Commit 41408b22 authored by Rob Herring's avatar Rob Herring
Browse files

powerpc: Use of_get_cpu_hwid() 



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: default avatarRob Herring <robh@kernel.org>
Acked-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211006164332.1981454-8-robh@kernel.org
parent 4e0fa9ee

arch/powerpc/kernel/smp.c

+1 −6
Original line number Diff line number Diff line
@@ -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;