linux-kernel - [PATCH 1/4] irqchip: riscv: Using CPUHP_AP_ONLINE

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Date:   Mon,  1 Mar 2021 14:28:19 +0000
From:   guoren@...nel.org
To:     guoren@...nel.org
Cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-csky@...r.kernel.org, linux-arch@...r.kernel.org,
        Guo Ren <guoren@...ux.alibaba.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Arnd Bergmann <arnd@...db.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Palmer Dabbelt <palmerdabbelt@...gle.com>,
        Anup Patel <anup.patel@....com>,
        Atish Patra <atish.patra@....com>,
        Christoph Hellwig <hch@....de>
Subject: [PATCH 1/4] irqchip: riscv: Using CPUHP_AP_ONLINE_DYN

From: Guo Ren <guoren@...ux.alibaba.com>

Remove RISC-V irqchip custom definitions in hotplug.h:
 - CPUHP_AP_IRQ_RISCV_STARTING
 - CPUHP_AP_IRQ_SIFIVE_PLIC_STARTING

For coding convention.

Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Palmer Dabbelt <palmerdabbelt@...gle.com>
Cc: Anup Patel <anup.patel@....com>
Cc: Atish Patra <atish.patra@....com>
Cc: Christoph Hellwig <hch@....de>
Tested-by: Guo Ren <guoren@...ux.alibaba.com>
Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
Link: https://lore.kernel.org/lkml/CAHk-=wjM+kCsKqNdb=c0hKsv=J7-3Q1zmM15vp6_=8S5XfGMtA@mail.gmail.com/
---
 drivers/irqchip/irq-riscv-intc.c  | 2 +-
 drivers/irqchip/irq-sifive-plic.c | 2 +-
 include/linux/cpuhotplug.h        | 2 --
 3 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/irqchip/irq-riscv-intc.c b/drivers/irqchip/irq-riscv-intc.c
index 8017f6d..2c37f3a 100644
--- a/drivers/irqchip/irq-riscv-intc.c
+++ b/drivers/irqchip/irq-riscv-intc.c
@@ -125,7 +125,7 @@ static int __init riscv_intc_init(struct device_node *node,
 		return rc;
 	}
 
-	cpuhp_setup_state(CPUHP_AP_IRQ_RISCV_STARTING,
+	cpuhp_setup_state(CPUHP_AP_ONLINE_DYN,
 			  "irqchip/riscv/intc:starting",
 			  riscv_intc_cpu_starting,
 			  riscv_intc_cpu_dying);
diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index 6f432d2..f499f1b 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -375,7 +375,7 @@ static int __init plic_init(struct device_node *node,
 	 */
 	handler = this_cpu_ptr(&plic_handlers);
 	if (handler->present && !plic_cpuhp_setup_done) {
-		cpuhp_setup_state(CPUHP_AP_IRQ_SIFIVE_PLIC_STARTING,
+		cpuhp_setup_state(CPUHP_AP_ONLINE_DYN,
 				  "irqchip/sifive/plic:starting",
 				  plic_starting_cpu, plic_dying_cpu);
 		plic_cpuhp_setup_done = true;
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index f14adb8..14f49fd 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -103,8 +103,6 @@ enum cpuhp_state {
 	CPUHP_AP_IRQ_ARMADA_XP_STARTING,
 	CPUHP_AP_IRQ_BCM2836_STARTING,
 	CPUHP_AP_IRQ_MIPS_GIC_STARTING,
-	CPUHP_AP_IRQ_RISCV_STARTING,
-	CPUHP_AP_IRQ_SIFIVE_PLIC_STARTING,
 	CPUHP_AP_ARM_MVEBU_COHERENCY,
 	CPUHP_AP_MICROCODE_LOADER,
 	CPUHP_AP_PERF_X86_AMD_UNCORE_STARTING,
-- 
2.7.4