[PATCH 07/12] powerpc: Use of_get_cpu_hwid()

Rob Herring
2021-10-06T16:43:58Z

Replace open coded parsing of CPU nodes' 'reg' property with
of_get_cpu_hwid().

Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Rob Herring <robh@kernel.org>
---
arch/powerpc/kernel/smp.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 9cc7d3dbf439..d96b0e361a73 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -1313,18 +1313,13 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle)
int cpu_to_core_id(int cpu)
{
struct device_node *np;
- const __be32 *reg;
int id = -1;

np = of_get_cpu_node(cpu, NULL);
if (!np)
goto out;

- reg = of_get_property(np, "reg", NULL);
- if (!reg)
- goto out;
-
- id = be32_to_cpup(reg);
+ id = of_get_cpu_hwid(np, 0);
out:
of_node_put(np);
return id;
--
2.30.2