linux-kernel - [PATCH] irqchip/irq-sifive-plic: Use for_each_present_cpu() instead of for_each

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Message-ID: <20250811064701.2906-1-wangfushuai@baidu.com>
Date: Mon, 11 Aug 2025 14:47:01 +0800
From: Fushuai Wang <wangfushuai@...du.com>
To: <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
CC: <samuel.holland@...ive.com>, <paul.walmsley@...ive.com>,
	<tglx@...utronix.de>, Fushuai Wang <wangfushuai@...du.com>
Subject: [PATCH] irqchip/irq-sifive-plic: Use for_each_present_cpu() instead of for_each_cpu()

Replace the opencoded for_each_cpu(cpu, cpu_present_mask) loop with the
more readable and equivalent for_each_present_cpu(cpu) macro.

Signed-off-by: Fushuai Wang <wangfushuai@...du.com>
---
 drivers/irqchip/irq-sifive-plic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index bf69a4802b71..3de54606b8f8 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -257,7 +257,7 @@ static int plic_irq_suspend(void)
 			     readl(priv->regs + PRIORITY_BASE + i * PRIORITY_PER_ID));
 	}
 
-	for_each_cpu(cpu, cpu_present_mask) {
+	for_each_present_cpu(cpu) {
 		struct plic_handler *handler = per_cpu_ptr(&plic_handlers, cpu);
 
 		if (!handler->present)
@@ -289,7 +289,7 @@ static void plic_irq_resume(void)
 		       priv->regs + PRIORITY_BASE + i * PRIORITY_PER_ID);
 	}
 
-	for_each_cpu(cpu, cpu_present_mask) {
+	for_each_present_cpu(cpu) {
 		struct plic_handler *handler = per_cpu_ptr(&plic_handlers, cpu);
 
 		if (!handler->present)
-- 
2.36.1