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Message-ID: <20241015190953.1266194-3-bvanassche@acm.org>
Date: Tue, 15 Oct 2024 12:09:33 -0700
From: Bart Van Assche <bvanassche@....org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Russell King <linux@...linux.org.uk>,
linux-kernel@...r.kernel.org,
Bart Van Assche <bvanassche@....org>
Subject: [PATCH v3 02/22] ARM: Switch to irq_get_nr_irqs() / irq_set_nr_irqs()
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.
Cc: Russell King <linux@...linux.org.uk>
Signed-off-by: Bart Van Assche <bvanassche@....org>
---
arch/arm/kernel/irq.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index dab42d066d06..e1993e28a9ec 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -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
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