | ||
97 | } | ||
98 | } | 85 | } |
86 | cpu_read_ops(dn, 0); | ||
99 | } | 87 | } |