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| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2018-01-02 11:25:30 +0000 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2018-01-02 16:43:12 +0000 |
| commit | 52cac1103af3283c7e4386b796da9cc92c3320e0 (patch) | |
| tree | 361e1ae7fdc3a1702e4a99b86728a39e13437610 | |
| parent | c08ec7da75f393c0dbaba9455f4f6b2a5e709355 (diff) | |
| download | linux-52cac1103af3283c7e4386b796da9cc92c3320e0.tar.gz | |
arm64: Use of_cpu_node_to_id helper for CPU topology parsing
Make use of the new generic helper to convert an of_node of a CPU to the logical CPU id in parsing the topology. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Will Deacon <will.deacon@arm.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
| -rw-r--r-- | arch/arm64/kernel/topology.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c index 8d48b233e6ce..21868530018e 100644 --- a/arch/arm64/kernel/topology.c +++ b/arch/arm64/kernel/topology.c @@ -37,18 +37,14 @@ static int __init get_cpu_for_node(struct device_node *node) if (!cpu_node) return -1; - for_each_possible_cpu(cpu) { - if (of_get_cpu_node(cpu, NULL) == cpu_node) { - topology_parse_cpu_capacity(cpu_node, cpu); - of_node_put(cpu_node); - return cpu; - } - } - - pr_crit("Unable to find CPU node for %pOF\n", cpu_node); + cpu = of_cpu_node_to_id(cpu_node); + if (cpu >= 0) + topology_parse_cpu_capacity(cpu_node, cpu); + else + pr_crit("Unable to find CPU node for %pOF\n", cpu_node); of_node_put(cpu_node); - return -1; + return cpu; } static int __init parse_core(struct device_node *core, int cluster_id, |