diff options
| author | Rob Herring <robh@kernel.org> | 2021-10-06 19:43:30 +0300 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2021-10-20 21:37:24 +0300 |
| commit | 7688fa1025cda1463b091bf2212f2afa68ceb711 (patch) | |
| tree | 39c1b7dd4d38c7f366964b438c80be8c2c494489 /arch/x86/kernel/devicetree.c | |
| parent | ada03c68aad5ff9bd11186fa5fb794a482b966a2 (diff) | |
| download | linux-7688fa1025cda1463b091bf2212f2afa68ceb711.tar.xz | |
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: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211006164332.1981454-11-robh@kernel.org
Diffstat (limited to 'arch/x86/kernel/devicetree.c')
| -rw-r--r-- | arch/x86/kernel/devicetree.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c index 6a4cb71c2498..3aa1e99df2a9 100644 --- a/arch/x86/kernel/devicetree.c +++ b/arch/x86/kernel/devicetree.c @@ -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; } |