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ARM: Switch to irq_get_nr_irqs() / irq_set_nr_irqs()

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Use the irq_get_nr_irqs() and irq_set_nr_irqs() functions instead of the
global variable 'nr_irqs'. Prepare for changing 'nr_irqs' from an
exported global variable into a variable with file scope.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-3-bvanassche@acm.org
This commit is contained in:
Bart Van Assche 2024-10-15 12:09:33 -07:00 committed by Thomas Gleixner
parent 5280a14a60
commit bc033158a0
1 changed files with 2 additions and 3 deletions
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5
arch/arm/kernel/irq.c
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@ -111,7 +111,7 @@ void handle_IRQ(unsigned int irq, struct pt_regs *regs)
* Some hardware gives randomly wrong interrupts. Rather
* than crashing, do something sensible.
*/
if (unlikely(!irq || irq >= nr_irqs))
if (unlikely(!irq || irq >= irq_get_nr_irqs()))
desc = NULL;
else
desc = irq_to_desc(irq);
@ -151,7 +151,6 @@ void __init init_IRQ(void)
#ifdef CONFIG_SPARSE_IRQ
int __init arch_probe_nr_irqs(void)
{
nr_irqs = machine_desc->nr_irqs ? machine_desc->nr_irqs : NR_IRQS;
return nr_irqs;
return irq_set_nr_irqs(machine_desc->nr_irqs ? : NR_IRQS);
}
#endif