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MIPS: Move IP30 timer to request_percpu_irq()

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Teach the SGI IP30 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@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://patch.msgid.link/20251210082242.360936-4-maz@kernel.org
This commit is contained in:
Marc Zyngier 2025-12-10 08:22:39 +00:00 • committed by Thomas Gleixner
parent e9b624ea31
commit a1eaca410a
3 changed files with 2 additions and 15 deletions
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1
arch/mips/include/asm/cevt-r4k.h
View file

@ -23,7 +23,6 @@ void mips_event_handler(struct clock_event_device *dev);
int c0_compare_int_usable(void);
irqreturn_t c0_compare_interrupt(int, void *);
extern struct irqaction c0_compare_irqaction;
extern int cp0_timer_irq_installed;
#endif /* __ASM_CEVT_R4K_H */

11
arch/mips/kernel/cevt-r4k.c
View file

@ -159,17 +159,6 @@ irqreturn_t c0_compare_interrupt(int irq, void *dev_id)
return IRQ_NONE;
}
struct irqaction c0_compare_irqaction = {
.handler = c0_compare_interrupt,
/*
* IRQF_SHARED: The timer interrupt may be shared with other interrupts
* such as perf counter and FDC interrupts.
*/
.flags = IRQF_PERCPU | IRQF_TIMER | IRQF_SHARED,
.name = "timer",
};
void mips_event_handler(struct clock_event_device *dev)
{
}

5
arch/mips/sgi-ip30/ip30-timer.c
View file

@ -52,11 +52,10 @@ void __init plat_time_init(void)
int irq = get_c0_compare_int();
cp0_timer_irq_installed = 1;
c0_compare_irqaction.percpu_dev_id = &mips_clockevent_device;
c0_compare_irqaction.flags &= ~IRQF_SHARED;
irq_set_handler(irq, handle_percpu_devid_irq);
irq_set_percpu_devid(irq);
setup_percpu_irq(irq, &c0_compare_irqaction);
WARN_ON(request_percpu_irq(irq, c0_compare_interrupt,
"timer", &mips_clockevent_device));
enable_percpu_irq(irq, IRQ_TYPE_NONE);
ip30_heart_clocksource_init();