linux-kernel - [PATCH 2/2] ARM: 9322/1: Convert to arch_cpu_is

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Date: Tue, 2 Jul 2024 14:59:06 +0800
From: Jinjie Ruan <ruanjinjie@...wei.com>
To: <linux@...linux.org.uk>, <arnd@...db.de>, <afd@...com>,
	<akpm@...ux-foundation.org>, <linus.walleij@...aro.org>,
	<eric.devolder@...cle.com>, <ardb@...nel.org>, <gregkh@...uxfoundation.org>,
	<deller@....de>, <javierm@...hat.com>, <bhe@...hat.com>, <robh@...nel.org>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>
CC: <ruanjinjie@...wei.com>
Subject: [PATCH 2/2] ARM: 9322/1: Convert to arch_cpu_is_hotpluggable()

Convert arm32 to use the arch_cpu_is_hotpluggable() helper rather than
arch_register_cpu().

Signed-off-by: Jinjie Ruan <ruanjinjie@...wei.com>
---
 arch/arm/kernel/setup.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index f91e2b5b8b20..e6a857bf0ce6 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -1201,12 +1201,9 @@ void __init setup_arch(char **cmdline_p)
 		mdesc->init_early();
 }
 
-int arch_register_cpu(int num)
+bool arch_cpu_is_hotpluggable(int num)
 {
-	struct cpu *cpu = &per_cpu(cpu_devices, num);
-
-	cpu->hotpluggable = platform_can_hotplug_cpu(num);
-	return register_cpu(cpu, num);
+	return platform_can_hotplug_cpu(num);
 }
 
 #ifdef CONFIG_HAVE_PROC_CPU
-- 
2.34.1