Commit 7688fa10 authored by Rob Herring's avatar Rob Herring
Browse files

x86: dt: Use of_get_cpu_hwid() 



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

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: x86@kernel.org
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211006164332.1981454-11-robh@kernel.org
parent ada03c68

arch/x86/kernel/devicetree.c

+2 −3
Original line number Diff line number Diff line
@@ -139,12 +139,11 @@ static void __init dtb_cpu_setup(void) 
{

	struct device_node *dn;

	u32 apic_id, version;

	int ret;



	version = GET_APIC_VERSION(apic_read(APIC_LVR));

	for_each_of_cpu_node(dn) {

		ret = of_property_read_u32(dn, "reg", &apic_id);

		if (ret < 0) {

		apic_id = of_get_cpu_hwid(dn, 0);

		if (apic_id == ~0U) {

			pr_warn("%pOF: missing local APIC ID\n", dn);

			continue;

		}