linux-kernel - [PATCH 4/6] mips: Move IP27 timer to request_percpu

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Message-ID: <20251210082242.360936-5-maz@kernel.org>
Date: Wed, 10 Dec 2025 08:22:40 +0000
From: Marc Zyngier <maz@...nel.org>
To: linux-kernel@...r.kernel.org,
	linux-mips@...r.kernel.org
Cc: Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	Joshua Kinard <kumba@...too.org>
Subject: [PATCH 4/6] mips: Move IP27 timer to request_percpu_irq()

Teach the SGI IP27 timer about request_percpu_irq(), which ultimately
will allow for the removal of the antiquated setup_percpu_irq() API.

Signed-off-by: Marc Zyngier <maz@...nel.org>
---
 arch/mips/sgi-ip27/ip27-timer.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c
index 444b5e0e935f7..5f4da05cb2c9d 100644
--- a/arch/mips/sgi-ip27/ip27-timer.c
+++ b/arch/mips/sgi-ip27/ip27-timer.c
@@ -58,13 +58,6 @@ static irqreturn_t hub_rt_counter_handler(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-struct irqaction hub_rt_irqaction = {
-	.handler	= hub_rt_counter_handler,
-	.percpu_dev_id	= &hub_rt_clockevent,
-	.flags		= IRQF_PERCPU | IRQF_TIMER,
-	.name		= "hub-rt",
-};
-
 /*
  * This is a hack; we really need to figure these values out dynamically
  *
@@ -103,7 +96,8 @@ static void __init hub_rt_clock_event_global_init(void)
 {
 	irq_set_handler(IP27_RT_TIMER_IRQ, handle_percpu_devid_irq);
 	irq_set_percpu_devid(IP27_RT_TIMER_IRQ);
-	setup_percpu_irq(IP27_RT_TIMER_IRQ, &hub_rt_irqaction);
+	WARN_ON(request_percpu_irq(IP27_RT_TIMER_IRQ, hub_rt_counter_handler,
+				   "hub-rt", &hub_rt_clockevent));
 }
 
 static u64 hub_rt_read(struct clocksource *cs)
-- 
2.47.3